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/9408011 | Ideal quantum gases in two dimensions | Thermodynamic properties of non-relativistic bosons and fermions in two
spatial dimensions and without interactions are derived. All the virial
coefficients are the same except for the second, for which the signs are
opposite. This results in the same specific heat for the two gases. Existing
equations of state for the... | 1994-08-02 | 2009-10-28 | [
"hep-th"
] | S. Viefers, F. Ravndal and T. Haugset |
hep-th/9408014 | Calculation of Graviton Scattering Amplitudes using String-Based Methods | Techniques based upon the string organisation of amplitudes may be used to
simplify field theory calculations. We apply these techniques to perturbative
gravity and calculate all one-loop amplitudes for four-graviton scattering with
arbitrary internal particle content. Decomposing the amplitudes into
contributions aris... | 1994-08-02 | 2009-10-28 | [
"hep-th"
] | David C. Dunbar and Paul S. Norridge |
hep-th/9408012 | On Entropy of 3-Dimensional Simplicial Complexes | We prove that the number of 3-dimensional simplicial complexes having the
spherical topology grows exponentially as a function of a volume. It is
suggested that the 3d simplicial quantum gravity has qualitatively the same
phase structure as the O(n) matrix model in the dense phase. | 1994-08-02 | 2008-02-03 | [
"hep-th"
] | D.V.Boulatov |
hep-th/9408007 | A Hierarchy of Super $w$\ Strings | It is shown that the N-extended super $w_n$\ string can be obtained as a
special class of vacua of both the N-extended super $w_{n+1}$\ string and the
(N+1)-extended super $w_n$\ string. This hierarchy of super $w$\ string
theories includes as subhierarchies both the superstring hierarchy given by
Bastianelli, Ohta and... | 1994-08-02 | 2017-02-01 | [
"hep-th"
] | Hiroshi Kunitomo, Makoto Sakaguchi and Akira Tokura |
hep-th/9408010 | One-loop corrections to the instanton transition in the two-dimensional
Abelian Higgs model | We present an evaluation of the fluctuation determinant which appears as a
prefactor in the instanton transition rate for the two-dimensional Abelian
Higgs model. The corrections are found to change the rate at most by a factor
of 2 for 0.4 < M_W/M_H < 2.0. | 1994-08-02 | 2009-10-28 | [
"hep-th",
"hep-lat",
"hep-ph"
] | J. Baacke and T. Daiber (Dortmund University) |
hep-th/9408013 | The Power of Holomorphy -- Exact Results in 4D SUSY Field Theories | Holomorphy of the superpotential and of the coefficient of the gauge kinetic
terms in supersymmetric theories lead to powerful results. They are the
underlying conceptual reason for the important non-renormalization theorems.
They also enable us to study the exact non-perturbative dynamics of these
theories. We find ex... | 1994-08-02 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | Nathan Seiberg |
hep-th/9408009 | Equivalence of the Euclidean and Wightman Field Theories | The new inversion formula for the Laplace transformation of the tempered
distributions with supports in the closed positive semiaxis is obtained. The
inverse Laplace transform of the tempered distribution is defined by means of
the limit of the special distribution constructed from this distribution. The
weak spectral ... | 1994-08-02 | 2009-10-28 | [
"hep-th"
] | Yu.M. Zinoviev |
hep-th/9408001 | Realizations of the $q$-Heisenberg and $q$-Virasoro Algebras | We give field theoretic realizations of both the $q$-Heisenberg and the
$q$-Virasoro algebra. In particular, we obtain the operator product expansions
among the current and the energy momentum tensor obtained using the Sugawara
construction. | 1994-08-01 | 2009-10-28 | [
"hep-th",
"math.QA"
] | C. H. Oh and K. Singh |
hep-th/9408002 | Unification of Spins and Charges in Grassmann Space? | In a space of d $(d > 5) $ ordinary and d Grassmann coordinates, fields
manifest in an ordinary four-dimensional subspace as spinor (1/2, 3/2), scalar,
vector or tensor fields with the corresponding charges, according to two kinds
of generators of the Lorentz transformations in the Grassmann space. Vielbeins
and spin c... | 1994-08-01 | 2009-10-28 | [
"hep-th"
