id large_stringlengths 9 16 | title large_stringlengths 1 382 | abstract large_stringlengths 3 6.09k | publish_date date32 | update_date date32 | categories large listlengths 1 13 | authors large_stringlengths 3 62.8k |
|---|---|---|---|---|---|---|
hep-th/9412145 | Observables and Gauge Fixing in Spontaneously Broken Gauge Theories | Gauge fixing and the observable fields for both abelian and non-abelian gauge
theories with spontaneous breaking of gauge symmetry are studied. We explicitly
show that it is possible to globally fix the gauge in the broken sector and
hence construct physical fields even in the non-abelian theory. We predict that
any hi... | 1994-12-16 | 2009-10-28 | [
"hep-th"
] | Martin Lavelle and David McMullan |
hep-th/9412149 | Phase Diagram of Gross-Neveu Model at Finite Temperature, Density and
Constant Curvature | We discuss a phase structure of chiral symmetry breaking in the Gross-Neveu
model at finite temperature, density and constant curvature. The effective
potential is evaluated in the leading order of the $1/N$-expansion and in a
weak curvature approximation. The third order critical line is found on the
critical surface ... | 1994-12-16 | 2015-06-26 | [
"hep-th"
] | S. Kanemura and H.-T. Sato |
hep-th/9412150 | Black Hole Solutions in String Theory | We present two-parameter solutions of the low-energy four-dimensional
heterotic string which in the extremal limit reduce to supersymmetric monopole,
string and domain wall solutions. The effective scalar coupling to the Maxwell
field, $e^{-\alpha \phi} F_{\mu\nu} F^{\mu\nu}$, gives rise to a new string
black hole with... | 1994-12-16 | 2007-05-23 | [
"hep-th"
] | Ramzi R. Khuri |
hep-th/9412146 | Becchi-Rouet-Stora-Tyutin quantization of a soliton model in 2+1
dimensions | The Becchi-Rouet-Stora-Tyutin (BRST) method is applied to the quantization of
the solitons of the non-linear $O(3)$ model in $2+1$ dimensions. We show that
this method allows for a simple and systematic treatment of zero-modes with a
non-commuting algebra. We obtain the expression of the BRST hamiltonian and
show that ... | 1994-12-16 | 2009-10-28 | [
"hep-th"
] | J. P. Garrahan, L. M. Kruczenski, C. L. Schat, D. R. Bes and N. N.
Scoccola |
hep-th/9412144 | Entropies of Scalar Fields on Three Dimensional Black Holes | Thermodynamics of scalar fields is investigated in three dimensional black
hole backgrounds in two approaches. One is mode expansion and direct
computation of the partition sum, and the other is the Euclidean path integral
approach. We obtain a number of exact results, for example, mode functions,
Hartle-Hawking Green ... | 1994-12-16 | 2008-11-26 | [
"hep-th",
"gr-qc"
] | Ikuo Ichinose and Yuji Satoh |
hep-th/9412138 | Quantum Mechanics of Black Holes | These lectures give a pedagogical review of dilaton gravity, Hawking
radiation, the black hole information problem, and black hole pair creation.
(Lectures presented at the 1994 Trieste Summer School in High Energy Physics
and Cosmology) | 1994-12-16 | 2007-05-23 | [
"hep-th",
"gr-qc"
] | Steven B. Giddings |
hep-th/9412148 | Geometry of the transport equation in multicomponent WKB approximations | Although the WKB approximation for multicomponent systems has been
intensively studied in the literature, its geometric and global aspects are
much less well understood than in the scalar case. In this paper we give a
completely geometric derivation of the transport equation, without using local
sections and without as... | 1994-12-16 | 2015-06-26 | [
"hep-th"
] | C. Emmrich and A. Weinstein |
hep-th/9412143 | Signatures of Confinement in Axial Gauge QCD | A comparative dynamical study of axial gauge QED and QCD is presented.
Elementary excitations associated with particular field configurations are
investigated. Gluonic excitations analogous to linearly polarized photons are
shown to acquire infinite energy. Suppression of this class of excitations in
QCD results from q... | 1994-12-16 | 2015-06-26 | [
"hep-th"
] | F. Lenz, E. J. Moniz, and M. Thies (MIT and University of
Erlangen-N\"urnberg) |
hep-th/9412147 | (N,p,q) Harmonic Superspace | A family of harmonic superspaces associated with four-dimensional spacetime
is described. Some applications to supersymmetric field theories, including
supergravity, are given. | 1994-12-16 | 2009-10-28 | [
"hep-th"
] | G.G. Hartwell and P.S. Howe |
hep-th/9412128 | Bosonization of ZF Algebras: Direction Toward Deformed Virasoro Algebra | These lectures were prepared to be presented at A.A. Belavin seminar on CFT
at Landau Institute for Theoretical Physics. We review bosonization of CFT and
show how it can be applied to the studying of representations of
Zamolodchikov-Faddeev (ZF) algebras. In the bosonic construction we obtain
explicit realization of c... | 1994-12-15 | 2007-05-23 | [
"hep-th"
] | Sergei Lukyanov, Yaroslav Pugai |
hep-th/9412129 | Elementary Derivation of the Chiral Anomaly | An elementary derivation of the chiral gauge anomaly in all even dimensions
is given in terms of noncommutative traces of pseudo-differential operators. | 1994-12-15 | 2009-10-28 | [
"hep-th"
] | Edwin Langmann and Jouko Mickelsson |
hep-th/9412136 | Relativistically Covariant Symmetry in QED | We construct a relativistically covariant symmetry of QED. Previous local and
nonlocal symmetries are special cases. This generalized symmetry need not be
nilpotent, but nilpotency can be arranged with an auxiliary field and a certain
condition. The Noether charge generating the symmetry transformation is
obtained, and... | 1994-12-15 | 2009-10-28 | [
"hep-th"
] | Zhong Tang and David Finkelstein |
hep-th/9412137 | Dirac versus reduced phase space quantization | The relationship between the Dirac and reduced phase space quantizations is
investigated for spin models belonging to the class of Hamiltonian systems
having no gauge conditions. It is traced out that the two quantization methods
may give similar, or essentially different physical results, and, moreover, it
is shown th... | 1994-12-15 | 2007-05-23 | [
"hep-th"
] | Mikhail S. Plyushchay and Alexander V. Razumov |
