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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1511.06816 | Allen Stern | A. Chaney, Lei Lu and A. Stern | Matrix Model Approach to Cosmology | 42 pages, 6 figures, reference added | Phys. Rev. D 93, 064074 (2016) | 10.1103/PhysRevD.93.064074 | null | hep-th gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We perform a systematic search for rotationally invariant cosmological
solutions to matrix models, or more specifically the bosonic sector of
Lorentzian IKKT-type matrix models, in dimensions $d$ less than ten,
specifically $d=3$ and $d=5$. After taking a continuum (or commutative) limit
they yield $d-1$ dimensional ... | [
{
"created": "Sat, 21 Nov 2015 02:03:42 GMT",
"version": "v1"
},
{
"created": "Sun, 29 Nov 2015 22:44:12 GMT",
"version": "v2"
}
] | 2016-04-06 | [
[
"Chaney",
"A.",
""
],
[
"Lu",
"Lei",
""
],
[
"Stern",
"A.",
""
]
] | We perform a systematic search for rotationally invariant cosmological solutions to matrix models, or more specifically the bosonic sector of Lorentzian IKKT-type matrix models, in dimensions $d$ less than ten, specifically $d=3$ and $d=5$. After taking a continuum (or commutative) limit they yield $d-1$ dimensional sp... |
hep-th/9405056 | Bumsig Kim | Bumsig Kim | Quantum Cohomology of Partial Flag Manifolds and a Residue Formula for
Their Intersection Parings | 13 pages | null | null | null | hep-th math.QA | null | As a generalization of our previous paper [GK], we formulate a residue
formula and some simple behaviors of equivariant quantum cohomology applying to
compute the quantum cohomology of partial flag manifolds $F_{k_1,\cdots , k_l}
$with a try to give a rigorous definition of equivariant quantum cohomology.
| [
{
"created": "Tue, 10 May 1994 03:44:28 GMT",
"version": "v1"
},
{
"created": "Tue, 18 Oct 1994 23:23:22 GMT",
"version": "v2"
}
] | 2008-02-03 | [
[
"Kim",
"Bumsig",
""
]
] | As a generalization of our previous paper [GK], we formulate a residue formula and some simple behaviors of equivariant quantum cohomology applying to compute the quantum cohomology of partial flag manifolds $F_{k_1,\cdots , k_l} $with a try to give a rigorous definition of equivariant quantum cohomology. |
1812.05368 | John Gracey | J.A. Gracey | Large $N_f$ quantum field theory | 62 latex pages, 22 figures; invited review article | null | 10.1142/S0217751X18300326 | LTH 1189 | hep-th cond-mat.str-el | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We review the development of the large $N$ method, where $N$ indicates the
number of flavours, used to study perturbative and nonperturbative properties
of quantum field theories. The relevant historical background is summarized as
a prelude to the introduction of the large $N$ critical point formalism. This
is used ... | [
{
"created": "Thu, 13 Dec 2018 11:31:31 GMT",
"version": "v1"
}
] | 2019-01-30 | [
[
"Gracey",
"J. A.",
""
]
] | We review the development of the large $N$ method, where $N$ indicates the number of flavours, used to study perturbative and nonperturbative properties of quantum field theories. The relevant historical background is summarized as a prelude to the introduction of the large $N$ critical point formalism. This is used to... |
1805.07611 | Borut Bajc | Steven Abel, Borut Bajc and Francesco Sannino | Dual RG flows in 4D | 20 pages, 7 figures, typos corrected, explanations and one reference
added, final running presented for 3 different initial values | Phys. Rev. D 99, 065001 (2019) | 10.1103/PhysRevD.99.065001 | IPPP/18/35 , CP3-Origins-2018-019 DNRF90 | hep-th hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a prescription for using the a central charge to determine the
flow of a strongly coupled supersymmetric theory from its weakly coupled dual.
The approach is based on the equivalence of the scale-dependent a-parameter
derived from the four-dilaton amplitude with the a-parameter determined from
the Lagrange... | [
{
"created": "Sat, 19 May 2018 15:33:35 GMT",
"version": "v1"
},
{
"created": "Wed, 6 Mar 2019 16:32:36 GMT",
"version": "v2"
}
] | 2019-03-13 | [
[
"Abel",
"Steven",
""
],
[
"Bajc",
"Borut",
""
],
[
"Sannino",
"Francesco",
""
]
] | We present a prescription for using the a central charge to determine the flow of a strongly coupled supersymmetric theory from its weakly coupled dual. The approach is based on the equivalence of the scale-dependent a-parameter derived from the four-dilaton amplitude with the a-parameter determined from the Lagrange m... |
hep-th/0701226 | Ahmad Sheykhi | N. Riazi and A. Sheykhi | Boundary Conditions in Stepwise Sine-Gordon Equation and Multi-Soliton
Solutions | 14 pages, 8 figures | Phys.Rev.D74:025003,2006 | 10.1103/PhysRevD.74.025003 | null | hep-th | null | We study the stepwise sine-Gordon equation, in which the system parameter is
different for positive and negative values of the scalar field. By applying
appropriate boundary conditions, we derive relations between the soliton
velocities before and after collisions. We investigate the possibility of
formation of heavy... | [
{
"created": "Wed, 24 Jan 2007 14:16:09 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Riazi",
"N.",
""
],
[
"Sheykhi",
"A.",
""
]
] | We study the stepwise sine-Gordon equation, in which the system parameter is different for positive and negative values of the scalar field. By applying appropriate boundary conditions, we derive relations between the soliton velocities before and after collisions. We investigate the possibility of formation of heavy s... |
hep-th/9806094 | Paul S. Aspinwall | Paul S. Aspinwall and Ron Y. Donagi | The Heterotic String, the Tangent Bundle, and Derived Categories | 34 pages, 3 figures (published version) | Adv.Theor.Math.Phys.2:1041-1074,1998 | null | DUKE-CGTP-98-04 | hep-th math.AG | null | We consider the compactification of the E8xE8 heterotic string on a K3
surface with "the spin connection embedded in the gauge group" and the dual
picture in the type IIA string (or F-theory) on a Calabi-Yau threefold X. It
turns out that the same X arises also as dual to a heterotic compactification
on 24 point-like... | [
{
"created": "Thu, 11 Jun 1998 21:38:56 GMT",
"version": "v1"
},
{
"created": "Fri, 12 Jun 1998 01:32:40 GMT",
"version": "v2"
},
{
"created": "Tue, 30 Mar 1999 16:00:33 GMT",
"version": "v3"
}
] | 2008-11-26 | [
[
"Aspinwall",
"Paul S.",
""
],
[
"Donagi",
"Ron Y.",
""
]
] | We consider the compactification of the E8xE8 heterotic string on a K3 surface with "the spin connection embedded in the gauge group" and the dual picture in the type IIA string (or F-theory) on a Calabi-Yau threefold X. It turns out that the same X arises also as dual to a heterotic compactification on 24 point-like i... |
hep-th/0509071 | Alin Tirziu | J.A. Minahan, A. Tirziu and A.A. Tseytlin | 1/J corrections to semiclassical AdS/CFT states from quantum
Landau-Lifshitz model | 52 pages, references added | Nucl.Phys.B735:127-171,2006 | 10.1016/j.nuclphysb.2005.12.003 | null | hep-th | null | One way to relate semiclassical string states and dual gauge theory states is
to show the equivalence between their low-energy effective 2d actions. The
gauge theory effective action, which is represented by an effective
Landau-Lifshitz (LL) model, was previously found to match with the string
theory world-sheet acti... | [
{
"created": "Fri, 9 Sep 2005 19:37:34 GMT",
"version": "v1"
},
{
"created": "Sun, 11 Sep 2005 03:18:42 GMT",
"version": "v2"
},
{
"created": "Wed, 14 Sep 2005 19:13:17 GMT",
"version": "v3"
},
{
"created": "Sun, 18 Sep 2005 21:45:34 GMT",
"version": "v4"
}
] | 2009-09-17 | [
[
"Minahan",
"J. A.",
""
],
[
"Tirziu",
"A.",
""
],
[
"Tseytlin",
"A. A.",
""
]
] | One way to relate semiclassical string states and dual gauge theory states is to show the equivalence between their low-energy effective 2d actions. The gauge theory effective action, which is represented by an effective Landau-Lifshitz (LL) model, was previously found to match with the string theory world-sheet action... |
1509.05989 | D. J. Toms | David J. Toms | Quantization of the minimal and non-minimal vector field in curved space | null | null | null | null | hep-th gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The local momentum space method is used to study the quantized massive vector
field (the Proca field) with the possible addition of non-minimal terms. Heat
kernel coefficients are calculated and used to evaluate the divergent part of
the one-loop effective action. It is shown that the naive expression for the
effecti... | [
{
"created": "Sun, 20 Sep 2015 09:56:33 GMT",
"version": "v1"
}
] | 2015-09-22 | [
[
"Toms",
"David J.",
""
]
] | The local momentum space method is used to study the quantized massive vector field (the Proca field) with the possible addition of non-minimal terms. Heat kernel coefficients are calculated and used to evaluate the divergent part of the one-loop effective action. It is shown that the naive expression for the effective... |
1208.0821 | Akitsugu Miwa | Takayuki Enari and Akitsugu Miwa | Semi-classical correlator for 1/4 BPS Wilson loop and chiral primary
operator with large R-charge | 19 pages, 7 figures, confusing point clarified in subsection 3.5,
reference added, minor corrections | null | 10.1103/PhysRevD.86.106004 | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study a holographic description for correlation function of 1/4 BPS Wilson
loop operator and 1/2 BPS local operator carrying a large R-charge of order
\sqrt \lambda. We construct a rotating string solution which is extended in S5
as well as in AdS5. The string solution preserves the 1/8 of the supersymmetry
as exp... | [
{
"created": "Fri, 3 Aug 2012 19:42:27 GMT",
"version": "v1"
},
{
"created": "Fri, 10 Aug 2012 15:01:36 GMT",
"version": "v2"
},
{
"created": "Fri, 17 Aug 2012 14:02:01 GMT",
"version": "v3"
}
] | 2015-06-11 | [
[
"Enari",
"Takayuki",
""
],
[
"Miwa",
"Akitsugu",
""
]
] | We study a holographic description for correlation function of 1/4 BPS Wilson loop operator and 1/2 BPS local operator carrying a large R-charge of order \sqrt \lambda. We construct a rotating string solution which is extended in S5 as well as in AdS5. The string solution preserves the 1/8 of the supersymmetry as expec... |
0805.0163 | Antony Valentini | Antony Valentini | Inflationary Cosmology as a Probe of Primordial Quantum Mechanics | 44 pages. Minor changes in v2 | Phys.Rev.D82:063513,2010 | 10.1103/PhysRevD.82.063513 | null | hep-th astro-ph quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show that inflationary cosmology may be used to test the statistical
predictions of quantum theory at very short distances and at very early times.
Hidden-variables theories, such as the pilot-wave theory of de Broglie and
Bohm, allow the existence of vacuum states with non-standard field fluctuations
('quantum no... | [
{
"created": "Thu, 1 May 2008 23:38:03 GMT",
"version": "v1"
},
{
"created": "Thu, 9 Sep 2010 19:14:06 GMT",
"version": "v2"
}
] | 2014-11-18 | [
[
"Valentini",
"Antony",
""
]
] | We show that inflationary cosmology may be used to test the statistical predictions of quantum theory at very short distances and at very early times. Hidden-variables theories, such as the pilot-wave theory of de Broglie and Bohm, allow the existence of vacuum states with non-standard field fluctuations ('quantum none... |
hep-th/0412039 | J. Gheerardyn | Jos Gheerardyn | New aspects of N=2 theories | 8 pages; contribution to the proceedings of the EC-RTN Workshop 'The
quantum structure of spacetime and the geometric nature of fundamental
interactions', Kolymbari, Crete, 5-10/9/2004 | Fortsch.Phys. 53 (2005) 879-884 | 10.1002/prop.200410211 | null | hep-th | null | We review some recent observations in theories with eight supercharges. We
point out that such theories can be generalized by starting from the equations
of motion rather than from an action. We show that vector multiplets
constructed in such a way can have more general Fayet-Iliopoulos terms and that
the scalar fiel... | [
{
"created": "Fri, 3 Dec 2004 14:45:52 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Gheerardyn",
"Jos",
""
]
] | We review some recent observations in theories with eight supercharges. We point out that such theories can be generalized by starting from the equations of motion rather than from an action. We show that vector multiplets constructed in such a way can have more general Fayet-Iliopoulos terms and that the scalar fields... |
1205.2675 | Yasunori Nomura | Yasunori Nomura | Quantum Mechanics, Gravity, and the Multiverse | 18 pages, 6 figures. An article published in the Astronomical Review,
based on talks given by the author at various institutions. v2: a note added | AstRv. 7, 36 (2012) | null | UCB-PTH-12/04 | hep-th astro-ph.CO gr-qc hep-ph quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The discovery of accelerating expansion of the universe has led us to take
the dramatic view that our universe may be one of the many universes in which
low energy physical laws take different forms: the multiverse. I explain
why/how this view is supported both observationally and theoretically,
especially by string ... | [
{
"created": "Fri, 11 May 2012 19:40:07 GMT",
"version": "v1"
},
{
"created": "Mon, 30 Jul 2012 04:25:59 GMT",
"version": "v2"
}
] | 2012-07-31 | [
[
"Nomura",
"Yasunori",
""
]
] | The discovery of accelerating expansion of the universe has led us to take the dramatic view that our universe may be one of the many universes in which low energy physical laws take different forms: the multiverse. I explain why/how this view is supported both observationally and theoretically, especially by string th... |
2209.05249 | Dionisio Bazeia | D. Bazeia, M.A. Marques, M. Paganelly | Electrically charged multi-field configurations | 13 pages, 20 figures | Eur. Phys. J. C 82 (2022) 1036 | 10.1140/epjc/s10052-022-11021-5 | null | hep-th cond-mat.mtrl-sci gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work we investigate the presence of electrically charged structures
that are localized in two and three spatial dimensions. We use the
Maxwell-scalar Lagrangian to describe several systems with distinct
interactions for the scalar fields. The procedure relies on finding first order
differential equations that... | [
{
"created": "Mon, 12 Sep 2022 13:47:47 GMT",
"version": "v1"
}
] | 2022-11-21 | [
[
"Bazeia",
"D.",
""
],
[
"Marques",
"M. A.",
""
],
[
"Paganelly",
"M.",
""
]
] | In this work we investigate the presence of electrically charged structures that are localized in two and three spatial dimensions. We use the Maxwell-scalar Lagrangian to describe several systems with distinct interactions for the scalar fields. The procedure relies on finding first order differential equations that s... |
1404.0941 | Rodrigo Bufalo Santos | R. Bufalo, T.R. Cardoso, and B.M. Pimentel | K\"all\'en-Lehmann representation of noncommutative quantum
electrodynamics | null | Physical Review D 89 085010 (2014) | 10.1103/PhysRevD.89.085010 | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Noncommutative (NC) quantum field theory is the subject of many analyses on
formal and general aspects looking for deviations and, therefore, potential
noncommutative spacetime effects. Within of this large class, we may now pay
some attention to the quantization of NC field theory on lower dimensions and
look closel... | [
{
"created": "Thu, 3 Apr 2014 14:46:02 GMT",
"version": "v1"
}
] | 2014-04-04 | [
[
"Bufalo",
"R.",
""
],
[
"Cardoso",
"T. R.",
""
],
[
"Pimentel",
"B. M.",
""
]
] | Noncommutative (NC) quantum field theory is the subject of many analyses on formal and general aspects looking for deviations and, therefore, potential noncommutative spacetime effects. Within of this large class, we may now pay some attention to the quantization of NC field theory on lower dimensions and look closely ... |
hep-th/0103160 | Fan Wang | Wei-Min Sun, Xiang-Song Chen and Fan Wang | A Note on Functional Integral over the Local Gauge Group | 7 pages, Revtex | null | null | null | hep-th | null | We evaluated some particular type of functional integral over the local gauge
group C^{\infty}({\bf R}^n, U(1)) by going to a discretized lattice. The
results explicitly violates the property of the Haar measure. We also analysed
the Faddeev-Popov method through a toy example. The results also violates the
property o... | [
{
"created": "Tue, 20 Mar 2001 10:26:47 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Sun",
"Wei-Min",
""
],
[
"Chen",
"Xiang-Song",
""
],
[
"Wang",
"Fan",
""
]
] | We evaluated some particular type of functional integral over the local gauge group C^{\infty}({\bf R}^n, U(1)) by going to a discretized lattice. The results explicitly violates the property of the Haar measure. We also analysed the Faddeev-Popov method through a toy example. The results also violates the property of ... |
1007.2194 | Amir-Kian Kashani-Poor | Bertrand Eynard, Amir-Kian Kashani-Poor, Olivier Marchal | A matrix model for the topological string II: The spectral curve and
mirror geometry | 1+37 pages | null | 10.1007/s00023-012-0184-x | null | hep-th math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In a previous paper, we presented a matrix model reproducing the topological
string partition function on an arbitrary given toric Calabi-Yau manifold.