] | Norma Manko\v{c} Bor\v{s}tnik |
hep-th/9408004 | The boundary sine-Gordon theory: classical and semi-classical analysis | We consider the sine-Gordon model on a half-line, with an additional
potential term of the form $-M\cos{\beta\over 2}(\varphi-\varphi_0)$ at the
boundary. We compute the classical time delay for general values of $M$,
$\beta$ and $\varphi_0$ using $\tau$-function methods and show that in the
classical limit, the method... | 1994-08-01 | 2010-11-01 | [
"hep-th"
] | H.Saleur, S.Skorik and N.P.Warner |
hep-th/9408005 | Critical Behavior of the Marinari-Parisi Model | We consider the continuum string theory corresponding to the Marinari-Parisi
supersymmetric matrix model. We argue that the world-sheet physics is exotic,
and different from any known supersymmetric string theory. The embedding
superspace coordinates become disordered on the world-sheet, but because of the
noncompactne... | 1994-08-01 | 2009-10-09 | [
"hep-th"
] | S. Chaudhuri and J. Polchinski |
hep-th/9407198 | A truly marginal deformation of SL(2,R) in a null direction | We perform a marginal deformation of the SL(2,R) WZW model in a null
direction. If we send the deformation parameter to infinity we obtain a linear
dilaton background plus two free bosons. We show in addition that such a
background can be obtained by a duality transformation of the undeformed WZW
model. In the end we i... | 1994-07-31 | 2009-10-28 | [
"hep-th"
] | Stefan Forste |
hep-th/9408003 | Principal Bundles, Connections and BRST Cohomology | We review the elementary theory of gauge fields and the Becchi-Rouet-Stora-
Tyutin symmetry in the context of differential geometry. We emphasize the
topological nature of this symmetry and discuss a double Chevalley-Eilenberg
complex for it. | 1994-07-30 | 2016-08-14 | [
"hep-th"
] | H. Garc\'ia-Compe\'an, J.M. L\'opez-Romero, M.A. Rodr\'iguez-Segura
and M. Socolovsky |
hep-th/9407197 | On a possible breaking of global N=2 supersymmetry in non-linear $\si$
models on compact K\"ahler target spaces | We analyse with the algebraic, regularisation independent, cohomological
B.R.S. methods, the renormalisability of torsionless N=2 supersymmetric
non-linear $\si$ models built on compact K\"ahler spaces. Surprisingly enough
with respect to the common wisdom, we obtain an anomaly candidate, when the
Hodge number $h^{3,0}... | 1994-07-30 | 2007-05-23 | [
"hep-th"
] | Guy Bonneau |
hep-th/9407192 | A Note on ODEs from Mirror Symmetry | We give close formulas for the counting functions of rational curves on
complete intersection Calabi-Yau manifolds in terms of special solutions of
generalized hypergeometric differential systems. For the one modulus cases we
derive a differential equation for the Mirror map, which can be viewed as a
generalization of ... | 1994-07-29 | 2007-05-23 | [
"hep-th"
] | A. Klemm, B.H. Lian, S.S. Roan and S.-T. Yau |
hep-th/9407191 | Polynomial identities of the Rogers--Ramanujan type | Presented are polynomial identities which imply generalizations of Euler and
Rogers--Ramanujan identities. Both sides of the identities can be interpreted
as generating functions of certain restricted partitions. We prove the
identities by establishing a graphical one-to-one correspondence between those
two kinds of re... | 1994-07-29 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Omar Foda and Yas-Hiro Quano |
hep-th/9407195 | The Euclidean Hopf algebra $U_q(e^N)$ and its fundamental Hilbert space
representations | We construct the Euclidean Hopf algebra $U_q(e^N)$ dual of
$Fun(\rn_q^N\lcross SO_{q^{-1}}(N))$ by realizing it as a subalgebra of the
differential algebra $\DFR$ on the quantum Euclidean space $\rn_q^N$; in fact,
we extend our previous realization \cite{fio4} of $U_{q^{-1}}(so(N))$ within
$\DFR$ through the introducti... | 1994-07-29 | 2010-11-01 | [
"hep-th",
"math.QA"
] | Gaetano Fiore |
hep-th/9407196 | Gauged Wess-Zumino terms and Equivariant Cohomology | We summarize some results obtained on the problem of gauging the Wess--Zumino
term of a d-dimensional bosonic sigma-model. We show that gauged WZ-like terms
are in one-to-one correspondence with equivariant cocycles of the target space.