hep-th/9412133 | Fractional Supersymmetry | A Symmetry between bosonic coordinates and some Grassmannian-type coordinates
is presented. Commuting two of these Grassmannian-type variables results in an
arbitrary phase (not just a minus sign). This symmetry is also realised at the
level of the field theory. | 1994-12-15 | 2015-06-26 | [
"hep-th",
"hep-ph"
] | Noureddine Mohammedi |
hep-th/9412135 | Solvable Models in Two-Dimensional N=2 Theories | N=2 supersymmetric field theories in two dimensions have been extensively
studied in the last few years. Many of their properties can be determined along
the whole renormalization group flow, like their coupling dependence and
soliton spectra. We discuss here several models which can be solved completely,
when the numb... | 1994-12-15 | 2007-05-23 | [
"hep-th"
] | Michele Bourdeau |
hep-th/9412130 | A New Approach to Spin and Statistics | We give an algebraic proof of the spin-statistics connection for the
parabosonic and parafermionic quantum topological charges of a theory of local
observables with a modular PCT-symmetry. The argument avoids the use of the
spinor calculus and also works in 1+2 dimensions. It is expected to be a
progress towards a gene... | 1994-12-15 | 2008-11-26 | [
"hep-th"
] | Bernd Kuckert |
hep-th/9412131 | Lectures On Black Hole Evaporation and Information Loss | Trieste Spring School Lectures describing the author's opinions about black
hole evaporation and information loss. The remnant, or cornucopion scenario for
the endpoint of Hawking evaporation is described in detail. In this picture
information can be lost to the original asymptotic observer without violating
the rules ... | 1994-12-15 | 2009-10-28 | [
"hep-th"
] | Thomas Banks (Rutgers University) |
hep-th/9412127 | Solitons, Tau-functions and Hamiltonian Reduction for Non-Abelian
Conformal Affine Toda Theories | We consider the Hamiltonian reduction of the two-loop
Wess-Zumino-Novikov-Witten model (WZNW) based on an untwisted affine Kac-Moody
algebra $\cgh$. The resulting reduced models, called {\em Generalized
Non-Abelian Conformal Affine Toda (G-CAT)}, are conformally invariant and a
wide class of them possesses soliton solu... | 1994-12-15 | 2009-10-28 | [
"hep-th"
] | L.A. Ferreira, J.L. Miramontes and J. Sanchez Guillen |
hep-th/9412132 | Massive fields dynamics in open bosonic string theory | We consider the theory of open bosonic string in massive background fields.
The general structure of renormalization is investigated. A general covariant
action for a string in background fields of the first massive level is
suggested and its symmetries are described. Equations of motion for the
background fields are o... | 1994-12-15 | 2010-11-01 | [
"hep-th"
] | I.L. Buchbinder, V.A. Krykhtin, V.D. Pershin |
hep-th/9412134 | BRST formalism for systems with higher order derivatives of gauge
parameters | For a wide class of mechanical systems, invariant under gauge transformations
with higher (arbitrary) order time derivatives of gauge parameters, the
equivalence of Lagrangian and Hamiltonian BRST formalisms is proved. It is
shown that the Ostrogradsky formalism establishes the natural rules to relate
the BFV ghost can... | 1994-12-15 | 2015-06-26 | [
"hep-th"
] | Khazret S. Nirov |
hep-th/9412126 | Lie group weight multiplicities from conformal field theory | Dominant weight multiplicities of simple Lie groups are expressed in terms of
the modular matrices of Wess-Zumino-Witten conformal field theories, and
related objects. Symmetries of the modular matrices give rise to new relations
among multiplicities. At least for some Lie groups, these new relations are
strong enough ... | 1994-12-14 | 2009-10-28 | [
"hep-th"
] | T. Gannon, C. Jakovljevic, M.A. Walton |
hep-th/9412124 | Bispectral KP Solutions and Linearization of Calogero-Moser Particle
Systems | A new construction using finite dimensional dual grassmannians is developed
to study rational and soliton solutions of the KP hierarchy. In the rational
case, properties of the tau function which are equivalent to bispectrality of
the associated wave function are identified. In particular, it is shown that
there exists... | 1994-12-14 | 2009-10-28 | [
"hep-th",
"math.QA",
"nlin.SI",
"q-alg",
"solv-int"
] | Alex Kasman (Boston University) |
hep-th/9412120 | The Continuum Limit of the Schwinger-Dyson Equations of the One and Two
Matrix Model with Finite Loop Length | We take the continuum limit of the \sdeq s of the one and two matrix model
without expanding them in the length of the loop. The resulting equations agree
with those proposed for string field theory in the temporal gauge. We find that
the loop operators are required to mix in the two matrix model case and
determine the... | 1994-12-14 | 2009-10-28 | [
"hep-th"
] | M. Ikehara |
hep-th/9412121 | Renormalization without regularization and R-operation | Definition of Feynman integrals as solutions of some well defined systems of
differential equations is proposed. This definition is equivalent to usual one
but needs no regularization and application of $R$-operation. It is argued that
proposed renormalization scheme maintains all symmetries that can be maintained
in p... | 1994-12-14 | 2007-05-23 | [
"hep-th"
] | F.A.Lunev |
hep-th/9412123 | Geometrical Properties of Conformal Field Theories Coupled to
Two-Dimensional Quantum Gravity | In this work we discuss an approach due to F. David to the geometry of world
sheets of non-critical strings in quasiclassical approximation. The
gravitational dressed conformal dimension is related to the scaling behavior of
the two-point function with respect to a distance variable. We show how this
approach reproduce... | 1994-12-14 | 2010-11-01 | [
"hep-th"
] | S. Braune, HU Berlin |
hep-th/9412118 | Modular Invariance and (Quasi)-Galois symmetry in Conformal Field Theory | A brief heuristic explanation is given of recent work with Juergen Fuchs,
Beatriz Gato-Rivera and Christoph Schweigert on the construction of modular
invariant partition functions from Galois symmetry in conformal field theory. A
generalization, which we call quasi-Galois symmetry, is also described. As an