Here, we study the spectral curve of our matrix model and thus derive, upon
imposing certain minimality assumptions on the spectral curve, the large volume
limit of t... | [
{
"created": "Tue, 13 Jul 2010 20:16:06 GMT",
"version": "v1"
}
] | 2015-05-19 | [
[
"Eynard",
"Bertrand",
""
],
[
"Kashani-Poor",
"Amir-Kian",
""
],
[
"Marchal",
"Olivier",
""
]
] | In a previous paper, we presented a matrix model reproducing the topological string partition function on an arbitrary given toric Calabi-Yau manifold. Here, we study the spectral curve of our matrix model and thus derive, upon imposing certain minimality assumptions on the spectral curve, the large volume limit of the... |
1705.07732 | Alexander Zhidenko | R. A. Konoplya, A. Zhidenko | Quasinormal modes of Gauss-Bonnet-AdS black holes: towards holographic
description of finite coupling | 22 pages, JHEP style | JHEP 1709 (2017) 139 | 10.1007/JHEP09(2017)139 | null | hep-th gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Here we shall show that there is no other instability for the
Einstein-Gauss-Bonnet-anti-de Sitter (AdS) black holes, than the eikonal one
and consider the features of the quasinormal spectrum in the stability sector
in detail. The obtained quasinormal spectrum consists from the two essentially
different types of mod... | [
{
"created": "Mon, 22 May 2017 13:35:49 GMT",
"version": "v1"
},
{
"created": "Sun, 1 Oct 2017 15:30:51 GMT",
"version": "v2"
}
] | 2017-10-03 | [
[
"Konoplya",
"R. A.",
""
],
[
"Zhidenko",
"A.",
""
]
] | Here we shall show that there is no other instability for the Einstein-Gauss-Bonnet-anti-de Sitter (AdS) black holes, than the eikonal one and consider the features of the quasinormal spectrum in the stability sector in detail. The obtained quasinormal spectrum consists from the two essentially different types of modes... |
hep-th/0108140 | Arkady Tseytlin | A.A. Tseytlin | Magnetic backgrounds and tachyonic instabilities in closed string theory | 12 pages, latex. Contribution to the proceedings of the 10-th Tohwa
International Symposium on String Theory, Fukuoka, Japan, July 3-7, 2001; v2:
references added | null | 10.1063/1.1454381 | null | hep-th | null | We discuss some aspects of closed superstrings in Melvin-type magnetic
backgrounds. A 2-parameter family of such NS-NS backgrounds are exactly
solvable as weakly coupled string models with the spectrum containing tachyonic
modes. Magnetic field allows one to interpolate between free superstring
theories with periodic... | [
{
"created": "Mon, 20 Aug 2001 09:26:58 GMT",
"version": "v1"
},
{
"created": "Wed, 29 Aug 2001 07:30:25 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Tseytlin",
"A. A.",
""
]
] | We discuss some aspects of closed superstrings in Melvin-type magnetic backgrounds. A 2-parameter family of such NS-NS backgrounds are exactly solvable as weakly coupled string models with the spectrum containing tachyonic modes. Magnetic field allows one to interpolate between free superstring theories with periodic a... |
0808.0458 | Charles B. Thorn | Charles B. Thorn | Subcritical String and Large N QCD | 18 pages, 2 figures, error in eqs 46 and 47 corrected | Phys.Rev.D78:085022,2008 | 10.1103/PhysRevD.78.085022 | UFIFT-HEP-08-12 | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We pursue the possibility of using subcritical string theory in 4 space-time
dimensions to establish a string dual for large N QCD. In particular we study
the even G-parity sector of the 4 dimensional Neveu-Schwarz dual resonance
model as the natural candidate for this string theory. Our point of view is
that the ope... | [
{
"created": "Mon, 4 Aug 2008 16:30:51 GMT",
"version": "v1"
},
{
"created": "Sun, 21 Dec 2008 17:12:17 GMT",
"version": "v2"
},
{
"created": "Tue, 29 Jun 2010 19:53:04 GMT",
"version": "v3"
}
] | 2010-06-30 | [
[
"Thorn",
"Charles B.",
""
]
] | We pursue the possibility of using subcritical string theory in 4 space-time dimensions to establish a string dual for large N QCD. In particular we study the even G-parity sector of the 4 dimensional Neveu-Schwarz dual resonance model as the natural candidate for this string theory. Our point of view is that the open ... |
hep-th/9912134 | W. F. Kao | Tzuu-Kang Chyi, Chien-Wen Hwang, W. F. Kao, Guey-Lin Lin, Kin-Wang Ng,
Jie-Jun Tseng | The weak-field expansion for processes in a homogeneous background
magnetic field | 17 pages, section IIIB added, some typos corrected | Phys.Rev. D62 (2000) 105014 | 10.1103/PhysRevD.62.105014 | null | hep-th hep-ph | null | The weak-field expansion of the charged fermion propagator under a uniform
magnetic field is studied. Starting from Schwinger's proper-time
representation, we express the charged fermion propagator as an infinite series
corresponding to different Landau levels. This infinite series is then
reorganized according to th... | [
{
"created": "Wed, 15 Dec 1999 17:52:35 GMT",
"version": "v1"
},
{
"created": "Thu, 25 May 2000 11:26:41 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Chyi",
"Tzuu-Kang",
""
],
[
"Hwang",
"Chien-Wen",
""
],
[
"Kao",
"W. F.",
""
],
[
"Lin",
"Guey-Lin",
""
],
[
"Ng",
"Kin-Wang",
""
],
[
"Tseng",
"Jie-Jun",
""
]
] | The weak-field expansion of the charged fermion propagator under a uniform magnetic field is studied. Starting from Schwinger's proper-time representation, we express the charged fermion propagator as an infinite series corresponding to different Landau levels. This infinite series is then reorganized according to the ... |
1101.4642 | Dmitri Vassilevich | Dmitri Vassilevich | Is covariant star product unique? | 10 pages, a talk at the Workshop on Non Commutative Field Theory and
Gravity, Corfu, 2010 | null | null | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We give a nontechnical introduction to the problem of non-uniqueness of star
products and describe a covariant resolution of this problem. Some implications
(e.g., for noncommutative gravity) and further prospects are discussed.
| [
{
"created": "Mon, 24 Jan 2011 20:43:18 GMT",
"version": "v1"
}
] | 2011-01-25 | [
[
"Vassilevich",
"Dmitri",
""
]
] | We give a nontechnical introduction to the problem of non-uniqueness of star products and describe a covariant resolution of this problem. Some implications (e.g., for noncommutative gravity) and further prospects are discussed. |
0805.2009 | Sandor Nagy | S. Nagy | Massless fermions in multi-flavor QED_2 | 12 pages, 6 figures, published in Phys. Rev. D | Phys.Rev.D79:045004,2009 | 10.1103/PhysRevD.79.045004 | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The ground state of the multi-flavor 2-dimensional quantum electrodynamics
(QED_2) is determined in the presence of finite baryon density, and it is shown
that the model possesses two phases, the low density phase where the external
baryon density is totally screened, and the high density phase, where the
screening i... | [
{
"created": "Wed, 14 May 2008 09:13:25 GMT",
"version": "v1"
},
{
"created": "Thu, 5 Feb 2009 11:15:28 GMT",
"version": "v2"
}
] | 2009-02-20 | [
[
"Nagy",
"S.",
""
]
] | The ground state of the multi-flavor 2-dimensional quantum electrodynamics (QED_2) is determined in the presence of finite baryon density, and it is shown that the model possesses two phases, the low density phase where the external baryon density is totally screened, and the high density phase, where the screening is ... |
1003.5752 | Andrei Mironov | A. Mironov, Al. Morozov and And. Morozov | Matrix model version of AGT conjecture and generalized Selberg integrals | 19 pages | Nucl.Phys.B843:534-557,2011 | 10.1016/j.nuclphysb.2010.10.016 | FIAN/TD-04/10, ITEP/TH-14/10 | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Operator product expansion (OPE) of two operators in two-dimensional
conformal field theory includes a sum over Virasoro descendants of other
operator with universal coefficients, dictated exclusively by properties of the
Virasoro algebra and independent of choice of the particular conformal model.
In the free field ... | [
{
"created": "Tue, 30 Mar 2010 07:28:04 GMT",
"version": "v1"
}
] | 2011-04-07 | [
[
"Mironov",
"A.",
""
],
[
"Morozov",
"Al.",
""
],
[
"Morozov",
"And.",
""
]
] | Operator product expansion (OPE) of two operators in two-dimensional conformal field theory includes a sum over Virasoro descendants of other operator with universal coefficients, dictated exclusively by properties of the Virasoro algebra and independent of choice of the particular conformal model. In the free field mo... |
hep-th/0703156 | Mairi Sakellariadou | Nick Mavromatos and Mairi Sakellariadou (King's College London) | Relativistic Modified Newtonian Dynamics from String Theory? | 6 pages; slightly amended version to appear in Physics Letters B | Phys.Lett.B652:97-102,2007 | 10.1016/j.physletb.2007.07.004 | null | hep-th astro-ph gr-qc hep-ph | null | We argue that TeVeS-like vector fields appear naturally in certain string
theory backgrounds involving D0-branes, as a result of the recoil velocity
field, expressing the interaction of neutrino string matter with point-like
branes. However, the similarity with TeVeS models is restricted only to the
bi-metric propert... | [
{
"created": "Fri, 16 Mar 2007 18:13:47 GMT",
"version": "v1"
},
{
"created": "Sun, 18 Mar 2007 15:39:03 GMT",
"version": "v2"
},
{
"created": "Sun, 1 Jul 2007 19:02:49 GMT",
"version": "v3"
}
] | 2008-11-26 | [
[
"Mavromatos",
"Nick",
"",
"King's College London"
],
[
"Sakellariadou",
"Mairi",
"",
"King's College London"
]
] | We argue that TeVeS-like vector fields appear naturally in certain string theory backgrounds involving D0-branes, as a result of the recoil velocity field, expressing the interaction of neutrino string matter with point-like branes. However, the similarity with TeVeS models is restricted only to the bi-metric propertie... |
hep-th/9804158 | Bill Unruh | W. G. Unruh (U.B.C.) | Acceleration Radiation for Orbiting Electrons | 21pp 7fig | Phys.Rept. 307 (1998) 163-171 | 10.1016/S0370-1573(98)00068-4 | null | hep-th physics.acc-ph quant-ph | null | This paper presents an analysis of the radiation seen by an observer in
circular acceleration, for a magnetic spin. This is applied to an electron in a
storage ring, and the subtilty of the interaction of the spin with the spatial
motion of the electron is explicated. This interaction is shown to be time
dependent (i... | [
{
"created": "Thu, 23 Apr 1998 18:18:36 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Unruh",
"W. G.",
"",
"U.B.C."
]
] | This paper presents an analysis of the radiation seen by an observer in circular acceleration, for a magnetic spin. This is applied to an electron in a storage ring, and the subtilty of the interaction of the spin with the spatial motion of the electron is explicated. This interaction is shown to be time dependent (in ... |
0809.4390 | Hans Peter Nilles | Hans Peter Nilles | Supersymmetry: The Final Countdown | Opening talk at the conference SUSY08, 9 pages, 4 figures | AIP Conf.Proc.1078:3-11,2009 | 10.1063/1.3051973 | null | hep-th hep-ex hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | There is hope that the Large Hadron Collider (LHC) at CERN will tell us about
the fate of supersymmetry at the TeVscale. Therefore we might try to identify
our expectations for the discovery of SUSY, especially in the first years of
operation of this machine. In this talk we shall concentrate on the simplest
SUSY sch... | [
{
"created": "Thu, 25 Sep 2008 12:29:05 GMT",
"version": "v1"
}
] | 2009-02-02 | [
[
"Nilles",
"Hans Peter",
""
]
] | There is hope that the Large Hadron Collider (LHC) at CERN will tell us about the fate of supersymmetry at the TeVscale. Therefore we might try to identify our expectations for the discovery of SUSY, especially in the first years of operation of this machine. In this talk we shall concentrate on the simplest SUSY schem... |
1505.07803 | Mithat Unsal | Gerald V. Dunne and Mithat Unsal | Resurgence and Dynamics of O(N) and Grassmannian Sigma Models | 32 pages, 6 figures | null | null | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the non-perturbative dynamics of the two dimensional ${O(N)}$ and
Grassmannian sigma models by using compactification with twisted boundary
conditions on $\mathbb R \times S^1$, semi-classical techniques and resurgence.