By the same token, the obstructions to gauging a WZ term can be understood in
terms... | 1994-07-29 | 2009-10-28 | [
"hep-th"
] | J M Figueroa-O'Farrill and S Stanciu |
hep-th/9407193 | (3+1)-Dimensional Schwinger Terms and Non-commutative Geometry | We discuss 2-cocycles of the Lie algebra $\Map(M^3;\g)$ of smooth, compactly
supported maps on 3-dimensional manifolds $M^3$ with values in a compact,
semi-simple Lie algebra $\g$. We show by explicit calculation that the
Mickelsson-Faddeev-Shatashvili cocycle $\f{\ii}{24\pi^2}\int\trac{A\ccr{\dd
X}{\dd Y}}$ is cohomol... | 1994-07-29 | 2009-10-28 | [
"hep-th"
] | Edwin Langmann and Jouko Mickelsson |
hep-th/9407194 | Higher algebras and mesonic spectrum in two-dimensional QCD | We construct composite operators in two-dimensional bosonized QCD, which obey
a $W_\infty$ algebra, and discuss their relation to analogous objects recently
obtained in the fermionic language. A complex algebraic structure is
unravelled, supporting the idea that the model is integrable. For singlets we
find a mass spec... | 1994-07-29 | 2011-07-19 | [
"hep-th"
] | E. Abdalla and M.C.B. Abdalla |
hep-th/9407189 | Supersymmetric Integrable Hierarchies and String Theory | This thesis is roughly organized into two parts. The first one (the first
three chapters), expository in nature, attempts to place the current work in
context: at first historically, but then focusing on the Lax formalism and the
Adler--Gel'fand--Dickey scheme for hierarchies of the KdV type. The second part
(the last ... | 1994-07-28 | 2020-10-19 | [
"hep-th"
] | Sonia Stanciu |
hep-th/9407186 | An explicit construction of the quantum group in chiral WZW-models | It is shown how a chiral Wess-Zumino-Witten theory with globally defined
vertex operators and a one-to-one correspondence between fields and states can
be constructed. The Hilbert space of this theory is the direct sum of tensor
products of representations of the chiral algebra and finite dimensional
internal parameter... | 1994-07-28 | 2009-10-28 | [
"hep-th"
] | M.R. Gaberdiel |
hep-th/9407190 | N=4 Topological Strings | We show how to make a topological string theory starting from an $N=4$
superconformal theory. The critical dimension for this theory is $\hat c= 2$
($c=6$). It is shown that superstrings (in both the RNS and GS formulations)
and critical $N=2$ strings are special cases of this topological theory.