application ... | 1994-12-14 | 2007-05-23 | [
"hep-th"
] | A.N. Schellekens (NIKHEF, Amsterdam) |
hep-th/9412125 | Pauli-Villars Regularization of Globally Supersymmetric Theories | It is shown that the one-loop ultraviolet divergences in renormalizable
supersymmetric theories can be regulated by the introduction of heavy
Pauli-Villars chiral supermultiplets, provided the generators of the gauge
group are traceless in the matter representation. The procedure is extended to
include supersymmetric g... | 1994-12-14 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | Mary K. Gaillard |
hep-th/9412119 | Solution of the Three--Anyon Problem | We solve, by separation of variables, the problem of three anyons with a
harmonic oscillator potential. The anyonic symmetry conditions from cyclic
permutations are separable in our coordinates. The conditions from two-particle
transpositions are not separable, but can be expressed as reflection symmetry
conditions on ... | 1994-12-14 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | Stefan Mashkevich, Jan Myrheim, K{\aa}re Olaussen and Ronald Rietman |
hep-th/9412122 | Multi-Hamiltonian Structure of Lotka-Volterra and Quantum Volterra
Models | We consider evolution equations of the Lotka-Volterra type, and elucidate
especially their formulation as canonical Hamiltonian systems. The general
conditions under which these equations admit several conserved quantities
(multi-Hamiltonians) are analysed. A special case, which is related to the
Liouville model on a l... | 1994-12-14 | 2016-09-06 | [
"hep-th"
] | C. Cronstrom, M. Noga |
hep-th/9412114 | The classical basis for $\kappa$-deformed Poincar\'e (super)algebra and
the second $\kappa$-deformed supersymmetric Casimir | We present here the general solution describing generators of \kdef \poin
algebra as the functions of classical \poin algebra generators as well as the
inverse formulae. Further we present analogous relations for the generators of
N=1 D=4 \kdef \poin superalgebra expressed by the classical \poin superalgebra
generators... | 1994-12-13 | 2015-06-26 | [
"hep-th"
] | P. Kosi\'nski, J. Lukierski, P. Ma\'slanka and J. Sobczyk |
hep-th/9412110 | Wilson Loops in 2D Yang Mills: Euler characters and Loop equations | We give a simple diagrammatic algorithm for writing the chiral large $N$
expansion of intersecting Wilson loops in $2D$ $SU(N)$ and $U(N) $Yang Mills
theory in terms of symmetric groups, generalizing the result of Gross and
Taylor for partition functions. We prove that these expansions compute Euler
characters of a spa... | 1994-12-13 | 2015-06-26 | [
"hep-th"
] | Sanjaye Ramgoolam |
hep-th/9412112 | Anomaly Cancellations and String Symmetries in the Effective Field
Theory | This contribution briefly describes some developments of the use of string
symmetries and anomaly cancellation mechanisms to include string loop
corrections in the construction of the low-energy effective supergravity of
superstrings. (Presented at the 27th International Conference on High Energy
Physics, Glasgow, July... | 1994-12-13 | 2016-09-06 | [
"hep-th"
] | J.-P. Derendinger |
hep-th/9412111 | On inserter regularization method | There exist certain intrinsic relations between the ultraviolet divergent
graphs and the convergent ones at the same loop order in renormalizable quantum
field theories. Whereupon we present a new method, the inserter regularization
method, to regulate those divergent graphs. In this letter, we demonstrate this
method ... | 1994-12-13 | 2007-05-23 | [
"hep-th"
] | Han-Ying Guo, Yu Cai and Hong-Bo Teng |
hep-th/9412117 | Mirror Symmetry for Calabi-Yau Hypersurfaces in Weighted P_4 and
Extensions of Landau Ginzburg Theory | Recently two groups have listed all sets of weights (k_1,...,k_5) such that
the weighted projective space P_4^{(k_1,...,k_5)} admits a transverse
Calabi-Yau hypersurface. It was noticed that the corresponding Calabi-Yau
manifolds do not form a mirror symmetric set since some 850 of the 7555
manifolds have Hodge numbers... | 1994-12-13 | 2009-10-28 | [
"hep-th",
"alg-geom",
"math.AG"
] | Philip Candelas, Xenia de la Ossa and Sheldon Katz |
hep-th/9412113 | Quantum Mechanics of the Vacuum State in Two-Dimensional QCD with
Adjoint Fermions | A study of two-dimensional QCD on a spatial circle with Majorana fermions in
the adjoint representation of the gauge groups SU(2) and SU(3) has been
performed. The main emphasis is put on the symmetry properties related to the
homotopically non-trivial gauge transformations and the discrete axial symmetry
of this model... | 1994-12-13 | 2009-10-28 | [
"hep-th"
] | F. Lenz, M. Shifman, and M. Thies (University of Erlangen-N\"urnberg) |
hep-th/9412116 | Quantum transfer matrices for discrete and continuous quasi-exactly
solvable problems | We clarify the algebraic structure of continuous and discrete quasi-exactly
solvable spectral problems by embedding them into the framework of the quantum
inverse scattering method. The quasi-exactly solvable hamiltonians in one
dimension are identified with traces of quantum monodromy matrices for specific
integrable ... | 1994-12-13 | 2014-11-18 | [
"hep-th"
] | A.V.Zabrodin |
hep-th/9412101 | Poisson homogeneous spaces | General framework for Poisson homogeneous spaces of Poisson groups is
introduced. Poisson Minkowski spaces are discussed as a particular example. | 1994-12-12 | 2007-05-23 | [
"hep-th"
] | S. Zakrzewski |
hep-th/9412100 | Extended phase space for a spinning particle | Extended phase space of an elementary (relativistic) system is introduced in
the spirit of the Souriau's definition of the `space of motions' for such
system. Our formulation is generally applicable to any homogeneous space-time
(e.g. de Sitter) and also to Poisson actions. Calculations concerning the
Minkowski case fo... | 1994-12-12 | 2009-10-28 | [
"hep-th"
] | S. Zakrzewski |
hep-th/9412094 | Endomorphism Semigroups and Lightlike Translations | Certain criteria are demonstrated for a spatial derivation of a von Neumann
algebra to generate a one-parameter semigroup of endomorphisms of that algebra.