While the $O(N)$ model has no instantons for $N>3$, it has (non-instanton)
saddles on $\m... | [
{
"created": "Thu, 28 May 2015 19:14:34 GMT",
"version": "v1"
}
] | 2015-05-29 | [
[
"Dunne",
"Gerald V.",
""
],
[
"Unsal",
"Mithat",
""
]
] | We study the non-perturbative dynamics of the two dimensional ${O(N)}$ and Grassmannian sigma models by using compactification with twisted boundary conditions on $\mathbb R \times S^1$, semi-classical techniques and resurgence. While the $O(N)$ model has no instantons for $N>3$, it has (non-instanton) saddles on $\mat... |
hep-th/9312049 | Andreas Honecker | J. de Boer, L. Feher, A. Honecker | A Class of W-Algebras with Infinitely Generated Classical Limit | 39 pages (plain TeX), ITP-SB-93-84, BONN-HE-93-49 | Nucl.Phys. B420 (1994) 409-446 | 10.1016/0550-3213(94)90388-3 | null | hep-th | null | There is a relatively well understood class of deformable W-algebras,
resulting from Drinfeld-Sokolov (DS) type reductions of Kac-Moody algebras,
which are Poisson bracket algebras based on finitely, freely generated rings of
differential polynomials in the classical limit. The purpose of this paper is
to point out t... | [
{
"created": "Tue, 7 Dec 1993 09:05:02 GMT",
"version": "v1"
}
] | 2009-10-22 | [
[
"de Boer",
"J.",
""
],
[
"Feher",
"L.",
""
],
[
"Honecker",
"A.",
""
]
] | There is a relatively well understood class of deformable W-algebras, resulting from Drinfeld-Sokolov (DS) type reductions of Kac-Moody algebras, which are Poisson bracket algebras based on finitely, freely generated rings of differential polynomials in the classical limit. The purpose of this paper is to point out the... |
hep-th/0608179 | Sachindeo Vaidya | A. P. Balachandran, T. R. Govindarajan, G. Mangano, A. Pinzul, B. A.
Qureshi and S. Vaidya | Statistics and UV-IR Mixing with Twisted Poincare Invariance | 13 pages, LaTeX; typos corrected | Phys.Rev.D75:045009,2007 | 10.1103/PhysRevD.75.045009 | SU-4252-836, IMSc/2006/08/19, IISc/CHEP/6/06 | hep-th math-ph math.MP math.QA | null | We elaborate on the role of quantum statistics in twisted Poincare invariant
theories. It is shown that, in order to have twisted Poincare group as the
symmetry of a quantum theory, statistics must be twisted. It is also confirmed
that the removal of UV-IR mixing (in the absence of gauge fields) in such
theories is a... | [
{
"created": "Fri, 25 Aug 2006 05:22:52 GMT",
"version": "v1"
},
{
"created": "Tue, 5 Sep 2006 12:34:06 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Balachandran",
"A. P.",
""
],
[
"Govindarajan",
"T. R.",
""
],
[
"Mangano",
"G.",
""
],
[
"Pinzul",
"A.",
""
],
[
"Qureshi",
"B. A.",
""
],
[
"Vaidya",
"S.",
""
]
] | We elaborate on the role of quantum statistics in twisted Poincare invariant theories. It is shown that, in order to have twisted Poincare group as the symmetry of a quantum theory, statistics must be twisted. It is also confirmed that the removal of UV-IR mixing (in the absence of gauge fields) in such theories is a n... |
2012.07148 | Nicol\`o Petri | Federico Faedo, Yolanda Lozano, Nicol\`o Petri | New $\mathcal{N}=(0,4)$ AdS$_3$ near-horizons in Type IIB | 40 pages, 6 figures. v2: references added, connection with D3 brane
boxes emphasised | null | 10.1007/JHEP04(2021)028 | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We construct new families of $\mathcal{N}=(0,4)$ $\mathrm{AdS}_3\times S^2
\times \tilde S^2 \times S^1$ backgrounds fibred over a 2d Riemann surface in
Type IIB string theory. These solutions are obtained by extracting the
near-horizon limit of D3-brane box configurations, consisting on D3-D5-NS5
branes ending on D5... | [
{
"created": "Sun, 13 Dec 2020 20:49:21 GMT",
"version": "v1"
},
{
"created": "Fri, 18 Dec 2020 18:05:16 GMT",
"version": "v2"
}
] | 2021-04-21 | [
[
"Faedo",
"Federico",
""
],
[
"Lozano",
"Yolanda",
""
],
[
"Petri",
"Nicolò",
""
]
] | We construct new families of $\mathcal{N}=(0,4)$ $\mathrm{AdS}_3\times S^2 \times \tilde S^2 \times S^1$ backgrounds fibred over a 2d Riemann surface in Type IIB string theory. These solutions are obtained by extracting the near-horizon limit of D3-brane box configurations, consisting on D3-D5-NS5 branes ending on D5'-... |
1908.01164 | Mahdi Godazgar | Hadi Godazgar, Mahdi Godazgar, C.N. Pope | Dual gravitational charges and soft theorems | 24 pages; few minor typos corrected | JHEP 123 (2019) | 10.1007/JHEP10(2019)123 | null | hep-th gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider the consequences of the dual gravitational charges for the phase
space of radiating modes, and find that they imply a new soft NUT theorem. In
particular, we argue that the existence of these new charges removes the need
for imposing boundary conditions at spacelike infinity that would otherwise
preclude ... | [
{
"created": "Sat, 3 Aug 2019 12:56:53 GMT",
"version": "v1"
},
{
"created": "Mon, 22 Feb 2021 20:34:52 GMT",
"version": "v2"
}
] | 2021-02-24 | [
[
"Godazgar",
"Hadi",
""
],
[
"Godazgar",
"Mahdi",
""
],
[
"Pope",
"C. N.",
""
]
] | We consider the consequences of the dual gravitational charges for the phase space of radiating modes, and find that they imply a new soft NUT theorem. In particular, we argue that the existence of these new charges removes the need for imposing boundary conditions at spacelike infinity that would otherwise preclude th... |
0903.2597 | Victor Villalba | Victor M. Villalba, Luis A. Gonzalez-Diaz | Particle resonance in the Dirac equation in the presence of a delta
interaction and a perturbative hyperbolic potential | 6 pages, Latex2e, to appear in Eur. Phys. Journal C | Eur.Phys.J.C61:519-525,2009 | 10.1140/epjc/s10052-009-0999-x | null | hep-th quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the present article we show that the energy spectrum of the
one-dimensional Dirac equation, in the presence of an attractive vectorial
delta potential, exhibits a resonant behavior when one includes an
asymptotically spatially vanishing weak electric field associated with a
hyperbolic tangent potential. We solve t... | [
{
"created": "Sun, 15 Mar 2009 01:40:22 GMT",
"version": "v1"
},
{
"created": "Wed, 25 Mar 2009 14:32:59 GMT",
"version": "v2"
}
] | 2009-07-22 | [
[
"Villalba",
"Victor M.",
""
],
[
"Gonzalez-Diaz",
"Luis A.",
""
]
] | In the present article we show that the energy spectrum of the one-dimensional Dirac equation, in the presence of an attractive vectorial delta potential, exhibits a resonant behavior when one includes an asymptotically spatially vanishing weak electric field associated with a hyperbolic tangent potential. We solve the... |
1602.02166 | Songge Sun | Gaoli Chen and Songge Sun | Numerical Study of the Simplest String Bit Model | 54 pages, 15 figures | Phys. Rev. D 93, 106004 (2016) | 10.1103/PhysRevD.93.106004 | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | String bit models provide a possible method to formulate a string as a
discrete chain of pointlike string bits. When the bit number $M$ is large, a
chain behaves as a continuous string. We study the simplest case that has only
one bosonic bit and one fermionic bit. The creation and annihilation operators
are adjoint ... | [
{
"created": "Fri, 5 Feb 2016 21:08:13 GMT",
"version": "v1"
},
{
"created": "Wed, 25 May 2016 18:31:02 GMT",
"version": "v2"
}
] | 2016-05-26 | [
[
"Chen",
"Gaoli",
""
],
[
"Sun",
"Songge",
""
]
] | String bit models provide a possible method to formulate a string as a discrete chain of pointlike string bits. When the bit number $M$ is large, a chain behaves as a continuous string. We study the simplest case that has only one bosonic bit and one fermionic bit. The creation and annihilation operators are adjoint re... |
1711.03956 | Nathan Moynihan | Nathan Moynihan and Jeff Murugan | Comments on scattering in massive gravity, vDVZ and BCFW | null | null | 10.1088/1361-6382/aacb73 | null | hep-th astro-ph.HE gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Armed with the latest technology in the computation of scattering amplitudes
involving massive particles of any spin, we revisit the van
Dam-Veltman-Zakharov (vDVZ) discontinuity of massive gravity and show how it
may be understood in terms of the Britto-Cachazo-Feng-Witten (BCFW) relations.
| [
{
"created": "Fri, 10 Nov 2017 18:36:41 GMT",
"version": "v1"
},
{
"created": "Sun, 26 Nov 2017 09:13:55 GMT",
"version": "v2"
}
] | 2018-07-25 | [
[
"Moynihan",
"Nathan",
""
],
[
"Murugan",
"Jeff",
""
]
] | Armed with the latest technology in the computation of scattering amplitudes involving massive particles of any spin, we revisit the van Dam-Veltman-Zakharov (vDVZ) discontinuity of massive gravity and show how it may be understood in terms of the Britto-Cachazo-Feng-Witten (BCFW) relations. |
1008.0872 | Adam Rej | Adam Rej and Fabian Spill | The Yangian of sl(n|m) and the universal R-matrix | 24 pages, 2 figures | JHEP 1105:012,2011 | 10.1007/JHEP05(2011)012 | null | hep-th math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we study Yangians of sl(n|m) superalgebras. We derive the
universal R-matrix and evaluate it on the fundamental representation obtaining
the standard Yang R-matrix with unitary dressing factors. For m=0, we directly
recover up to a CDD factor the well-known S-matrices for relativistic
integrable models ... | [
{
"created": "Wed, 4 Aug 2010 20:25:48 GMT",
"version": "v1"
}
] | 2011-05-09 | [
[
"Rej",
"Adam",
""
],
[
"Spill",
"Fabian",
""
]
] | In this paper we study Yangians of sl(n|m) superalgebras. We derive the universal R-matrix and evaluate it on the fundamental representation obtaining the standard Yang R-matrix with unitary dressing factors. For m=0, we directly recover up to a CDD factor the well-known S-matrices for relativistic integrable models wi... |
hep-th/0612008 | Paul McFadden | Paul McFadden | A Signature of Higher Dimensions at the Cosmic Singularity | Author's PhD thesis; 150 pages | null | null | null | hep-th | null | In this thesis we study the dynamics of higher-dimensional gravity in a
universe emerging from a brane collision. We develop a set of powerful analytic
methods which, we believe, render braneworld cosmological perturbation theory
solvable. Our particular concern is to determine the extent to which the
four-dimensiona... | [
{
"created": "Fri, 1 Dec 2006 16:08:13 GMT",
"version": "v1"
},
{
"created": "Sat, 2 Dec 2006 18:15:10 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"McFadden",
"Paul",
""
]
] | In this thesis we study the dynamics of higher-dimensional gravity in a universe emerging from a brane collision. We develop a set of powerful analytic methods which, we believe, render braneworld cosmological perturbation theory solvable. Our particular concern is to determine the extent to which the four-dimensional ... |
1012.3990 | Matthias Staudacher | Matthias Staudacher | Review of AdS/CFT Integrability, Chapter III.1: Bethe Ans\"atze and the
R-Matrix Formalism | 17 pages, see also overview article arXiv:1012.3982, v2: references
to other chapters updated, v3: minor corrections, final version | null | 10.1007/s11005-011-0530-9 | HU-Mathematik 2010-20, HU-EP-10/84, AEI-2010-176 | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The one-dimensional Heisenberg XXX spin chain appears in a special limit of
the AdS/CFT integrable system. We review various ways of proving its
integrability, and discuss the associated methods of solution. In particular,
we outline the coordinate and the algebraic Bethe ansatz, giving reference to
literature suitab... | [
{
"created": "Fri, 17 Dec 2010 20:58:09 GMT",
"version": "v1"
},
{
"created": "Mon, 20 Dec 2010 19:16:27 GMT",
"version": "v2"
},
{
"created": "Thu, 24 Nov 2011 19:54:59 GMT",
"version": "v3"
}
] | 2015-05-20 | [
[
"Staudacher",
"Matthias",
""
]
] | The one-dimensional Heisenberg XXX spin chain appears in a special limit of the AdS/CFT integrable system. We review various ways of proving its integrability, and discuss the associated methods of solution. In particular, we outline the coordinate and the algebraic Bethe ansatz, giving reference to literature suitable... |
hep-th/0011058 | Kazunori Takenaga | M.Sakamoto (Kobe Univ), M.Tachibana (MIT), K.Takenaga (DIAS) | SUSY Breaking through Compactification | 6 pages, 1 figure, a reference added | null | null | null | hep-th | null | We propose a new mechanism of spontaneous supersymmetry breaking. The
existence of extra dimensions with nontrivial topology plays an important role.