Applications for this ... | 1994-07-28 | 2009-10-28 | [
"hep-th"
] | Nathan Berkovits and Cumrun Vafa |
hep-th/9407188 | Spontaneous Breakdown of the Lorentz Invariance and the Nambu-Goldstone
Theorem | In a class of three-dimensional abelian gauge theory the Lorentz invariance
is spontaneously broken by dynamical generation of a magnetic field. An
originally topologically massive photon becomes gapless, i.e. p_0=0 at {\vec
p}=0. Indeed, the photon is the Nambu-Goldstone boson associated with the
spontaneous breaking ... | 1994-07-28 | 2007-05-23 | [
"hep-th"
] | Yutaka Hosotani |
hep-th/9407187 | Energy associated with charged dilaton black holes | It is known that certain properties of charged dilaton black holes depend on
a free parameter $\beta$ which controls the strength of the coupling of the
dilaton to the Maxwell field. We obtain the energy associated with static
spherically symmetric charged dilaton black holes for arbitrary value of the
coupling paramet... | 1994-07-28 | 2014-11-18 | [
"hep-th",
"gr-qc"
] | A. Chamorro and K. S. Virbhadra |
hep-th/9407181 | Self-dual solutions of 2+1 Einstein gravity with a negative cosmological
constant | All the causally regular geometries obtained from (2+1)-anti-de Sitter space
by identifications by isometries of the form $P \rightarrow (\exp \pi\xi) P$,
where $\xi$ is a self-dual Killing vector of $so(2,2)$, are explicitely
constructed. Their remarkable properties (Killing vectors, Killing spinors) are
listed. These... | 1994-07-27 | 2007-05-23 | [
"hep-th"
] | O. Coussaert and M. Henneaux |
hep-th/9407182 | The Fermion-Boson Mapping in Three Dimensional Quantum Field Theory | We discuss bosonization in three dimensions by establishing a connection
between the massive Thirring model and the Maxwell-Chern-Simons theory. We
show, to lowest order in inverse fermion mass, the identity between the
corresponding partition functions; from this, a bosonization identity for the
fermion current, valid... | 1994-07-27 | 2009-10-28 | [
"hep-th"
] | E.Fradkin and F.A.Schaposnik |
hep-th/9407178 | The Bosonic Structure of Fermions | We bosonize fermions by identifying their occupation numbers as the binary
digits of a Bose occupation number. Unlike other schemes, our method allows
infinitely many fermionic oscillators to be constructed from just one bosonic
oscillator. | 1994-07-27 | 2015-06-26 | [
"hep-th"
] | J.Ruan and R.J.Crewther |
hep-th/9407183 | Free Fermions and Extended Conformal Algebras | A class of algebras is constructed using free fermions and the invariant
antisymmetric tensors associated with irreducible holonomy groups. (This
version contains minor typographical corrections and some additional
references. ) | 1994-07-27 | 2014-01-21 | [
"hep-th"
] | P.S. Howe, G. Papadopoulos, P.C.West |
hep-th/9407184 | Central Extension of a New $W_\infty$ - Type Algebra | The central extension of a new infinite dimensional algebra which has both
$W_\infty$ and affine $sl(2,R)$ as subalgebras is found. The critical dimension
of the corresponding string model is $D=5$. | 1994-07-27 | 2015-06-26 | [
"hep-th"
] | M.Stoilov and R.Zaikov |
hep-th/9407177 | Quantum Gravity and Equivariant Cohomology | A procedure for obtaining correlation function densities and wavefunctionals
for quantum gravity from the Donaldson polynomial invariants of topological
quantum field theories, is given. We illustrate how our procedure may be
applied to three and four dimensional quantum gravity. Detailed expressions,
derived from \sbf... | 1994-07-27 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | R. Brooks and G. Lifschytz |
hep-th/9407180 | Towards complex(rational) powers of free fields, generalized
$\beta\gamma$ systems and non-polynomial quantum field theory | The $\beta\gamma$ system is generalized by complex(rational) powers of the
fields, which leads to a corresponding extension on the Fock space. Two
different approaches to compute the Green functions of the physical operators
are proposed. First the complex(rational) powers are defined via an integral
representation,tha... | 1994-07-27 | 2015-06-26 | [
"hep-th"
] | Oleg Andreev |
hep-th/9407185 | Low-Energy Kahler Potentials in Supersymmetric Gauge Theories with
(ALMOST) Flat Directions | We derive the supersymmetric low-energy effective theory of the D-flat
directions of a supersymmetric gauge theory. The Kahler potential of Affleck,
Dine and Seiberg is derived by applying holomorphic constraints which
manifestly maintain supersymmetry. We also present a simple procedure for
calculating all derivatives... | 1994-07-27 | 2009-09-15 | [
"hep-th",
"hep-ph"
] | Erich Poppitz and Lisa Randall |
hep-th/9407179 | Octonionic representations of Clifford algebras and triality | The theory of representations of Clifford algebras is extended to employ the
division algebra of the octonions or Cayley numbers. In particular, questions
that arise from the non-associativity and non-commutativity of this division
algebra are answered. Octonionic representations for Clifford algebras lead to
a notion ... | 1994-07-27 | 2015-06-26 | [
"hep-th",
"math.QA"
] | J\"org Schray, Corinne A. Manogue |
hep-th/9407174 | Differential Equations for Definition and Evaluation of Feynman
Integrals | It is shown that every Feynman integral can be interpreted as Green function
of some linear differential operator with constant coefficients. This
definition is equivalent to usual one but needs no regularization and
application of $R$-operation. It is argued that presented formalism is
convenient for practical calcula... | 1994-07-26 | 2016-09-06 | [
"hep-th"
] | F.A.Lunev |
hep-th/9407171 | Nonclassical Light in Interferometric Measurements | It is shown that the even and odd coherent light and other nonclassical
states of light like superposition of coherent states with different phases may
replace the squeezed light in interferometric gravitational wave detector to
increase its sensitivity. (Contribution to the Second Workshop on Harmonic
Oscillator, Coco... | 1994-07-26 | 2019-08-16 | [
"hep-th"
] | N. A. Ansari, L. Di Fiore, M.A.Man'ko, V.I.Man'ko, R. Romano, S.