These are then used to establish a converse to recent results of Borchers and
of Wiesbrock on certain one-parameter semigroups of endomorphisms of von
Neumann algeb... | 1994-12-12 | 2015-06-26 | [
"hep-th"
] | D. R. Davidson |
hep-th/9412093 | Complex-time path-integral formalism for quantum tunneling | The complex-time formalism is developed in the framework of the path-integral
formalism, to be used for analysis of the quantum tunneling phenomena. We show
that subleading complex-time saddle-points do not account for the right WKB
result. Instead, we develop a reduction formula, which enables us to construct
Green fu... | 1994-12-12 | 2011-07-19 | [
"hep-th"
] | Hideaki Aoyama and Toshiyuki Harano |
hep-th/9412095 | Discrete Gauge States and$w_\infty$ Charges in c=1 2d Gravity | We give a general formula for gauge states at the discrete momenta in
Liouville theory. These discrete gauge states carry the $w_\infty$ charges. As
in the case of the 26D (or 10D) string theory, they are decoupled from the
correlation functions and can be considered as the symmetry parameters in the
old covariant quan... | 1994-12-12 | 2009-10-28 | [
"hep-th"
] | Tze-Dan Chung and Jen-Chi Lee |
hep-th/9412096 | Double Scaling Limits and Catastrophes of the zerodimensional O(N)
Vector Sigma Model: The A-Series | We evaluate the partition functions in the neighbourhood of catastrophes by
saddle point integration and express them in terms of generalized Airy
functions. | 1994-12-12 | 2009-09-25 | [
"hep-th"
] | Werner Ruehl |
hep-th/9412115 | The Moduli Space of N = 2 Superconformal Field Theories | We review the structure of the moduli space of particular N = (2,2)
superconformal field theories. We restrict attention to those of particular use
in superstring compactification, namely those with central charge c = 3d for
some integer d and whose NS fields have integer U(1) charge. The cases d = 1, 2
and 3 are analy... | 1994-12-12 | 2007-05-23 | [
"hep-th"
] | Paul Aspinwall |
hep-th/9412105 | Different factorizations of the relativistic finite-difference
Schroedinger equation and q-oscillators | The concept of the one -- dimensional quantum mechanics in the relativistic
configurational space (RQM) is reviewed briefly. The Relativistic Schroedinger
equation (RSE) arising here is the finite-difference equation with the step
equal to the Compton wave length of the particle. The different generalizations
of the Di... | 1994-12-12 | 2008-02-03 | [
"hep-th"
] | R.M.Mir -- Kasimov |
hep-th/9412104 | Broken phase of the O(N) \phi^4 model in light cone quantization and 1/N
expansion | The solution of the O$(N) \phi^4$ scalar field theory in the broken phase is
given in the framework of light cone quantization and a 1/N expansion. It
involves the successive building of operator solutions to the equation of
motion and constraints including operator zero modes of the fields which are
the LC counterpart... | 1994-12-12 | 2009-10-28 | [
"hep-th"
] | A.Borderies, P. Grang\'e, E. Werner |
hep-th/9412098 | On the classical $\kappa$-particle | The dependence of velocity on momentum for the free massive particle obeying
the $\kappa $-Poincar\'{e} Poisson symmetry is calculated in terms of intrinsic
non-commuting space-time coordinates and shown to have a monotonic character,
with upper limit of velocity equal to 1. | 1994-12-12 | 2007-05-23 | [
"hep-th"
] | S. Zakrzewski |
hep-th/9412107 | Topological Structures in QCD at High ${T}$ | These days, as high energy particle colliders become unavailable for testing
speculative theoretical ideas, physicists are looking to other environments
that may provide extreme conditions where theory confronts physical reality.
One such circumstance may arise at high temperature $T$, which perhaps can be
attained in ... | 1994-12-12 | 2010-11-01 | [
"hep-th"
] | R. Jackiw |
hep-th/9412106 | Effective Tachyonic Potential in Closed String Field Theory | We calculate the effective tachyonic potential in closed string field theory
up to the quartic term in the tree approximation. This involves an elementary
four-tachyon vertex and a sum over the infinite number of Feynman graphs with
an intermediate massive state. We show that both the elementary term and the
sum can be... | 1994-12-12 | 2010-11-01 | [
"hep-th"
] | Alexander Belopolsky (MIT) |
hep-th/9412097 | Entropy of random coverings and 4D quantum gravity | We discuss the counting of minimal geodesic ball coverings of $n$-dimensional
riemannian manifolds of bounded geometry, fixed Euler characteristic and
Reidemeister torsion in a given representation of the fundamental group. This
counting bears relevance to the analysis of the continuum limit of discrete
models of quant... | 1994-12-12 | 2015-06-26 | [
"hep-th",
"gr-qc"
] | C. Bartocci, U. Bruzzo, M. Carfora and A. Marzuoli |
hep-th/9412103 | p-Adic Field Theory limit of TGD is free of UV divergences | The p-adic description of Higgs mechanism in TGD framework provides excellent
predictions for elementary particle and hadrons masses (hep-th@xxx.lanl.gov
9410058-62). The gauge group of TGD is just the gauge group of the standard
model so that it makes sense to study the p-adic counterpart of the standard
model as a ca... | 1994-12-12 | 2008-02-03 | [
"hep-th"
] | Matti Pitk\"anen |
hep-th/9412102 | The Weinberg - Faddeev solution to the problems of quantum field theory
and quantum gravity:quantum spacetime | In this paper a fundamental length is introduced into physics. This is done
in a way which respects special relativity and quantum field theory. The theory
has formal similarity to quantum field theory though its properties are far
better: divergences are got rid of. The problem of quantizing gravity is
straightforward... | 1994-12-12 | 2007-05-23 | [
"hep-th"
] | G.H.Gadiyar |
hep-th/9412109 | On the operator content of nilpotent orbifold models | Let $V$ be a simple vertex operator algebra and $G$ be a finite nilpotent
group of automorphisms of $V.$ We prove the following in this paper: (1) There
is a Galois correspondence between subgroups of $G$ and the vertex operator
subalgebras of $V$ which contain $V^G$ given by the map $H\mapsto V^H.$ (2)
Assume that for... | 1994-12-12 | 2008-02-03 | [
"hep-th",
"math.QA",
"q-alg"
] | Chongying Dong and Geoffrey Mason |
hep-th/9412099 | Poisson Poincare groups | We present almost complete list of normal forms of classical $r$-matrices on
the Poincar\'{e} group. | 1994-12-12 | 2008-02-03 | [
"hep-th",
"math.QA",
"q-alg"
] | S. Zakrzewski |
hep-th/9412108 | Spinon basis for higher level SU(2) WZW models | We propose a spinon basis for the integrable highest weight modules of
$\hsltw$ at levels $k\geq1$, and discuss the underlying Yangian symmetry.