We investigate new features resulting from this mechanism. One noteworthy
feature is that there exists a phase in which the translational invariance for
the compactifie... | [
{
"created": "Wed, 8 Nov 2000 19:36:10 GMT",
"version": "v1"
},
{
"created": "Mon, 20 Nov 2000 14:45:40 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Sakamoto",
"M.",
"",
"Kobe Univ"
],
[
"Tachibana",
"M.",
"",
"MIT"
],
[
"Takenaga",
"K.",
"",
"DIAS"
]
] | We propose a new mechanism of spontaneous supersymmetry breaking. The existence of extra dimensions with nontrivial topology plays an important role. We investigate new features resulting from this mechanism. One noteworthy feature is that there exists a phase in which the translational invariance for the compactified ... |
hep-th/9811186 | Prasanta K. Tripathy | Prasanta K. Tripathy | Supersymmetric Gauged $ O(3) $ Sigma Model and Self-dual Born-Infeld
Theory | 10 Pages, RevTex | Phys.Rev. D59 (1999) 085004 | 10.1103/PhysRevD.59.085004 | IP/BBSR/98-37 | hep-th | null | We study the supersymmetric extension of the gauged $ O(3) $ sigma model in $
2+1 $ dimensions and find the supersymmetry algebra. We also discuss soliton
solutions in case the Maxwell term is replaced by the Born-Infeld term. We show
that by appropriate choice of the potential, the self-dual equations in the
Born-In... | [
{
"created": "Fri, 20 Nov 1998 10:06:29 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Tripathy",
"Prasanta K.",
""
]
] | We study the supersymmetric extension of the gauged $ O(3) $ sigma model in $ 2+1 $ dimensions and find the supersymmetry algebra. We also discuss soliton solutions in case the Maxwell term is replaced by the Born-Infeld term. We show that by appropriate choice of the potential, the self-dual equations in the Born-Infe... |
1507.02709 | Eray Sabancilar | Mohamed M. Anber, Yannis Burnier, Eray Sabancilar, Mikhail
Shaposhnikov | Confined Vortices in Topologically Massive U(1)$\times$U(1) Theory | 11 pages, 8 figures | Phys. Rev. D 92, 065013 (2015) | 10.1103/PhysRevD.92.065013 | null | hep-th cond-mat.mes-hall cond-mat.supr-con hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We report on a new topological vortex solution in U(1)$\times$U(1)
Maxwell-Chern-Simons theory. The existence of the vortex is envisaged by
analytical means, and a numerical solution is obtained by integrating the
equations of motion. These vortices have a long-range force because one of the
U(1)s remains unbroken in... | [
{
"created": "Thu, 9 Jul 2015 20:50:12 GMT",
"version": "v1"
}
] | 2015-09-23 | [
[
"Anber",
"Mohamed M.",
""
],
[
"Burnier",
"Yannis",
""
],
[
"Sabancilar",
"Eray",
""
],
[
"Shaposhnikov",
"Mikhail",
""
]
] | We report on a new topological vortex solution in U(1)$\times$U(1) Maxwell-Chern-Simons theory. The existence of the vortex is envisaged by analytical means, and a numerical solution is obtained by integrating the equations of motion. These vortices have a long-range force because one of the U(1)s remains unbroken in t... |
hep-th/9304119 | null | A. Petermann | On a class of finite sigma-models and string vacua; a supersymmetric
extension | 12 pages, CPT-93/P.2879,CERN-TH-6828/93, plain TeX | null | null | null | hep-th | null | Following a suggestion made by Tseytlin, we investigate the case when one
replaces the transverse part of the bosonic action by an $n=2$ supersymmetric
sigma-model with a symmetric homogeneous K\"ahlerian target space. As
conjectured by Tseytlin, the metric is shown to be exactly known since the beta
function is know... | [
{
"created": "Mon, 26 Apr 1993 09:06:44 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Petermann",
"A.",
""
]
] | Following a suggestion made by Tseytlin, we investigate the case when one replaces the transverse part of the bosonic action by an $n=2$ supersymmetric sigma-model with a symmetric homogeneous K\"ahlerian target space. As conjectured by Tseytlin, the metric is shown to be exactly known since the beta function is known ... |
hep-th/9703061 | Olivier de Mirleau | Olivier de Mirleau (University of Amsterdam) | Further illustration of the use of the Frobenius-Schwinger-Dyson
equations | 10 pages Latex | null | null | null | hep-th | null | The Frobenius-Schwinger-Dyson equations are a rather high-brow abstract
nonsense type of equations describing n-point functions of arbitrarily high
composite insertions. It is not clear how to solve or even find approximate
solutions of these equations in general, but they are worth investigating
because (a certain p... | [
{
"created": "Sat, 8 Mar 1997 00:56:06 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"de Mirleau",
"Olivier",
"",
"University of Amsterdam"
]
] | The Frobenius-Schwinger-Dyson equations are a rather high-brow abstract nonsense type of equations describing n-point functions of arbitrarily high composite insertions. It is not clear how to solve or even find approximate solutions of these equations in general, but they are worth investigating because (a certain pre... |
1509.01231 | Hendrik Van Zyl | H.J.R. van Zyl | Constructing Dualities from Quantum State Manifolds | PhD thesis, Stellenbosch University, 2015, 145 pages; FG Scholtz, JN
Kriel advisors | null | null | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The thesis develops a systematic procedure to construct semi-classical
gravitational duals from quantum state manifolds. Though the systems
investigated are simple quantum mechanical systems without gauge symmetry many
familiar concepts from the conventional gauge/gravity duality come about in a
very natural way. The... | [
{
"created": "Wed, 2 Sep 2015 11:19:53 GMT",
"version": "v1"
}
] | 2015-09-04 | [
[
"van Zyl",
"H. J. R.",
""
]
] | The thesis develops a systematic procedure to construct semi-classical gravitational duals from quantum state manifolds. Though the systems investigated are simple quantum mechanical systems without gauge symmetry many familiar concepts from the conventional gauge/gravity duality come about in a very natural way. The i... |
0805.0388 | Charles B. Thorn | Charles M. Sommerfield and Charles B. Thorn | Classical Worldsheets for String Scattering on Flat and AdS Spacetime | 26 pages, 19 figures, corrected typos, added reference | Phys.Rev.D78:046005,2008 | 10.1103/PhysRevD.78.046005 | UFIFT-HEP-08-6 | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a study of the worldsheets that describe the classical limit of
various string scattering processes. Our main focus is on string scattering in
AdS spacetime because of its relation via the AdS/CFT correspondence to gluon
scattering in {\cal N}=4 supersymmetric Yang-Mills theory. But we also consider
analog... | [
{
"created": "Sun, 4 May 2008 02:44:53 GMT",
"version": "v1"
},
{
"created": "Wed, 21 May 2008 19:15:55 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Sommerfield",
"Charles M.",
""
],
[
"Thorn",
"Charles B.",
""
]
] | We present a study of the worldsheets that describe the classical limit of various string scattering processes. Our main focus is on string scattering in AdS spacetime because of its relation via the AdS/CFT correspondence to gluon scattering in {\cal N}=4 supersymmetric Yang-Mills theory. But we also consider analogou... |
1406.2265 | Philip D. Mannheim | Philip D. Mannheim | Torsion, Magnetic Monopoles and Faraday's Law via a Variational
Principle | 4 pages, revtex4. In this version the Weyl geometry connection is
taken to be associated with an anti-Hermitian field $iA_{\mu}$ rather than
with a Hermitian $A_{\mu}$. It is the anti-Hermitian connection that yields
an electromagnetic $A_{\mu}$ that couples to a Dirac fermion in the standard
minimally coupled ... | null | 10.1088/1742-6596/615/1/012004 | null | hep-th gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Even though Faraday's Law is a dynamical law that describes how changing
$\bf{E}$ and $\bf {B}$ fields influence each other, by introducing a vector
potential $A_{\mu}$ according to
$F_{\mu\nu}=\partial_{\mu}A_{\nu}-\partial_{\nu}A_{\mu}$ Faraday's Law is
satisfied kinematically, with the relation
$(-g)^{-1/2}\epsilo... | [
{
"created": "Mon, 9 Jun 2014 18:01:46 GMT",
"version": "v1"
},
{
"created": "Thu, 26 Jun 2014 15:32:23 GMT",
"version": "v2"
}
] | 2015-06-11 | [
[
"Mannheim",
"Philip D.",
""
]
] | Even though Faraday's Law is a dynamical law that describes how changing $\bf{E}$ and $\bf {B}$ fields influence each other, by introducing a vector potential $A_{\mu}$ according to $F_{\mu\nu}=\partial_{\mu}A_{\nu}-\partial_{\nu}A_{\mu}$ Faraday's Law is satisfied kinematically, with the relation $(-g)^{-1/2}\epsilon^... |
hep-th/0402191 | Peter Horvathy | C. Duval and P. A. Horvathy | Anyons with anomalous gyromagnetic ratio & the Hall effect | The affiliation of the first author's Institution is presented in
detail. LaTeX, 12 pages no figures. To appear in Phys. Lett. B | Phys.Lett. B594 (2004) 402-409 | 10.1016/j.physletb.2004.05.049 | null | hep-th | null | Letting the mass depend on the spin-field coupling as
$M^2=m^2-(eg/2c^2)F_{\alpha\beta}S^{\alpha\beta}$, we propose a new set of
relativistic planar equations of motion for spinning anyons. Our model can
accommodate any gyromagnetic ratio $g$ and provides us with a novel version of
the Bargmann-Michel-Telegdi equatio... | [
{
"created": "Tue, 24 Feb 2004 16:54:05 GMT",
"version": "v1"
},
{
"created": "Tue, 2 Mar 2004 14:05:07 GMT",
"version": "v2"
},
{
"created": "Fri, 26 Mar 2004 15:49:59 GMT",
"version": "v3"
},
{
"created": "Mon, 10 May 2004 09:16:01 GMT",
"version": "v4"
},
{
"cr... | 2010-04-05 | [
[
"Duval",
"C.",
""
],
[
"Horvathy",
"P. A.",
""
]
] | Letting the mass depend on the spin-field coupling as $M^2=m^2-(eg/2c^2)F_{\alpha\beta}S^{\alpha\beta}$, we propose a new set of relativistic planar equations of motion for spinning anyons. Our model can accommodate any gyromagnetic ratio $g$ and provides us with a novel version of the Bargmann-Michel-Telegdi equations... |
0809.5179 | Maria Emilia Guimaraes | A. A. Bytsenko (DF/Uel) and M. E. X. Guimaraes (IF/Uff) | Expository Remarks on Three-Dimensional Gravity and Hyperbolic
Invariants | 6 pages. To appear in the Class. Quantum Grav. (2008) | null | 10.1088/0264-9381/25/22/228001 | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider complex invariants associated with compact real three-dimensional
hyperbolic spaces. The contribution of the Chern-Simons invariants of
irreducible U(n)-flat connections on hyperbolic fibered manifolds to the low
order expansion of the quantum gravitational path integral is analyzed.
| [
{
"created": "Tue, 30 Sep 2008 12:03:53 GMT",
"version": "v1"
}
] | 2009-11-13 | [
[
"Bytsenko",
"A. A.",
"",
"DF/Uel"
],
[
"Guimaraes",
"M. E. X.",
"",
"IF/Uff"
]
] | We consider complex invariants associated with compact real three-dimensional hyperbolic spaces. The contribution of the Chern-Simons invariants of irreducible U(n)-flat connections on hyperbolic fibered manifolds to the low order expansion of the quantum gravitational path integral is analyzed. |
1403.7622 | Muhammad Adeel Ajaib | Muhammad Adeel Ajaib | Lorentz violation and Condensed Matter Physics | 11 pages, 1 Table | null | null | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present heuristic arguments that hint to a possible connection of Lorentz
violation with observed phenomenon in condensed matter physics. Various
references from condensed matter literature are cited where operators in the
Standard Model Extension appear to be enhanced. Furthermore, we consider the
Levy-Leblond eq... | [
{
"created": "Sat, 29 Mar 2014 11:26:36 GMT",
"version": "v1"
},
{
"created": "Mon, 19 Jun 2017 21:19:43 GMT",
"version": "v2"
}
] | 2017-06-21 | [
[
"Ajaib",
"Muhammad Adeel",
""
]
] | We present heuristic arguments that hint to a possible connection of Lorentz violation with observed phenomenon in condensed matter physics. Various references from condensed matter literature are cited where operators in the Standard Model Extension appear to be enhanced. Furthermore, we consider the Levy-Leblond equa... |
1506.01718 | Benjamin Assel | Benjamin Assel and Jaume Gomis | Mirror Symmetry And Loop Operators | 92 pages, v2: minor clarifications in the introduction, to be
published in JHEP | null | null | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Wilson loops in gauge theories pose a fundamental challenge for dualities.
Wilson loops are labeled by a representation of the gauge group and should map
under duality to loop operators labeled by the same data, yet generically, dual
theories have completely different gauge groups. In this paper we resolve this
conun... | [
{
"created": "Thu, 4 Jun 2015 20:02:03 GMT",
"version": "v1"
},
{
"created": "Tue, 10 Nov 2015 09:07:57 GMT",
"version": "v2"
}
] | 2015-11-11 | [
[
"Assel",
"Benjamin",
""
],
[
"Gomis",
"Jaume",
""
]
] | Wilson loops in gauge theories pose a fundamental challenge for dualities. Wilson loops are labeled by a representation of the gauge group and should map under duality to loop operators labeled by the same data, yet generically, dual theories have completely different gauge groups. In this paper we resolve this conundr... |
hep-th/0411055 | Roman Konoplya | K. H. C. Castello-Branco, R.A. Konoplya, A. Zhidenko | High overtones of Dirac perturbations of a Schwarzschild black hole | 5 pages, Latex, 3 figures, Physical Review D.,at press | Phys.Rev. D71 (2005) 047502 | 10.1103/PhysRevD.71.047502 | null | hep-th astro-ph gr-qc | null | Using the Frobenius method, we find high overtones of the Dirac quasinormal
spectrum for the Schwarzschild black hole. At high overtones, the spacing for
imaginary part of $\omega_{n}$ is equidistant and equals to
$\Im{\omega_{n+1}}-\Im{\omega_{n}} =i/8M$, ($M$ is the black hole mass), which
is twice less than that f... | [
{
"created": "Thu, 4 Nov 2004 15:10:01 GMT",
"version": "v1"
},
{
"created": "Mon, 8 Nov 2004 18:32:54 GMT",
"version": "v2"
},
{
"created": "Sun, 6 Feb 2005 16:38:38 GMT",
"version": "v3"
}
] | 2009-11-10 | [
[
"Castello-Branco",
"K. H. C.",
""
],
[
"Konoplya",
"R. A.",
""
],
[
"Zhidenko",
"A.",
""
]
] | Using the Frobenius method, we find high overtones of the Dirac quasinormal spectrum for the Schwarzschild black hole. At high overtones, the spacing for imaginary part of $\omega_{n}$ is equidistant and equals to $\Im{\omega_{n+1}}-\Im{\omega_{n}} =i/8M$, ($M$ is the black hole mass), which is twice less than that for... |
2101.10327 | Marc-Antoine Fiset | Marc-Antoine Fiset, Matthias R. Gaberdiel | Deformed Shatashvili-Vafa algebra for superstrings on AdS$_3\times {\cal
M}_7$ | 42 pages | null | null | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | String backgrounds of the form $\mathbb{M}_3 \times {\cal M}_7$ where
$\mathbb{M}_3$ denotes $3$-dimensional Minkowski space while ${\cal M}_7$ is a
$7$-dimensional G$_2$-manifold, are characterised by the property that the
world-sheet theory has a Shatashvili-Vafa (SV) chiral algebra. We study the
generalisation of ... | [
{
"created": "Mon, 25 Jan 2021 19:00:00 GMT",
"version": "v1"
}
] | 2021-01-27 | [
[
"Fiset",
"Marc-Antoine",
""
],
[
"Gaberdiel",
"Matthias R.",
""
]
] | String backgrounds of the form $\mathbb{M}_3 \times {\cal M}_7$ where $\mathbb{M}_3$ denotes $3$-dimensional Minkowski space while ${\cal M}_7$ is a $7$-dimensional G$_2$-manifold, are characterised by the property that the world-sheet theory has a Shatashvili-Vafa (SV) chiral algebra. We study the generalisation of th... |
hep-th/9504140 | null | E. Bergshoeff and E. Sezgin | Super p-Brane Theories and New Spacetime Superalgebras | 14 pages, plain tex | Phys.Lett. B354 (1995) 256-263 | 10.1016/0370-2693(95)00655-5 | CTP TAMU-17/95, UG-2/95 | hep-th | null | We present a geometric formulation of super $p$--brane theories in which the
Wess--Zumino term is $(p+1)$--th order in the supersymmetric currents, and
hence is manifestly supersymmetric. The currents are constructed using a
supergroup manifold corresponding to a generalization of a superalgebra which
we found someti... | [
{
"created": "Wed, 26 Apr 1995 20:53:20 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Bergshoeff",
"E.",
""
],
[
"Sezgin",
"E.",
""
]
] | We present a geometric formulation of super $p$--brane theories in which the Wess--Zumino term is $(p+1)$--th order in the supersymmetric currents, and hence is manifestly supersymmetric. The currents are constructed using a supergroup manifold corresponding to a generalization of a superalgebra which we found sometime... |
1108.2424 | Francisco Pedro | Joseph P. Conlon and Francisco G. Pedro | Supersymmetric Radiative Flavour | 25 pages, 9 figures | null | 10.1007/JHEP02(2012)007 | null | hep-th hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We examine possibilities for the radiative generation of the Yukawa couplings
and flavour structure in supersymmetric models in the supersymmetric phase. Not
withstanding the non-renormalisation of the Wilsonian superpotential, this can
occur through the 2-loop vertex renormalisation of the physical 1PI couplings.