Evaluating the characters in this spinon basis provides new quasi-particle type
expressions for the characters of these integrable modules, and explicitly
exhibits the structu... | 1994-12-12 | 2009-10-28 | [
"hep-th"
] | Peter Bouwknegt, Andreas Ludwig and Kareljan Schoutens |
hep-th/9412092 | Off--shell formulation of N = 2 Super Yang--Mills theories coupled to
matter without auxiliary fields | N=2 supersymmetric Yang--Mills theories coupled to matter are considered in
the Wess--Zumino gauge. The supersymmetries are realized nonlinearly and the
anticommutator between two susy charges gives, in addition to translations,
gauge transformations and equations of motion. The difficulties hidden in such
an algebraic... | 1994-12-11 | 2010-11-01 | [
"hep-th"
] | Nicola Maggiore |
hep-th/9412091 | Solutions of n-simplex Equation from Solutions of Braid Group
Representation | It is shown that a kind of solutions of n-simplex equation can be obtained
from representations of braid group. The symmetries in its solution space are
also discussed. | 1994-12-11 | 2009-10-28 | [
"hep-th"
] | You-Quan Li and Zhan-Ning Hu |
hep-th/9412090 | Phase transition in one-dimensional lattice gauge theories | Considering one-dimensional nonminimally-coupled lattice gauge theories, a
class of nonlocal one-dimensional systems is presented, which exhibits a phase
transition. It is shown that the transition has a latent heat, and, therefore,
is a first order phase transition. | 1994-12-10 | 2007-05-23 | [
"hep-th"
] | M. Khorrami |
hep-th/9412077 | Scaling Behavior in String Theory | In Calabi--Yau compactifications of the heterotic string there exist
quantities which are universal in the sense that they are present in every
Calabi--Yau string vacuum. It is shown that such universal characteristics
provide numerical information, in the form of scaling exponents, about the
space of ground states in ... | 1994-12-09 | 2010-11-01 | [
"hep-th"
] | Rolf Schimmrigk |
hep-th/9412089 | Discrete Gravity in One Dimension | A model for quantum gravity in one (time) dimension is discussed, based on
Regge's discrete formulation of gravity. The nature of exact continuous lattice
diffeomorphisms and the implications for a regularized gravitational measure
are examined. After introducing a massless scalar field coupled to the edge
lengths, the... | 1994-12-09 | 2009-10-28 | [
"hep-th"
] | Herbert W. Hamber and Ruth M. Williams |
hep-th/9412081 | String Quantization in Curved Spacetimes: Null String Approach | We study quantum strings in strong gravitational fields. The relevant small
parameter is $g=R_c{\sqrt T_0}$, where $R_c$ is the curvature of the spacetime
and $T_0$ is the string tension. Within our systematic expansion we obtain to
zeroth order the null string (string with zero tension), while the first order
correcti... | 1994-12-09 | 2015-06-26 | [
"hep-th"
] | H. J. de Vega, I. Giannakis, A. Nicolaidis |
hep-th/9412085 | Reconstruction of Hidden Symmetries | Representations of a group $G$ in vector spaces over a field $K$ form a
category. One can reconstruct the given group $G$ from its representations to
vector spaces as the full group of monoidal automorphisms of the underlying
functor. This is a special example of Tannaka-Krein theory. This theory was
used in recent yea... | 1994-12-09 | 2008-02-03 | [
"hep-th"
] | Bodo Pareigis |
hep-th/9412082 | Some Aspects of $q$- and $qp$-Boson Calculus | A set of compatible formulas for the Clebsch-Gordan coefficients of the
quantum algebra $U_{q}({\rm su}_2)$ is given in this paper. These formulas are
$q$-deformations of known formulas, as for instance: Wigner, van der Waerden,
and Racah formulas. They serve as starting points for deriving various
realizations of the ... | 1994-12-09 | 2007-05-23 | [
"hep-th"
] | M.R. Kibler, R.M. Asherova, and Yu.F. Smirnov |
hep-th/9412083 | Lie bialgebra contractions and quantum deformations of quasi-orthogonal
algebras | Lie bialgebra contractions are introduced and classified. A non-degenerate
coboundary bialgebra structure is implemented into all pseudo-orthogonal
algebras $so(p,q)$ starting from the one corresponding to $so(N+1)$. It allows
to introduce a set of Lie bialgebra contractions which leads to Lie bialgebras
of quasi-ortho... | 1994-12-09 | 2009-10-28 | [
"hep-th",
"math.QA",
"q-alg"
] | A. Ballesteros, N.A. Gromov, F.J. Herranz, M.A. del Olmo and M.