We... | [
{
"created": "Thu, 11 Aug 2011 14:58:12 GMT",
"version": "v1"
}
] | 2015-05-30 | [
[
"Conlon",
"Joseph P.",
""
],
[
"Pedro",
"Francisco G.",
""
]
] | We examine possibilities for the radiative generation of the Yukawa couplings and flavour structure in supersymmetric models in the supersymmetric phase. Not withstanding the non-renormalisation of the Wilsonian superpotential, this can occur through the 2-loop vertex renormalisation of the physical 1PI couplings. We d... |
2312.12382 | Leopoldo A. Pando Zayas | Jos\'e de-la-Cruz-Moreno, James T. Liu and Leopoldo A. Pando Zayas | Discontinuity in RG Flows Across Dimensions: Entanglement, Anomaly
Coefficients and Geometry | 31 pages, 9 figures | null | null | LCTP-23-18 | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the entanglement entropy associated with a holographic RG flow from
$\textrm{AdS}_7$ to $\textrm{AdS}_{4} \times \mathbb{H}_3$, where
$\mathbb{H}_3$ is a $3$-dimensional hyperbolic manifold with curvature
$\kappa$. The dual six-dimensional RG flow is disconnected from
Lorentz-invariant flows. In this context... | [
{
"created": "Tue, 19 Dec 2023 18:17:14 GMT",
"version": "v1"
}
] | 2023-12-20 | [
[
"de-la-Cruz-Moreno",
"José",
""
],
[
"Liu",
"James T.",
""
],
[
"Zayas",
"Leopoldo A. Pando",
""
]
] | We study the entanglement entropy associated with a holographic RG flow from $\textrm{AdS}_7$ to $\textrm{AdS}_{4} \times \mathbb{H}_3$, where $\mathbb{H}_3$ is a $3$-dimensional hyperbolic manifold with curvature $\kappa$. The dual six-dimensional RG flow is disconnected from Lorentz-invariant flows. In this context w... |
2203.02065 | Julio Marny Hoff da Silva | J. M. Hoff da Silva, R. J. Bueno Rogerio, and N. C. R. Quinquiolo | Spinorial discrete symmetries and adjoint structures | 7 pages, no figures, manuscript slightly changed to match the journal
version | Physics Letters A 452 (2022) 128470 | 10.1016/j.physleta.2022.128470 | null | hep-th math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Extending the investigations about the theory of duals, we analyze duals
built up with the aid of discrete symmetry operators. We scrutinize algebraic
and physical constraints (encompassing them in a theoretical scope) in order to
verify which combination of discrete symmetries may compose a physical and
mathematical... | [
{
"created": "Thu, 3 Mar 2022 23:30:47 GMT",
"version": "v1"
},
{
"created": "Tue, 4 Oct 2022 14:28:06 GMT",
"version": "v2"
}
] | 2022-10-05 | [
[
"da Silva",
"J. M. Hoff",
""
],
[
"Rogerio",
"R. J. Bueno",
""
],
[
"Quinquiolo",
"N. C. R.",
""
]
] | Extending the investigations about the theory of duals, we analyze duals built up with the aid of discrete symmetry operators. We scrutinize algebraic and physical constraints (encompassing them in a theoretical scope) in order to verify which combination of discrete symmetries may compose a physical and mathematical w... |
0909.3781 | Yutaka Ookouchi | Kenichi Konishi and Yutaka Ookouchi | On Confinement Index | 29 pages | Nucl.Phys.B827:59-81,2010 | 10.1016/j.nuclphysb.2009.10.018 | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The smallest integer t for which the Wilson loop W^{t} fails to exhibit area
law is known as the confinement index of a given field theory. The confinement
index provides us with subtle information on the vacuum properties of the
system. We study the behavior of the Wilson and 't Hooft loops and compute the
confineme... | [
{
"created": "Mon, 21 Sep 2009 14:08:39 GMT",
"version": "v1"
}
] | 2009-12-04 | [
[
"Konishi",
"Kenichi",
""
],
[
"Ookouchi",
"Yutaka",
""
]
] | The smallest integer t for which the Wilson loop W^{t} fails to exhibit area law is known as the confinement index of a given field theory. The confinement index provides us with subtle information on the vacuum properties of the system. We study the behavior of the Wilson and 't Hooft loops and compute the confinement... |
hep-th/0204086 | Kentaroh Yoshida | Kentaroh Yoshida (Kyoto Univ.) | Phase Structure of Compact QED from the Sine-Gordon/Massive Thirring
Duality | 44 pages, LaTeX | null | null | KUCP-0200 | hep-th | null | We discuss a phase structure of compact QED in four dimensions by considering
the theory as a perturbed topological model. In this scenario we use the
singular configuration with an appropriate regularization, and so obtain the
results similar to the lattice gauge theory due to the effect of topological
objects. In t... | [
{
"created": "Wed, 10 Apr 2002 12:14:58 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Yoshida",
"Kentaroh",
"",
"Kyoto Univ."
]
] | We discuss a phase structure of compact QED in four dimensions by considering the theory as a perturbed topological model. In this scenario we use the singular configuration with an appropriate regularization, and so obtain the results similar to the lattice gauge theory due to the effect of topological objects. In thi... |
0910.2661 | Wei-shui Xu | Sheng-liang Cui, Yi-hong Gao, Yunseok Seo, Sang-jin Sin and Wei-shui
Xu | Note on a non-critical holographic model with a magnetic field | 18 pages, references added and typos revised | Phys.Rev.D81:066001,2010 | 10.1103/PhysRevD.81.066001 | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider a noncritical holographic model constructed from an intersecting
brane configuration D4/$\bar{\rm{D4}}$-D4 with an external magnetic field. We
investigate the influences of this magnetic field on strongly coupled dynamics
by the gauge/gravity correspondence.
| [
{
"created": "Wed, 14 Oct 2009 16:15:15 GMT",
"version": "v1"
},
{
"created": "Sun, 15 Nov 2009 13:31:55 GMT",
"version": "v2"
},
{
"created": "Mon, 25 Jan 2010 15:55:59 GMT",
"version": "v3"
},
{
"created": "Mon, 8 Feb 2010 06:56:26 GMT",
"version": "v4"
},
{
"cr... | 2010-04-06 | [
[
"Cui",
"Sheng-liang",
""
],
[
"Gao",
"Yi-hong",
""
],
[
"Seo",
"Yunseok",
""
],
[
"Sin",
"Sang-jin",
""
],
[
"Xu",
"Wei-shui",
""
]
] | We consider a noncritical holographic model constructed from an intersecting brane configuration D4/$\bar{\rm{D4}}$-D4 with an external magnetic field. We investigate the influences of this magnetic field on strongly coupled dynamics by the gauge/gravity correspondence. |
hep-th/0210225 | Clare Dunning | Clare Dunning | Finite size effects and the supersymmetric sine-Gordon models | 14 pages, no figures. v2: small improvements and references added | J.Phys.A36:5463-5476,2003 | 10.1088/0305-4470/36/20/308 | null | hep-th | null | We propose nonlinear integral equations to describe the groundstate energy of
the fractional supersymmetric sine-Gordon models. The equations encompass the
N=1 supersymmetric sine-Gordon model as well as the phi_(id,id,adj)
perturbation of the SU(2)_L x SU(2)_K /SU(2)_(L+K) models at rational level K.
A second set of... | [
{
"created": "Wed, 23 Oct 2002 13:57:50 GMT",
"version": "v1"
},
{
"created": "Tue, 8 Apr 2003 09:16:36 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Dunning",
"Clare",
""
]
] | We propose nonlinear integral equations to describe the groundstate energy of the fractional supersymmetric sine-Gordon models. The equations encompass the N=1 supersymmetric sine-Gordon model as well as the phi_(id,id,adj) perturbation of the SU(2)_L x SU(2)_K /SU(2)_(L+K) models at rational level K. A second set of e... |
0904.3079 | Dmitri Vassilevich | D. V. Vassilevich | Diffeomorphism covariant star products and noncommutative gravity | 8 pages, v2, v3: references and comments added | Class.Quant.Grav.26:145010,2009 | 10.1088/0264-9381/26/14/145010 | ESI 2139 | hep-th gr-qc math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The use of a diffeomorphism covariant star product enables us to construct
diffeomorphism invariant gravities on noncommutative symplectic manifolds
without twisting the symmetries. As an example, we construct noncommutative
deformations of all two-dimensional dilaton gravity models thus overcoming some
difficulties ... | [
{
"created": "Mon, 20 Apr 2009 18:02:01 GMT",
"version": "v1"
},
{
"created": "Sun, 26 Apr 2009 18:23:31 GMT",
"version": "v2"
},
{
"created": "Fri, 19 Jun 2009 18:38:21 GMT",
"version": "v3"
}
] | 2011-04-14 | [
[
"Vassilevich",
"D. V.",
""
]
] | The use of a diffeomorphism covariant star product enables us to construct diffeomorphism invariant gravities on noncommutative symplectic manifolds without twisting the symmetries. As an example, we construct noncommutative deformations of all two-dimensional dilaton gravity models thus overcoming some difficulties of... |
hep-th/0302220 | Davide Fioravanti | Davide Fioravanti (U. of Durham), Marco Rossi (Heriot-Watt U.) | Exact conserved quantities on the cylinder II: off-critical case | enlarged version before sending to jurnal, second part of
hep-th/0211094 | JHEP 0308:042,2003 | 10.1088/1126-6708/2003/08/042 | null | hep-th | null | With the aim of exploring a massive model corresponding to the perturbation
of the conformal model [hep-th/0211094] the nonlinear integral equation for a
quantum system consisting of left and right KdV equations coupled on the
cylinder is derived from an integrable lattice field theory. The eigenvalues of
the energy ... | [
{
"created": "Thu, 27 Feb 2003 20:31:40 GMT",
"version": "v1"
},
{
"created": "Fri, 11 Apr 2003 17:55:58 GMT",
"version": "v2"
}
] | 2010-02-03 | [
[
"Fioravanti",
"Davide",
"",
"U. of Durham"
],
[
"Rossi",
"Marco",
"",
"Heriot-Watt U."
]
] | With the aim of exploring a massive model corresponding to the perturbation of the conformal model [hep-th/0211094] the nonlinear integral equation for a quantum system consisting of left and right KdV equations coupled on the cylinder is derived from an integrable lattice field theory. The eigenvalues of the energy an... |
2012.00223 | Yu Chen | Yu Chen | Entropy Linear Response Theory with Non-Markovian Bath | 17 pages, 6 figures | null | 10.1007/JHEP04(2021)215 | null | hep-th cond-mat.quant-gas cond-mat.str-el | http://creativecommons.org/licenses/by/4.0/ | We developed a perturbative calculation for entropy dynamics considering a
sudden coupling between a system and a bath. The theory we developed can work
in general environment without Markovian approximation. A perturbative formula
is given for bosonic environment and fermionic environment, respectively. We
find the ... | [
{
"created": "Tue, 1 Dec 2020 02:41:14 GMT",
"version": "v1"
},
{
"created": "Mon, 14 Dec 2020 16:37:35 GMT",
"version": "v2"
},
{
"created": "Sun, 20 Dec 2020 06:20:23 GMT",
"version": "v3"
}
] | 2021-05-12 | [
[
"Chen",
"Yu",
""
]
] | We developed a perturbative calculation for entropy dynamics considering a sudden coupling between a system and a bath. The theory we developed can work in general environment without Markovian approximation. A perturbative formula is given for bosonic environment and fermionic environment, respectively. We find the Re... |
1501.06571 | Antonio Amariti | Antonio Amariti and Davide Forcella and Claudius Klare and Domenico
Orlando and Susanne Reffert | The braneology of 3D dualities | 20 pages, 8 figures, published version | null | null | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we study the reduction of four-dimensional Seiberg duality to
three dimensions from a brane perspective. We reproduce the non-perturbative
dynamics of the three-dimensional field theory via a T-duality at finite radius
and the action of Euclidean D-strings. In this way we also overcome certain
issues re... | [
{
"created": "Mon, 26 Jan 2015 21:00:09 GMT",
"version": "v1"
},
{
"created": "Thu, 3 Dec 2015 01:31:25 GMT",
"version": "v2"
}
] | 2015-12-04 | [
[
"Amariti",
"Antonio",
""
],
[
"Forcella",
"Davide",
""
],
[
"Klare",
"Claudius",
""
],
[
"Orlando",
"Domenico",
""
],
[
"Reffert",
"Susanne",
""
]
] | In this paper we study the reduction of four-dimensional Seiberg duality to three dimensions from a brane perspective. We reproduce the non-perturbative dynamics of the three-dimensional field theory via a T-duality at finite radius and the action of Euclidean D-strings. In this way we also overcome certain issues rega... |
1304.5445 | Thomas Zojer | Eric A. Bergshoeff, Marija Kovacevic, Lorena Parra, Jan Rosseel, Yihao
Yin, Thomas Zojer | New Massive Supergravity and Auxiliary Fields | 31 pages; v2: minor changes, added references/published version | Class.Quant.Grav. 30 (2013) 195004 | 10.1088/0264-9381/30/19/195004 | UG-13-17 | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We construct a supersymmetric formulation of linearized New Massive Gravity
without introducing higher derivatives. Instead, we introduce
supersymmetrically a set of bosonic and fermionic auxiliary fields which, upon
elimination by their equations of motion, introduce fourth-order derivative
terms for the metric and ... | [
{
"created": "Fri, 19 Apr 2013 15:30:19 GMT",
"version": "v1"
},
{
"created": "Mon, 9 Sep 2013 10:28:02 GMT",
"version": "v2"
}
] | 2013-09-10 | [
[
"Bergshoeff",
"Eric A.",
""
],
[
"Kovacevic",
"Marija",
""
],
[
"Parra",
"Lorena",
""
],
[
"Rosseel",
"Jan",
""
],
[
"Yin",
"Yihao",
""
],
[
"Zojer",
"Thomas",
""
]
] | We construct a supersymmetric formulation of linearized New Massive Gravity without introducing higher derivatives. Instead, we introduce supersymmetrically a set of bosonic and fermionic auxiliary fields which, upon elimination by their equations of motion, introduce fourth-order derivative terms for the metric and th... |
2304.03883 | Hajar Belmahi | A. Belhaj, H. Belmahi, M. Benali, Y. Hassouni, M. B. Sedra | Deflection angle and Shadows by Black Holes in Starobinsky-Bel-Robinson
Gravity from M-theory | Latex, 27 pages, 10 figures. Authors in alphabetical order | null | null | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Motivated by M-theory compactifications, we investigate optical properties of
black holes in the Starobinsky-Bel-Robinsion gravity. Precisely, we study the
shadows and the deflection angle of light rays by non-rotating and rotating
black holes in such a novel gravity. We start by discussing the shadows of the
Schwarz... | [
{
"created": "Sat, 8 Apr 2023 01:23:36 GMT",
"version": "v1"
}
] | 2023-04-11 | [
[
"Belhaj",
"A.",
""
],
[
"Belmahi",
"H.",
""
],
[
"Benali",
"M.",
""
],
[
"Hassouni",
"Y.",
""
],
[
"Sedra",
"M. B.",
""
]
] | Motivated by M-theory compactifications, we investigate optical properties of black holes in the Starobinsky-Bel-Robinsion gravity. Precisely, we study the shadows and the deflection angle of light rays by non-rotating and rotating black holes in such a novel gravity. We start by discussing the shadows of the Schwarzsc... |
hep-th/0303160 | Matteo Bertolini | M. Bertolini | Four Lectures On The Gauge/Gravity Correspondence | LaTeX, 85 pages, 7 figures. Lectures given at SISSA/ISAS - Trieste,
December 17-20 2002 | Int.J.Mod.Phys.A18:5647-5712,2003 | 10.1142/S0217751X03016811 | NORDITA-2003/10 HE | hep-th | null | We review in a pedagogical manner some of the efforts aiming to extend the
gauge/gravity correspondence to non-conformal supersymmetric gauge theories in
four dimensions. After giving a general overview, we discuss in detail two
specific examples: fractional D-branes on orbifolds and D-branes wrapped on
supersymmetri... | [
{
"created": "Tue, 18 Mar 2003 19:12:51 GMT",
"version": "v1"
},
{
"created": "Fri, 16 May 2003 16:54:00 GMT",
"version": "v2"
},
{
"created": "Tue, 5 Aug 2003 09:27:45 GMT",
"version": "v3"
},
{
"created": "Wed, 18 May 2005 12:54:21 GMT",
"version": "v4"
}
] | 2008-11-26 | [
[
"Bertolini",
"M.",
""
]
] | We review in a pedagogical manner some of the efforts aiming to extend the gauge/gravity correspondence to non-conformal supersymmetric gauge theories in four dimensions. After giving a general overview, we discuss in detail two specific examples: fractional D-branes on orbifolds and D-branes wrapped on supersymmetric ... |
0710.1362 | Mu-In Park | Hyeong-Chan Kim, Mu-In Park, Chaiho Rim, and Jae Hyung Yee | Smeared BTZ Black Hole from Space Noncommutativity | Added notes about boundary conditions, NC curvature, and torsion;
Accepted in JHEP | JHEP 0810:060,2008 | 10.1088/1126-6708/2008/10/060 | null | hep-th gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study a novel phenomena of smearing of black hole horizons from the effect
of space noncommutativity. We present an explicit example in $AdS_3$ space,
using the Chern-Simons formulation of gravity. This produces a smeared BTZ
black hole which goes beyond the classical spacetime unexpectedly and there is
{\it no} r... | [
{
"created": "Sat, 6 Oct 2007 13:41:18 GMT",
"version": "v1"
},
{
"created": "Sat, 2 Feb 2008 05:49:33 GMT",
"version": "v2"
},
{
"created": "Wed, 20 Aug 2008 00:06:07 GMT",
"version": "v3"
},
{
"created": "Sat, 11 Oct 2008 08:04:31 GMT",
"version": "v4"
}
] | 2010-02-03 | [
[
"Kim",
"Hyeong-Chan",
""
],
[
"Park",
"Mu-In",
""
],
[
"Rim",
"Chaiho",
""
],
[
"Yee",
"Jae Hyung",
""
]
] | We study a novel phenomena of smearing of black hole horizons from the effect of space noncommutativity. We present an explicit example in $AdS_3$ space, using the Chern-Simons formulation of gravity. This produces a smeared BTZ black hole which goes beyond the classical spacetime unexpectedly and there is {\it no} rea... |
2305.19345 | Alexios P. Polychronakos | Alexios P. Polychronakos and Konstantinos Sfetsos | Composing arbitrarily many $SU(N)$ fundamentals | Additional derivations and material, version published in Nucl. Phys.
B; 25 pages, no figures | Nucl. Phys. B, 994 (2023), 116314 | 10.1016/j.nuclphysb.2023.116314 | CERN-TH-2023-085 | hep-th cond-mat.stat-mech math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We compute the multiplicity of the irreducible representations in the
decomposition of the tensor product of an arbitrary number $n$ of fundamental
representations of $SU(N)$, and we identify a duality in the representation
content of this decomposition. Our method utilizes the mapping of the
representations of $SU(N... | [
{
"created": "Tue, 30 May 2023 18:13:07 GMT",
"version": "v1"
},
{
"created": "Mon, 5 Jun 2023 19:09:48 GMT",
"version": "v2"
},
{
"created": "Tue, 29 Aug 2023 18:38:46 GMT",
"version": "v3"
}
] | 2023-08-31 | [
[
"Polychronakos",
"Alexios P.",
""
],
[
"Sfetsos",
"Konstantinos",
""
]
] | We compute the multiplicity of the irreducible representations in the decomposition of the tensor product of an arbitrary number $n$ of fundamental representations of $SU(N)$, and we identify a duality in the representation content of this decomposition. Our method utilizes the mapping of the representations of $SU(N)$... |
1401.1218 | Stephan Stieberger | Stephan Stieberger and Tomasz R. Taylor | Closed String Amplitudes as Single-Valued Open String Amplitudes | 25 pages, harvmac | null | 10.1016/j.nuclphysb.2014.02.005 | MPP-2014-001 | hep-th math.NT | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show that the single trace heterotic N-point tree-level gauge amplitude
A_HET can be obtained from the corresponding type I amplitude A_I by the
single-valued (sv) projection: A_HET=sv(A_I). This projection maps multiple
zeta values to single-valued multiple zeta values. The latter represent a
subclass of multiple... | [
{
"created": "Mon, 6 Jan 2014 21:00:10 GMT",
"version": "v1"
}
] | 2015-06-18 | [
[
"Stieberger",
"Stephan",
""
],
[
"Taylor",
"Tomasz R.",
""
]
] | We show that the single trace heterotic N-point tree-level gauge amplitude A_HET can be obtained from the corresponding type I amplitude A_I by the single-valued (sv) projection: A_HET=sv(A_I). This projection maps multiple zeta values to single-valued multiple zeta values. The latter represent a subclass of multiple z... |
hep-th/0701255 | Hristu Culetu | Hristu Culetu | On The Black Hole Interior Spacetime | 6 pages,one reference added, minor changes, no figures | Int.J.Mod.Phys.A24:1593-1597,2009 | 10.1142/S0217751X09045066 | null | hep-th astro-ph | null | A new version of the geometry inside a black hole is proposed, on the grounds
of an idea given by Doran et al. The spacetime is still time dependent and is a
solution of Einstein's equations with a stress tensor corresponding to an
anisotropic fluid. The energy density of the fluid is proportional to $1/t^{2}$
as in ... | [
{
"created": "Sat, 27 Jan 2007 17:12:35 GMT",
"version": "v1"
},
{
"created": "Wed, 7 Mar 2007 14:20:38 GMT",
"version": "v2"
}
] | 2009-04-24 | [
[
"Culetu",
"Hristu",
""
]
] | A new version of the geometry inside a black hole is proposed, on the grounds of an idea given by Doran et al. The spacetime is still time dependent and is a solution of Einstein's equations with a stress tensor corresponding to an anisotropic fluid. The energy density of the fluid is proportional to $1/t^{2}$ as in ma... |
hep-th/0302196 | Yutaka Sakamura | Yutaka Sakamura | Modified mode-expansion on a BPS wall related to the nonlinear
realization | LaTeX file, 21 pages, no figures | JHEP 0304 (2003) 008 | 10.1088/1126-6708/2003/04/008 | TU-681 | hep-th | null | We propose a modified mode-expansion of the bulk fields in a BPS domain wall
background to obtain the effective theory on the wall. The broken SUSY is
nonlinearly realized on each mode defined by our mode-expansion. Our work
clarifies a relation between two different approaches to derive the effective
theory on a BPS... | [
{
"created": "Tue, 25 Feb 2003 12:14:06 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Sakamura",
"Yutaka",
""
]
] | We propose a modified mode-expansion of the bulk fields in a BPS domain wall background to obtain the effective theory on the wall. The broken SUSY is nonlinearly realized on each mode defined by our mode-expansion. Our work clarifies a relation between two different approaches to derive the effective theory on a BPS w... |
2012.01289 | Antonio Gallerati | Andr\'es Anabal\'on, Dumitru Astefanesei, David Choque, Antonio
Gallerati, Mario Trigiante | Exact holographic RG flows in extended SUGRA | 28 pages, 4 figures | JHEP 04 (2021) 053 | 10.1007/JHEP04(2021)053 | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a family of exact planar hairy neutral black hole solutions in
extended supergravity with Fayet-Iliopoulos (FI) terms. We consider a model
where the magnetic part of FI sector vanishes and obtain the superpotential at
finite temperature in analytic form. Then, we discuss the thermodynamics and
some hologra... | [
{
"created": "Wed, 2 Dec 2020 15:52:44 GMT",
"version": "v1"
},
{
"created": "Fri, 25 Dec 2020 00:59:21 GMT",
"version": "v2"
},
{
"created": "Thu, 11 Feb 2021 22:18:18 GMT",
"version": "v3"
},
{
"created": "Mon, 15 Feb 2021 12:45:26 GMT",
"version": "v4"
}
] | 2021-04-09 | [
[
"Anabalón",
"Andrés",
""
],
[
"Astefanesei",
"Dumitru",
""
],
[
"Choque",
"David",
""
],
[
"Gallerati",
"Antonio",
""
],
[
"Trigiante",
"Mario",
""
]
] | We present a family of exact planar hairy neutral black hole solutions in extended supergravity with Fayet-Iliopoulos (FI) terms. We consider a model where the magnetic part of FI sector vanishes and obtain the superpotential at finite temperature in analytic form. Then, we discuss the thermodynamics and some holograph... |
hep-th/0411114 | Matilde Marcolli | Alain Connes (College de France) and Matilde Marcolli (MPIM) | From Physics to Number Theory via Noncommutative Geometry, Part II:
Renormalization, the Riemann-Hilbert correspondence, and motivic Galois
theory | 97 pages LaTeX, 17 eps figures | null | null | null | hep-th math-ph math.AG math.MP math.NT math.QA | null | We establish a precise relation between Galois theory in its motivic form
with the mathematical theory of perturbative renormalization (in the minimal
subtraction scheme with dimensional regularization). We identify, through a
Riemann-Hilbert correspondence based on the Birkhoff decomposition and the
t'Hooft relation... | [
{
"created": "Thu, 11 Nov 2004 08:49:17 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Connes",
"Alain",
"",
"College de France"
],
[
"Marcolli",
"Matilde",
"",
"MPIM"
]
] | We establish a precise relation between Galois theory in its motivic form with the mathematical theory of perturbative renormalization (in the minimal subtraction scheme with dimensional regularization). We identify, through a Riemann-Hilbert correspondence based on the Birkhoff decomposition and the t'Hooft relations,... |
1508.03297 | {\L}ukasz Nakonieczny | Olga Czerwi\'nska, Zygmunt Lalak and {\L}ukasz Nakonieczny | Stability of the effective potential of the gauge-less top-Higgs model
in curved spacetime | 32 pages, 13 figures; version accepted for publication in JHEP | JHEP 11 (2015) 207 | 10.1007/JHEP11(2015)207 | null | hep-th gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate stability of the Higgs effective potential in curved
spacetime. To this end, we consider the gauge-less top-Higgs sector with an
additional scalar field. Explicit form of the terms proportional to the squares
of the Ricci scalar, the Ricci tensor and the Riemann tensor that arise at the
one-loop level ... | [
{
"created": "Thu, 13 Aug 2015 18:33:52 GMT",
"version": "v1"
},
{
"created": "Wed, 11 Nov 2015 06:47:56 GMT",
"version": "v2"
}
] | 2015-12-09 | [
[
"Czerwińska",
"Olga",
""
],
[
"Lalak",
"Zygmunt",
""
],
[
"Nakonieczny",
"Łukasz",
""
]
] | We investigate stability of the Higgs effective potential in curved spacetime. To this end, we consider the gauge-less top-Higgs sector with an additional scalar field. Explicit form of the terms proportional to the squares of the Ricci scalar, the Ricci tensor and the Riemann tensor that arise at the one-loop level in... |
hep-th/9504164 | Tien Kieu | T D Kieu | Quantisation without Witten Anomalies | 9 pages, latex, no figures | Mod.Phys.Lett. A11 (1996) 2601-2610 | 10.1142/S0217732396002605 | UM-P-95/39 and RCHEP-95/12 | hep-th hep-ph | null | It is argued that the gauge anomalies are only the artefacts of quantum field
theory when certain subtleties are not taken into account. With the Berry's
phase needed to satisfy certain boundary conditions of the generating path
integral, the gauge anomalies associated with homotopically nontrivial gauge
transformati... | [
{
"created": "Sun, 30 Apr 1995 14:03:46 GMT",
"version": "v1"
}
] | 2015-06-26 | [
[
"Kieu",
"T D",
""
]
] | It is argued that the gauge anomalies are only the artefacts of quantum field theory when certain subtleties are not taken into account. With the Berry's phase needed to satisfy certain boundary conditions of the generating path integral, the gauge anomalies associated with homotopically nontrivial gauge transformation... |
hep-th/9504130 | Elcio Abdalla | R. Banerjee | Bosonisation in Three-Dimensional Quantum Field Theory | plain tex, 10 pages | Phys.Lett. B358 (1995) 297-302 | 10.1016/0370-2693(95)00948-K | HD-THEP-95-17 | hep-th | null | We show in three dimensions, using functional integral techniques, the
equivalence between the partition functions of the massive Thirring model and a
gauge theory with two gauge fields, to all orders in the inverse fermion mass.