Santander |
hep-th/9412088 | Confined two-dimensional fermions at finite density | We introduce the chemical potential in a system of two-dimensional massless
fermions, confined to a finite region, by imposing twisted boundary conditions
in the Euclidean time direction. We explore in this simple model the
application of functional techniques which could be used in more complicated
situations. | 1994-12-09 | 2008-11-26 | [
"hep-th"
] | M. De Francia, H. Falomir, M. Loewe and E. M. Santangelo |
hep-th/9412079 | Gaugino Condensation in the Chiral and Linear Representation of the
Dilaton | String effective theories with N=1 supersymmetry in four dimensions are
subject of the discussion. Gaugino condensation in the chiral representation of
the dilaton is reviewed in the truncated formalism in the
$U_{K}(1)$-superspace. Using the supersymmetric duality of the dilaton the same
investigation is made in the l... | 1994-12-09 | 2009-10-07 | [
"hep-th"
] | Ingo Gaido and Dieter Lust |
hep-th/9412086 | The Linear Multiplet and Quantum String Effective Actions | Quantum symmetries of four-dimensional superstrings are frequently realized
in an anomaly-cancellation mode in the effective low-energy supergravity. The
massless antisymmetric tensor plays an important r\^ole in this mechanism and
the choice of its supersymmetric description, using either a chiral or a linear
multiple... | 1994-12-09 | 2007-05-23 | [
"hep-th"
] | J.-P. Derendinger (Neuchatel Univ.) |
hep-th/9412078 | Higher dimensional uniformisation and W-geometry | We formulate the uniformisation problem underlying the geometry of
W_n-gravity using the differential equation approach to W-algebras. We
construct W_n-space (analogous to superspace in supersymmetry) as an (n-1)
dimensional complex manifold using isomonodromic deformations of linear
differential equations. The W_n-man... | 1994-12-09 | 2009-10-28 | [
"hep-th"
] | Suresh Govindarajan |
hep-th/9412076 | Charged Dilaton Black Holes with a Cosmological Constant | The properties of static spherically symmetric black holes, which are either
electrically or magnetically charged, and which are coupled to the dilaton in
the presence of a cosmological constant, are considered. It is shown that such
solutions do not exist if the cosmological constant is positive (in arbitrary
spacetim... | 1994-12-09 | 2010-11-01 | [
"hep-th",
"gr-qc"
] | S.J. Poletti, J. Twamley and D.L. Wiltshire |
hep-th/9412075 | Residue Formulas for the Large k Asymptotics of Witten's Invariants of
Seifert Manifolds. The Case of SU(2) | We derive the large k asymptotics of the surgery formula for SU(2) Witten's
invariants of general Seifert manifolds. The contributions of connected
components of the moduli space of flat connections are identified. The
contributions of irreducible connections are presented in a residue form. This
form is similar to the... | 1994-12-09 | 2009-10-28 | [
"hep-th",
"math.QA",
"q-alg"
] | L. Rozansky |
hep-th/9412087 | Effective Action for High-Energy Scattering in Gravity | The multi-Regge effective action is derived directly from the linearized
gravity action. After excluding the redundant field components we separate the
fields into momentum modes and integrate over modes which correspond neither to
the kinematics of scattering nor to the one of exchanged particles. The
effective vertic... | 1994-12-09 | 2009-10-28 | [
"hep-th"
] | R. Kirschner and L. Szymanowski |
hep-th/9412080 | A Matrix Model for Random Surfaces with Dynamical Holes | A matrix model to describe dynamical loops on random planar graphs is
analyzed. It has similarities with a model studied by Kazakov, few years ago,
and the O(n) model by Kostov and collaborators. The main difference is that all
loops are coherently oriented and empty. The free energy is analytically
evaluated and the t... | 1994-12-09 | 2008-11-26 | [
"hep-th"
] | G.M.Cicuta, L.Molinari, E.Montaldi, S.Stramaglia |
hep-th/9412071 | Some Results on (0,2) Z_N Orbifold Theories with Continuous Wilson Lines | We discuss recent results on orbifold compactifications with (0,2) world
sheet supersymmetry and continuous Wilson lines, emphasizing the role of
modular symmetries. (This work is a contribution to the proceedings of the
joint US Polish Workshop on Physics from the Planck scale to the Electro-Weak
scale, Warsaw, 21.9. ... | 1994-12-08 | 2007-05-23 | [
"hep-th"
] | Gabriel Lopes Cardoso, Dieter Lust, Thomas Mohaupt |
hep-th/9412074 | Spacelike Singularities and String Theory | An interpretation of spacelike singularities in string theory uses target
space duality to relate the collapsing Schwarzschild geometry near the
singularity to an inflationary cosmology in dual variables. An appealing
picture thus results whereby gravitational collapse seeds the formation of a
new universe. | 1994-12-08 | 2010-04-06 | [
"hep-th",
"gr-qc"
] | Emil Martinec |
hep-th/9412084 | Representations of Composite Braids and Invariants for Mutant Knots and
Links in Chern-Simons Field Theories | We show that any of the new knot invariants obtained from Chern-Simons theory
based on an arbitrary non-abelian gauge group do not distinguish isotopically
inequivalent mutant knots and links. In an attempt to distinguish these knots
and links, we study Murakami (symmetrized version) $r$-strand composite braids.