Detailed bosonisation identities, also valid to all orders in the inverse mass,
are deri... | [
{
"created": "Tue, 25 Apr 1995 15:56:31 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Banerjee",
"R.",
""
]
] | We show in three dimensions, using functional integral techniques, the equivalence between the partition functions of the massive Thirring model and a gauge theory with two gauge fields, to all orders in the inverse fermion mass. Detailed bosonisation identities, also valid to all orders in the inverse mass, are derive... |
hep-th/9807222 | Csaba Csaki | Csaba Csaki (Berkeley) | The Confining N=1 Supersymmetric Gauge Theories: a Review | 12 pages, LaTeX. Talk presented at the 3rd Workshop on Continuous
Advances in QCD, Minneapolis, MN, 16-19 April 1998. To appear in the
proceedings | null | null | LBNL-42126 | hep-th | null | We give a classification and overview of the confining N=1 supersymmetric
gauge theories. For simplicity we consider only theories based on simple gauge
groups and no tree-level superpotential. Classification of these theories can
be done according to whether or not there is a superpotential generated for the
confine... | [
{
"created": "Wed, 29 Jul 1998 19:11:17 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Csaki",
"Csaba",
"",
"Berkeley"
]
] | We give a classification and overview of the confining N=1 supersymmetric gauge theories. For simplicity we consider only theories based on simple gauge groups and no tree-level superpotential. Classification of these theories can be done according to whether or not there is a superpotential generated for the confined ... |
2202.12215 | Kaushlendra Kumar | Kaushlendra Kumar | Solutions of Yang-Mills theory in four-dimensional de Sitter space | PhD thesis; v2: Appendix D (codes) removed and linked in Resources,
minor corrections, CV added at the end | null | 10.15488/12546 | null | hep-th math-ph math.MP | http://creativecommons.org/licenses/by/4.0/ | This doctoral work deals with the analysis of some Yang-Mills solutions on
4-dimensional de Sitter space d$S_4$. The conformal equivalence of this space
with a finite Lorentzian cylinder over the 3-sphere and also with parts of
Minkowski space has recently led to the discovery of a family of rational
knotted electrom... | [
{
"created": "Thu, 24 Feb 2022 17:23:12 GMT",
"version": "v1"
},
{
"created": "Wed, 10 Aug 2022 19:57:42 GMT",
"version": "v2"
}
] | 2022-08-12 | [
[
"Kumar",
"Kaushlendra",
""
]
] | This doctoral work deals with the analysis of some Yang-Mills solutions on 4-dimensional de Sitter space d$S_4$. The conformal equivalence of this space with a finite Lorentzian cylinder over the 3-sphere and also with parts of Minkowski space has recently led to the discovery of a family of rational knotted electromag... |
1603.05262 | Oliver Schlotterer | Marcus Berg, Igor Buchberger and Oliver Schlotterer | From maximal to minimal supersymmetry in string loop amplitudes | 52 + 18 pages, v2: published version, minor simplifications in late
section 3.3 | JHEP 1704 (2017) 163 | 10.1007/JHEP04(2017)163 | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We calculate one-loop string amplitudes of open and closed strings with
N=1,2,4 supersymmetry in four and six dimensions, by compactification on
Calabi-Yau and K3 orbifolds. In particular, we develop a method to combine
contributions from all spin structures for an arbitrary number of legs at
minimal supersymmetry. E... | [
{
"created": "Wed, 16 Mar 2016 20:23:56 GMT",
"version": "v1"
},
{
"created": "Tue, 9 May 2017 14:08:10 GMT",
"version": "v2"
}
] | 2017-05-10 | [
[
"Berg",
"Marcus",
""
],
[
"Buchberger",
"Igor",
""
],
[
"Schlotterer",
"Oliver",
""
]
] | We calculate one-loop string amplitudes of open and closed strings with N=1,2,4 supersymmetry in four and six dimensions, by compactification on Calabi-Yau and K3 orbifolds. In particular, we develop a method to combine contributions from all spin structures for an arbitrary number of legs at minimal supersymmetry. Eac... |
hep-th/0512147 | Alfredo Herrera-Aguilar | Alfredo Herrera-Aguilar, Jose Oswald Tellez-Vazquez, and Joannis E.
Paschalis | Solitons via Lie-B\"acklund Transformation for 5D Low-energy String
Theory | 11 pages in latex, one reference updated, one reference corrected | Regular Chaot. Dyn. 14:526-534,2009 | 10.1134/S156035470904008X | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We apply a non-linear matrix transformation of Lie-Backlund type on a seed
soliton configuration in order to obtain a new solitonic solution in the
framework of the 5D low-energy effective field theory of the bosonic string.
The seed solution represents a stationary axisymmetric two-soliton
configuration previously c... | [
{
"created": "Tue, 13 Dec 2005 19:20:34 GMT",
"version": "v1"
},
{
"created": "Fri, 2 Oct 2009 16:51:16 GMT",
"version": "v2"
}
] | 2014-11-18 | [
[
"Herrera-Aguilar",
"Alfredo",
""
],
[
"Tellez-Vazquez",
"Jose Oswald",
""
],
[
"Paschalis",
"Joannis E.",
""
]
] | We apply a non-linear matrix transformation of Lie-Backlund type on a seed soliton configuration in order to obtain a new solitonic solution in the framework of the 5D low-energy effective field theory of the bosonic string. The seed solution represents a stationary axisymmetric two-soliton configuration previously con... |
1011.0699 | Myron Bander | Myron Bander | Anomaly breaking of de Sitter symmetry | 6 pages | null | null | UCI-TR-2010-27 | hep-th gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | To one loop order, interacting boson fields on de Sitter space have an
"infrared" anomaly that breaks the de Sitter symmetry for all vacua save the
Euclidian one. The divergence of a symmetry current at point $x$ has a non-zero
contribution at the antipodal point ${\bar x}$.
| [
{
"created": "Tue, 2 Nov 2010 18:43:01 GMT",
"version": "v1"
}
] | 2010-11-03 | [
[
"Bander",
"Myron",
""
]
] | To one loop order, interacting boson fields on de Sitter space have an "infrared" anomaly that breaks the de Sitter symmetry for all vacua save the Euclidian one. The divergence of a symmetry current at point $x$ has a non-zero contribution at the antipodal point ${\bar x}$. |
1511.05447 | Michele Cicoli | Michele Cicoli, Francesco Muia | General Analysis of Dark Radiation in Sequestered String Models | 30 pages, 5 figures | null | 10.1007/JHEP12(2015)152 | null | hep-th astro-ph.CO hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We perform a general analysis of axionic dark radiation produced from the
decay of the lightest modulus in the sequestered LARGE Volume Scenario. We
discuss several cases depending on the form of the Kahler metric for visible
sector matter fields and the mechanism responsible for achieving a de Sitter
vacuum. The lea... | [
{
"created": "Tue, 17 Nov 2015 15:57:18 GMT",
"version": "v1"
}
] | 2016-01-27 | [
[
"Cicoli",
"Michele",
""
],
[
"Muia",
"Francesco",
""
]
] | We perform a general analysis of axionic dark radiation produced from the decay of the lightest modulus in the sequestered LARGE Volume Scenario. We discuss several cases depending on the form of the Kahler metric for visible sector matter fields and the mechanism responsible for achieving a de Sitter vacuum. The leadi... |
2104.12881 | Daniele Pranzetti | Laurent Freidel, Roberto Oliveri, Daniele Pranzetti, Simone Speziale | Extended corner symmetry, charge bracket and Einstein's equations | 27 pages + Appendix, 2 figures; v3 published version | J. High Energ. Phys. 2021, 83 (2021) | 10.1007/JHEP09(2021)083 | null | hep-th gr-qc math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We develop the covariant phase space formalism allowing for non-vanishing
flux, anomalies and field dependence in the vector field generators. We
construct a charge bracket that generalizes the one introduced by Barnich and
Troessaert and includes contributions from the Lagrangian and its anomaly. This
bracket is uni... | [
{
"created": "Mon, 26 Apr 2021 21:16:45 GMT",
"version": "v1"
},
{
"created": "Thu, 24 Jun 2021 14:10:43 GMT",
"version": "v2"
},
{
"created": "Wed, 6 Oct 2021 01:33:33 GMT",
"version": "v3"
}
] | 2021-10-07 | [
[
"Freidel",
"Laurent",
""
],
[
"Oliveri",
"Roberto",
""
],
[
"Pranzetti",
"Daniele",
""
],
[
"Speziale",
"Simone",
""
]
] | We develop the covariant phase space formalism allowing for non-vanishing flux, anomalies and field dependence in the vector field generators. We construct a charge bracket that generalizes the one introduced by Barnich and Troessaert and includes contributions from the Lagrangian and its anomaly. This bracket is uniqu... |
2407.12130 | Xin-Li Sheng | Xin-Li Sheng, Francesco Becattini, Xu-Guang Huang, Zhong-Hua Zhang | Spin polarization of fermions at local equilibrium: Second-order
gradient expansion | 18 pages, 2 figures | null | null | null | hep-th hep-ph nucl-th | http://creativecommons.org/licenses/by/4.0/ | We present a calculation of the spin polarization of spin-1/2 fermions in a
relativistic fluid at local thermodynamic equilibrium at the second order in
the gradient expansion, including second-order derivatives. The second-order
derivative terms vanish if the local equilibrium hypersurface is the hyperplane
$t=const... | [
{
"created": "Tue, 16 Jul 2024 19:35:44 GMT",
"version": "v1"
}
] | 2024-07-18 | [
[
"Sheng",
"Xin-Li",
""
],
[
"Becattini",
"Francesco",
""
],
[
"Huang",
"Xu-Guang",
""
],
[
"Zhang",
"Zhong-Hua",
""
]
] | We present a calculation of the spin polarization of spin-1/2 fermions in a relativistic fluid at local thermodynamic equilibrium at the second order in the gradient expansion, including second-order derivatives. The second-order derivative terms vanish if the local equilibrium hypersurface is the hyperplane $t=const$ ... |
1512.02164 | Evgeny Davydov A | E. Davydov, D. Gal'tsov | HYM-flation: Yang-Mills cosmology with Horndeski coupling | 13 pages, 3 figures | Physics Letters B (2016) pp. 622-628 | 10.1016/j.physletb.2015.12.070 | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose new mechanism for inflation using classical SU(2) Yang-Mills (YM)
homogeneous and isotropic field non-minimally coupled to gravity via Horndeski
prescription. This is the unique generally and gauge covariant ghost-free YM
theory with the curvature-dependent action leading to second-order gravity and
Yang-M... | [
{
"created": "Mon, 7 Dec 2015 18:56:56 GMT",
"version": "v1"
}
] | 2016-01-26 | [
[
"Davydov",
"E.",
""
],
[
"Gal'tsov",
"D.",
""
]
] | We propose new mechanism for inflation using classical SU(2) Yang-Mills (YM) homogeneous and isotropic field non-minimally coupled to gravity via Horndeski prescription. This is the unique generally and gauge covariant ghost-free YM theory with the curvature-dependent action leading to second-order gravity and Yang-Mil... |
hep-th/0303012 | Yueh-Nan Chen | Jen-Chi Lee | Stringy Symmetries and Their High-energy Limit | 11 pages | null | null | null | hep-th | null | The high-energy limit of stringy symmetries, derived from the decoupling of
two types of zero-norm states in the old covariant first quantized (OCFQ)
spectrum of open bosonic string, are used to reproduce Gross's linear relations
among high-energy scattering amplitudes of different string states with the
same momenta... | [
{
"created": "Mon, 3 Mar 2003 09:01:55 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Lee",
"Jen-Chi",
""
]
] | The high-energy limit of stringy symmetries, derived from the decoupling of two types of zero-norm states in the old covariant first quantized (OCFQ) spectrum of open bosonic string, are used to reproduce Gross's linear relations among high-energy scattering amplitudes of different string states with the same momenta. ... |
hep-th/0005265 | Sergei Ketov | Sergei V. Ketov (Univ. of Maryland & ITP, Hannover) | N=1 and N=2 supersymmetric non-abelian Born-Infeld actions from
superspace | 12 pages, LaTeX; some text improvements | Phys.Lett. B491 (2000) 207-213 | 10.1016/S0370-2693(00)01011-X | UMDEPP 00-069 and ITP-UH-09/00 | hep-th | null | New non-abelian supersymmetric generalizations of the four-dimensional
Born-Infeld action are constructed in N=1 and N=2 superspace, to all orders in
the gauge superfield strength. The proposed actions are dictated by simple
(manifestly supersymmetric and gauge-covariant) non-linear constraints.
| [
{
"created": "Sat, 27 May 2000 21:19:22 GMT",
"version": "v1"
},
{
"created": "Wed, 21 Jun 2000 14:19:34 GMT",
"version": "v2"
},
{
"created": "Sat, 19 Aug 2000 19:21:11 GMT",
"version": "v3"
}
] | 2009-10-31 | [
[
"Ketov",
"Sergei V.",
"",
"Univ. of Maryland & ITP, Hannover"
]
] | New non-abelian supersymmetric generalizations of the four-dimensional Born-Infeld action are constructed in N=1 and N=2 superspace, to all orders in the gauge superfield strength. The proposed actions are dictated by simple (manifestly supersymmetric and gauge-covariant) non-linear constraints. |
1209.6563 | Max Atkin | Max R. Atkin and Stefan Zohren | CDT coupled to dimer matter: An analytical approach via tree bijections | 6 pages, 4 figures, to appear in the Proceedings of Sixth
International School on Field Theory and Gravitation 2012 (Petropolis,
Brazil). Contains new results | AIP Conf.Proc. 1483 (2012) 330-335 | 10.1063/1.4756977 | null | hep-th gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We review a recently obtained analytical solution of a restricted so-called
hard dimers model coupled to two-dimensional CDT. The combinatorial solution is
obtained via bijections of causal triangulations with dimers and decorated
trees. We show that the scaling limit of this model can also be obtained from a
multi-c... | [
{
"created": "Fri, 28 Sep 2012 16:26:56 GMT",
"version": "v1"
}
] | 2013-07-15 | [
[
"Atkin",
"Max R.",
""
],
[
"Zohren",
"Stefan",
""
]
] | We review a recently obtained analytical solution of a restricted so-called hard dimers model coupled to two-dimensional CDT. The combinatorial solution is obtained via bijections of causal triangulations with dimers and decorated trees. We show that the scaling limit of this model can also be obtained from a multi-cri... |
hep-th/0510132 | Konstadinos Sfetsos | Rafael Hernandez, Konstadinos Sfetsos and Dimitrios Zoakos | Gravity duals for the Coulomb branch of marginally deformed N=4
Yang-Mills | 43 pages, Latex, 2 figures. v2: References added. v3: small typos
corrected, published version | JHEP0603:069,2006 | 10.1088/1126-6708/2006/03/069 | null | hep-th | null | Supergravity backgrounds dual to a class of exactly marginal deformations of
N supersymmetric Yang-Mills can be constructed through an SL(2,R) sequence of
T-dualities and coordinate shifts. We apply this transformation to multicenter
solutions and derive supergravity backgrounds describing the Coulomb branch of
N=1 t... | [
{
"created": "Mon, 17 Oct 2005 07:40:21 GMT",
"version": "v1"
},
{
"created": "Tue, 25 Oct 2005 09:52:45 GMT",
"version": "v2"
},
{
"created": "Fri, 28 Apr 2006 12:47:40 GMT",
"version": "v3"
}
] | 2009-11-11 | [
[
"Hernandez",
"Rafael",
""
],
[
"Sfetsos",
"Konstadinos",
""
],
[
"Zoakos",
"Dimitrios",
""
]
] | Supergravity backgrounds dual to a class of exactly marginal deformations of N supersymmetric Yang-Mills can be constructed through an SL(2,R) sequence of T-dualities and coordinate shifts. We apply this transformation to multicenter solutions and derive supergravity backgrounds describing the Coulomb branch of N=1 the... |
2111.05675 | Nikolaos Mavromatos | Nick E. Mavromatos (Natl. Tech. U. Athens and King's College London) | Torsion in string-inspired cosmologies and the universe dark sector | 37 pages revtex, 2 pdf figures incorporated.References and Subsection
IV.C added, on potential primordial black hole effects on gravitational waves
during inflation. No effects on conclusions. Version to be published in
special issue of Universe "Beyond Riemannian Geometry in Classical and
Quantum Gravity" (Gue... | Universe 7 (2021) 12, 480 | 10.3390/universe7120480 | KCL-PH-TH/2021-80 | hep-th gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | I review several aspects of torsion in string-inspired cosmologies. In
particular, I discuss its connection with fundamental, string-model
independent, axion fields associated with the massless gravitational multiplet
of the string. I argue in favour of the role of primordial gravitational
anomalies coupled to such a... | [
{
"created": "Wed, 10 Nov 2021 13:02:05 GMT",
"version": "v1"
},
{
"created": "Sun, 14 Nov 2021 13:39:48 GMT",
"version": "v2"
},
{
"created": "Tue, 30 Nov 2021 06:51:12 GMT",
"version": "v3"
}
] | 2021-12-09 | [
[
"Mavromatos",
"Nick E.",
"",
"Natl. Tech. U. Athens and King's College London"
]
] | I review several aspects of torsion in string-inspired cosmologies. In particular, I discuss its connection with fundamental, string-model independent, axion fields associated with the massless gravitational multiplet of the string. I argue in favour of the role of primordial gravitational anomalies coupled to such axi... |
2112.01588 | Charles B. Thorn | Charles B. Thorn | String Bit Description of Antiperiodic Fermion Worldsheet Fields | 38 pages, 1 figure, typos corrected, subsection on bosonization added | null | null | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study a string bit Hamiltonian whose continuum limit describes
anti-periodic (AP) anti-commuting worldsheet fields. We calculate the amplitude
for transitions between an AP spin chain and a periodic (P) one in the
continuum limit, M-> infinity where M is the bit number of either chain. We
also numerically evaluate... | [
{
"created": "Thu, 2 Dec 2021 20:07:06 GMT",
"version": "v1"
},
{
"created": "Sun, 20 Feb 2022 18:50:33 GMT",
"version": "v2"
}
] | 2022-02-22 | [
[
"Thorn",
"Charles B.",
""
]
] | We study a string bit Hamiltonian whose continuum limit describes anti-periodic (AP) anti-commuting worldsheet fields. We calculate the amplitude for transitions between an AP spin chain and a periodic (P) one in the continuum limit, M-> infinity where M is the bit number of either chain. We also numerically evaluate t... |
hep-th/0512085 | M\'arton Kormos | M. Kormos | Boundary renormalisation group flows of unitary superconformal minimal
models | A more detailed analysis is presented. (29 pages, 16 figures) | Nucl.Phys.B744:358-379,2006 | 10.1016/j.nuclphysb.2006.03.018 | ITP Budapest Report No. 625 | hep-th | null | In this paper we investigate renormalisation group flows of supersymmetric
minimal models generated by the boundary perturbing field (\hat
G_{-1/2}\phi_{1,3}). Performing the Truncated Conformal Space Approach analysis
the emerging pattern of the flow structure is consistent with the theoretical
expectations. Accordi... | [
{
"created": "Wed, 7 Dec 2005 16:26:44 GMT",
"version": "v1"
},
{
"created": "Fri, 24 Feb 2006 15:55:31 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Kormos",
"M.",
""
]
] | In this paper we investigate renormalisation group flows of supersymmetric minimal models generated by the boundary perturbing field (\hat G_{-1/2}\phi_{1,3}). Performing the Truncated Conformal Space Approach analysis the emerging pattern of the flow structure is consistent with the theoretical expectations. According... |
0810.5666 | Dmitry Melnikov | Anatoly Dymarsky, Dmitry Melnikov and Alexander Solovyov | I-odd sector of the Klebanov-Strassler theory | 34 pages, 3 figures, 2 tables | JHEP 0905:105,2009 | 10.1088/1126-6708/2009/05/105 | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Klebanov-Strassler background is invariant under the Z_2 symmetry I,
which acts by exchanging the bi-fundamental fields A and B, accompanied by the
charge conjugation. We study the background perturbations in the I-odd sector
and find an exhaustive list of bosonic states invariant under the global
SU(2)*SU(2) sym... | [
{
"created": "Fri, 31 Oct 2008 11:41:38 GMT",
"version": "v1"
},
{
"created": "Fri, 31 Oct 2008 20:08:23 GMT",
"version": "v2"
},
{
"created": "Tue, 13 Jan 2009 11:24:08 GMT",
"version": "v3"
}
] | 2009-05-29 | [
[
"Dymarsky",
"Anatoly",
""
],
[
"Melnikov",
"Dmitry",
""
],
[
"Solovyov",
"Alexander",
""
]
] | The Klebanov-Strassler background is invariant under the Z_2 symmetry I, which acts by exchanging the bi-fundamental fields A and B, accompanied by the charge conjugation. We study the background perturbations in the I-odd sector and find an exhaustive list of bosonic states invariant under the global SU(2)*SU(2) symme... |
hep-th/0412103 | Ruth Britto | Ruth Britto, Freddy Cachazo and Bo Feng | Generalized Unitarity and One-Loop Amplitudes in N=4 Super-Yang-Mills | 36 pages, harvmac. 13 figures. v3: References added, typos fixed.
Figure 4 added. New n-gluon example with internal fermions and scalars. v4:
Footnotes 2, 4 and 6 added, acknowledgments added, minor corrections | Nucl.Phys. B725 (2005) 275-305 | 10.1016/j.nuclphysb.2005.07.014 | null | hep-th | null | One-loop amplitudes of gluons in N=4 gauge theory can be written as linear
combinations of known scalar box integrals with coefficients that are rational
functions. In this paper we show how to use generalized unitarity to basically
read off the coefficients. The generalized unitarity cuts we use are quadruple
cuts. ... | [
{
"created": "Fri, 10 Dec 2004 20:52:50 GMT",
"version": "v1"
},
{
"created": "Sun, 12 Dec 2004 23:07:05 GMT",
"version": "v2"
},
{
"created": "Fri, 17 Dec 2004 16:28:35 GMT",
"version": "v3"
},
{
"created": "Mon, 31 Jan 2005 19:47:56 GMT",
"version": "v4"
}
] | 2009-11-10 | [
[
"Britto",
"Ruth",
""
],
[
"Cachazo",
"Freddy",
""
],
[
"Feng",
"Bo",
""
]
] | One-loop amplitudes of gluons in N=4 gauge theory can be written as linear combinations of known scalar box integrals with coefficients that are rational functions. In this paper we show how to use generalized unitarity to basically read off the coefficients. The generalized unitarity cuts we use are quadruple cuts. Th... |
hep-th/9203033 | A. A. Tseytlin | A.A. Tseytlin | Cosmological solutions with dilaton and maximally symmetric space in
string theory | 34 pages --------TEX errors finally corrected------------------- | Int.J.Mod.Phys.D1:223-245,1992 | 10.1142/S0218271892000112 | DAMTP-92-15 | hep-th | null | We discuss time - dependent solutions of the leading order string effective
equations for a non-zero central charge deficit and curved maximally symmetric
space. Some regular solutions are found for the case of non-trivial
antisymmetric tensor and vector backgrounds (in various dimensions) and
negative spatial curvat... | [
{
"created": "Thu, 12 Mar 1992 00:00:30 GMT",
"version": "v1"
},
{
"created": "Thu, 21 May 1992 15:59:57 GMT",
"version": "v2"
}
] | 2009-09-17 | [
[
"Tseytlin",
"A. A.",
""
]
] | We discuss time - dependent solutions of the leading order string effective equations for a non-zero central charge deficit and curved maximally symmetric space. Some regular solutions are found for the case of non-trivial antisymmetric tensor and vector backgrounds (in various dimensions) and negative spatial curvatur... |
1101.2661 | Georgi Dvali | Gia Dvali | Classicalize or not to Classicalize? | 20 pages | null | null | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show that theories that exhibit classicalization phenomenon cease to do so
as soon as they are endowed a Wilsonian weakly-coupled UV-completion that
restores perturbative unitarity, despite the fact that such UV-completion does
not change the leading structure of the effective low-energy theory. For
example, a Chi... | [
{
"created": "Thu, 13 Jan 2011 20:30:40 GMT",
"version": "v1"
}
] | 2011-01-14 | [
[
"Dvali",
"Gia",
""
]
] | We show that theories that exhibit classicalization phenomenon cease to do so as soon as they are endowed a Wilsonian weakly-coupled UV-completion that restores perturbative unitarity, despite the fact that such UV-completion does not change the leading structure of the effective low-energy theory. For example, a Chira... |
1308.6335 | Benjamin Niehoff | Benjamin E. Niehoff | Non-Supersymmetric, Multi-Center Solutions with Topological Flux | 51 pages, 8 figures, substantial changes made to improve analysis of
orbifold groups in sections 4, 5 | null | 10.1007/JHEP10(2014)168 | null | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We find an infinite class of non-supersymmetric multi-center solutions to the
STU model in five-dimensional ungauged supergravity coupled to two vector
multiplets. The solutions are obtained by solving a system of linear equations
on a class of Ricci-scalar-flat K\"ahler manifolds studied by LeBrun. After
imposing an... | [
{
"created": "Thu, 29 Aug 2013 00:20:30 GMT",
"version": "v1"
},
{
"created": "Sat, 22 Mar 2014 06:09:25 GMT",
"version": "v2"
},
{
"created": "Thu, 3 Jul 2014 10:07:59 GMT",
"version": "v3"
}
] | 2015-06-17 | [
[
"Niehoff",
"Benjamin E.",
""
]
] | We find an infinite class of non-supersymmetric multi-center solutions to the STU model in five-dimensional ungauged supergravity coupled to two vector multiplets. The solutions are obtained by solving a system of linear equations on a class of Ricci-scalar-flat K\"ahler manifolds studied by LeBrun. After imposing an a... |
hep-th/9711120 | null | Marcus T. Grisaru, Marcia E. Knutt-Wehlau, Warren Siegel | A Superspace Normal Coordinate Derivation of the Density Formula | 16 pages, latex | Nucl.Phys. B523 (1998) 663-679 | 10.1016/S0550-3213(98)00151-5 | BRX-TH-422, ITP-SB-97-56, WATPHYS-TH-97-10 | hep-th | null | Using normal coordinate expansions we derive by purely superspace methods the
density formula giving the component action corresponding to a superspace
supergravity-matter action.
| [
{
"created": "Tue, 18 Nov 1997 01:40:52 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Grisaru",
"Marcus T.",
""
],
[
"Knutt-Wehlau",
"Marcia E.",
""
],
[
"Siegel",
"Warren",
""
]
] | Using normal coordinate expansions we derive by purely superspace methods the density formula giving the component action corresponding to a superspace supergravity-matter action. |
0708.1916 | Kourosh Nozari | Kourosh Nozari and Behnaz Fazlpour | Non-Minimal Inflation on the Warped DGP Brane | 21 pages, 11 eps figures, References added, Revised version submitted
to JCAP | JCAP 0711:006,2007 | 10.1088/1475-7516/2007/11/006 | null | hep-th | null | We construct an inflation model with inflaton non-minimally coupled to
gravity on a warped DGP brane. Using an exponential potential, we calculate
scalar power spectrum, spectral index and the running of the spectral index. We
show that for a suitable range of non-minimal coupling it is possible to exit
the inflation... | [
{
"created": "Tue, 14 Aug 2007 15:16:55 GMT",
"version": "v1"
},
{
"created": "Tue, 16 Oct 2007 12:59:11 GMT",
"version": "v2"
}
] | 2009-06-11 | [
[
"Nozari",
"Kourosh",
""
],
[
"Fazlpour",
"Behnaz",
""
]
] | We construct an inflation model with inflaton non-minimally coupled to gravity on a warped DGP brane. Using an exponential potential, we calculate scalar power spectrum, spectral index and the running of the spectral index. We show that for a suitable range of non-minimal coupling it is possible to exit the inflationar... |
0810.4554 | Steven Gubser | Steven S. Gubser and Abhinav Nellore | Low-temperature behavior of the Abelian Higgs model in anti-de Sitter
space | 17 pages, 3 figures. v2: corrected minor errors | JHEP 0904:008,2009 | 10.1088/1126-6708/2009/04/008 | PUPT-2284 | hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We explore the low-temperature behavior of the Abelian Higgs model in AdS_4,
away from the probe limit in which back-reaction of matter fields on the metric
can be neglected. Over a significant range of charges for the complex scalar,
we observe a second order phase transition at finite temperature. The
symmetry-brea... | [
{
"created": "Mon, 27 Oct 2008 01:00:43 GMT",
"version": "v1"
},
{
"created": "Mon, 26 Jan 2009 20:48:11 GMT",
"version": "v2"
}
] | 2009-04-17 | [
[
"Gubser",
"Steven S.",
""
],
[
"Nellore",
"Abhinav",
""
]
] | We explore the low-temperature behavior of the Abelian Higgs model in AdS_4, away from the probe limit in which back-reaction of matter fields on the metric can be neglected. Over a significant range of charges for the complex scalar, we observe a second order phase transition at finite temperature. The symmetry-breaki... |
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