Salien... | 1994-12-08 | 2009-10-28 | [
"hep-th",
"alg-geom",
"math.AG",
"math.QA",
"q-alg"
] | P. Ramadevi, T.R. Govindarajan and R.K. Kaul |
hep-th/9412073 | Differential Geometry on the Space of Connections via Graphs and
Projective Limits | In a quantum mechanical treatment of gauge theories (including general
relativity), one is led to consider a certain completion, $\agb$, of the space
$\ag$ of gauge equivalent connections. This space serves as the quantum
configuration space, or, as the space of all Euclidean histories over which one
must integrate in ... | 1994-12-08 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | Abhay Ashtekar and Jerzy Lewandowski |
hep-th/9412072 | "Separation of Variables and Hamiltonian Formulation for the Ernst
Equation" | It is shown that the vacuum Einstein equations for an arbitrary stationary
axisymmetric space-time can be completely separated by re-formulating the Ernst
equation and its associated linear system in terms of a non-autonomous
Schlesinger-type dynamical system. The conformal factor of the metric coincides
(up to some ex... | 1994-12-08 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | D. Korotkin and H. Nicolai (Hamburg University) |
hep-th/9412066 | Two-Loop Effective Action for Theories with Fermions | On the basis of a new approach proposed in our previous work we develope a
formalism for calculating of the effective action for some models containing
fermion fields. This method allows us to calculate the fermionic part of the
effective action (up to two-loop level) properly. The two-loop contribution to
the effectiv... | 1994-12-07 | 2015-06-26 | [
"hep-th"
] | B.A.Faizullaev, M.M.Musakhanov |
hep-th/9412070 | Amplification of the scattering cross section due to non-trivial
topology of the spacetime | In previous articles it was demonstrated that the total cross section of the
scattering of two light particles (zero modes of the Kaluza-Klein tower) in the
six-dimensional $\lambda \phi^{4}$ model differs significantly from the cross
section of the same process in the conventional $\lambda \phi^{4}$ theory in
four spa... | 1994-12-07 | 2014-11-18 | [
"hep-th"
] | K. Kirsten and Yu. Kubyshin |
hep-th/9412068 | Thermal Decays in a Hot Fermi Gas | We present a study of the decay of metastable states of a scalar field via
thermal activation, in the presence of a finite density of fermions. The
process we consider is the nucleation of ``{\it droplets}'' of true vacuum
inside the false one. We analyze a one-dimensional system of interacting bosons
and fermions, con... | 1994-12-07 | 2009-10-28 | [
"hep-th",
"cond-mat",
"hep-ph"
] | E.S. Fraga and C.A.A. De Carvalho |
hep-th/9412057 | On O(N)-Symmetric Gauged $\phi^6{}_{2+1}$ Theory with Chern-Simons Term | I investigate the effects of the Chern-Simons coupling on high-energy
behavior in $2+1$ dimensional U(1) gauged $\eta(\phi^\dagger\phi)^3$ theory
with a Chern-Simons term. The effective potential and the $\beta$ function for
$\eta$ are calculated to the next-to-leading order of the $1/N$ expansion as
functions of $\the... | 1994-12-07 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | S. H. Park |
hep-th/9412065 | Stochastic Tachyon Fluctuations, Marginal Deformations and Shock Waves
in String Theory | Starting with exact solutions to string theory on curved spacetimes we obtain
deformations that represent gravitational shock waves. These may exist in the
presence or absence of sources. Sources are effectively induced by a tachyon
field that randomly fluctuates around a zero condensate value. It is shown that
at the ... | 1994-12-07 | 2016-08-24 | [
"hep-th",
"gr-qc"
] | Konstadinos Sfetsos |
hep-th/9412069 | Differential Calculi on Commutative Algebras | A differential calculus on an associative algebra A is an algebraic analogue
of the calculus of differential forms on a smooth manifold. It supplies A with
a structure on which dynamics and field theory can be formulated to some extent
in very much the same way we are used to from the geometrical arena underlying
class... | 1994-12-07 | 2009-10-28 | [
"hep-th"
] | H. C. Baehr, A. Dimakis and F. M\"uller-Hoissen |
hep-th/9412060 | Quantization of the Lie Algebra SO(2N+1) and of the Lie Superalgebra
Osp(1/2N) with Preoscillator Generators | The Lie algebra $so(2n+1)$ and the Lie superalgebra $osp(1/2n)$ are quantized
in terms of $3n$ generators, called preoscillator generators. Apart from $n$
"Cartan" elements the preoscillator generators are deformed para-Fermi
operators in the case of $so(2n+1)$ and deformed para-Bose operators in the
case of $osp(1/2n)... | 1994-12-07 | 2011-04-15 | [
"hep-th"
] | Tchavdar D. Palev |
hep-th/9412063 | Asymptotic Expansions in Momenta and Masses and Calculation of Feynman
Diagrams | General results on asymptotic expansions of Feynman diagrams in momenta
and/or masses are reviewed. It is shown how they are applied for calculation of
massive diagrams. | 1994-12-07 | 2015-06-26 | [
"hep-th"
] | V.A. Smirnov |
hep-th/9412067 | Statistical Properties of Schr\"odinger Real and Imaginary Cat States | We study the Photon statistics in the superpositions of coherent states
$|\alpha\rangle$ and $|\alpha^*\rangle$ named ``Schr\"odinger real and
imaginary cat states''. The oscillatory character of photon distribution
function (PDF) emerging due to the quantum interference between the two
components is shown, and the phe... | 1994-12-07 | 2015-06-26 | [
"hep-th"
] | V.V.Dodonov, S.Yu.Kalmykov, V.I.Man'ko |
hep-th/9412061 | A Four-Dimensional Theory for Quantum Gravity with Conformal and
Nonconformal Explicit Solutions | The most general version of a renormalizable $d=4$ theory corresponding to a
dimensionless higher-derivative scalar field model in curved spacetime is
explored. The classical action of the theory contains $12$ independent
functions, which are the generalized coupling constants of the theory. We
calculate the one-loop b... | 1994-12-07 | 2010-04-06 | [
"hep-th"
] | E. Elizalde, A.G. Jacksenaev, S.D. Odintsov and I.L. Shapiro |
hep-th/9412058 | On the structure of inhomogeneous quantum groups | We investigate inhomogeneous quantum groups G built from a quantum group H
and translations. The corresponding commutation relations contain inhomogeneous
terms. Under certain conditions (which are satisfied in our study of quantum
Poincare groups [12]) we prove that our construction has correct `size', find
the R-matr... | 1994-12-07 | 2009-10-28 | [
"hep-th",
"math.QA",
"q-alg"
] | P. Podles and S.L. Woronowicz |
hep-th/9412062 | Massive Integrable Soliton Theories | Massive integrable field theories in $1+1$ dimensions are defined at the
Lagrangian level, whose classical equations of motion are related to the
``non-abelian'' Toda field equations. They can be thought of as generalizations
of the sine-Gordon and complex sine-Gordon theories. The fields of the theories
take values in... | 1994-12-07 | 2009-10-28 | [
"hep-th"
] | Timothy J. Hollowood, J. Luis Miramontes and Q-Han Park |
hep-th/9412064 | Differential Renormalization, the Action Principle and Renormalization
Group Calculations | General prescriptions of differential renormalization are presented. It is
shown that renormalization group functions are straightforwardly expressed
through some constants that naturally arise within this approach. The status of
the action principle in the framework of differential renormalization is
discussed. | 1994-12-07 | 2009-10-28 | [
"hep-th"
] | V.A. Smirnov |
hep-th/9412059 | On the classification of quantum Poincar\'e groups | Using the general theory of [10] ( hep-th 9412058 ), quantum Poincar\'e
groups (without dilatations) are described and investigated. The description
contains a set of numerical parameters which satisfy certain polynomial
equations. For most cases we solve them and give the classification of quantum
Poincar\'e groups. E... | 1994-12-07 | 2011-07-18 | [
"hep-th",
"math.QA",
"q-alg"
] | P. Podles, S. L. Woronowicz |
hep-th/9412044 | Folded Strings | Recent progress on the complete set of solutions of two dimensional classical
string theory in any curved spacetime is reviewed. When the curvature is smooth
the string solutions are deformed folded string solutions as compared to flat
spacetime folded strings that were known for 19 years. However, surprizing new
strin... | 1994-12-06 | 2015-06-26 | [
"hep-th"
] | Itzhak Bars |
hep-th/9412054 | Combinatorial constructions of modules for infinite-dimensional Lie
algebras, I. Principal subspace | This is the first of a series of papers studying combinatorial (with no
``subtractions'') bases and characters of standard modules for affine Lie
algebras, as well as various subspaces and ``coset spaces'' of these modules.
In part I we consider certain standard modules for the affine Lie algebra
$\ga,\;\g := sl(n+1,\C... | 1994-12-06 | 2008-02-03 | [
"hep-th",
"math.QA",
"q-alg"
] | Galin Georgiev (Rutgers) |
hep-th/9412053 | On a New Universal Class of Phase Transitions and Quantum Hall Effect | We study the possible phase transitions between (2+1)-dimensional abelian
Chern-Simons theories. We show that they may be described by non-unitary
rational conformal field theories with c_eff = 1. As an example we choose the
fractional quantum Hall effect and derive all its main features from the
discrete fractal struc... | 1994-12-06 | 2008-02-03 | [
"hep-th",
"cond-mat"
] | Michael Flohr |
hep-th/9412043 | S matrix of collective field theory | By applying the Lehmann-Symanzik-Zimmermann (LSZ) reduction formalism, we
study the S matrix of collective field theory in which fermi energy is larger
than the height of potential. We consider the spatially symmetric and
antisymmetric boundary conditions. The difference is that S matrices are
proportional to momenta o... | 1994-12-06 | 2009-10-28 | [
"hep-th"
] | Dae-Yup Song |
hep-th/9412050 | Generalised Point Interactions for the Radial Schrodinger Equation via
Unitary Dilations | We present an inverse scattering construction of generalised point
interactions (GPI) -- point-like objects with non-trivial scattering behaviour.
The construction is developed for single centre $S$-wave GPI models with
rational $S$-matrices, and starts from an integral transform suggested by the
scattering data. The t... | 1994-12-06 | 2009-10-28 | [
"hep-th"
] | C.J. Fewster |
hep-th/9412034 | A Note On Intrinsic Regularization Method | There exist certain intrinsic relations between the ultraviolet divergent
graphs and the convergent ones at the same loop order in renormalizable quantum
field theories. Whereupon we may establish a new method, the intrinsic
regularization method, to regulate those divergent graphs. In this note, we
present a proposal,... | 1994-12-06 | 2007-05-23 | [
"hep-th"
] | Han-Ying Guo, Yu Cai and Hong-Bo Teng |
hep-th/9412051 | RG flow in 2d field theory coupled to gravity | The renormalization group flow in two--dimensional field theories is modified
if they are coupled to gravity. Beta function coefficients are changed, the
$c$--theorem is no longer strictly valid, and flows from fixed points with
central charge $c>25$ to fixed points with $c<25$ are forbidden. This is
discussed in gener... | 1994-12-06 | 2008-02-03 | [
"hep-th"
] | Christof Schmidhuber |
hep-th/9412045 | Renormalization and Knot Theory | We investigate to what extent renormalization can be understood as an
algebraic manipulation on concatenated one-loop integrals. We find that the
resulting algebra indicates a useful connection to knot theory. | 1994-12-06 | 2008-02-03 | [
"hep-th",
"hep-ph",
"math.QA",
"q-alg"
] | Dirk Kreimer |
hep-th/9412046 | Speedup in quantum computation is associated with attenuation of
processing probability | Quantum coherence allows the computation of an arbitrary number of distinct
computational paths in parallel. Based on quantum parallelism it has been
conjectured that exponential or even larger speedups of computations are
possible. Here it is shown that, although in principle correct, any speedup is
accompanied by an ... | 1994-12-06 | 2007-05-23 | [
"hep-th",
"quant-ph"
] | K. Svozil |
hep-th/9412049 | Mass Generation in Three Dimensions | I consider the dilute monopole gas expansion of the three dimensional
Yang-Mills-Higgs system in the symmetry broken phase. The functional
determinants which occur in such an expansion are computed in the heat kernel
approximation for an arbitrary $SU(N)$ gauge group. Explicit expressions for
the gauge boson mass in th... | 1994-12-06 | 2008-02-03 | [
"hep-th"
] | M. Oleszczuk |
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