Solimeno and F. Zaccaria |
hep-th/9407176 | The String Partition Function for QCD on the Torus | We study the free energy of the pure glue QCD string with a torus target
space and the gauge groups $SU(N)$ and (chiral) $U(N)$. It is highly
constrained by a strong/weak gauge coupling duality which results in modular
covariance. The string free energy is computed exactly in terms of modular
forms for worldsheet gener... | 1994-07-26 | 2007-05-23 | [
"hep-th"
] | Robert Rudd |
hep-th/9407158 | Constraints and Period Relations in Bosonic Strings at Genus-g | We examine some of the implications of implementing the usual boundary
conditions on the closed bosonic string in the hamiltonian framework. Using the
KN formalism, it is shown that at the quantum level, the resulting constraints
lead to relations among the periods of the basis 1-forms. These are compared
with those of... | 1994-07-26 | 2010-04-06 | [
"hep-th"
] | C.H. Oh and K. Singh |
hep-th/9407168 | Dynamical Flavor Symmetry Breaking by a Magnetic Field in $2+1$
Dimensions | It is shown that in $2+1$ dimensions, a constant magnetic field is a strong
catalyst of dynamical flavor symmetry breaking, leading to generating a fermion
dynamical mass even at the weakest attractive interaction between fermions. The
essence of this effect is that in a magnetic field, in $2+1$ dimensions, the
dynamic... | 1994-07-26 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | V.P.Gusynin, V.A.Miransky, and I.A.Shovkovy |
hep-th/9407169 | Calculating the Rest Tension for a Polymer of String Bits | We explore the application of approximation schemes from many body physics,
including the Hartree-Fock method and random phase approximation (RPA), to the
problem of analyzing the low energy excitations of a polymer chain made up of
bosonic string bits. We accordingly obtain an expression for the rest tension
$T_0$ of ... | 1994-07-26 | 2016-08-24 | [
"hep-th"
] | Charles B. Thorn |
hep-th/9407175 | Four Dimensional Yang - Mills Theory in Local Gauge Invariant Variables | It is presented the general method that allows to formulate 4D $SU(N)$ Yang -
Mills theory in terms of only local gauge invariant variables. For the case
N=2, that is discussed in details, this gauge invariant formulation appears to
be very similar to $ R^2 $-gravity. | 1994-07-26 | 2011-07-19 | [
"hep-th"
] | F.A.Lunev |
hep-th/9407173 | Toward One-Loop Tunneling Rates of Near-Extremal Magnetic Black Hole
Pair-Production | Pair-production of magnetic Reissner-Nordstr\"{o}m black holes (of charges
$\pm q$) was recently studied in the leading WKB approximation. Here, we
consider generic quantum fluctuations in the corresponding instanton geometry
given by the Euclidean Ernst metric, in order to simulate the behaviour of the
one-loop tunnel... | 1994-07-26 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | Piljin Yi |
hep-th/9407170 | The Lagrangian Loop Representation of Lattice U(1) Gauge Theory | It is showed how the Hamiltonian lattice $loop$ $representation$ can be cast
straightforwardly in the Lagrangian formalism. The procedure is general and
here we present the simplest case: pure compact QED. This connection has been
shaded by the non canonical character of the algebra of the fundamental loop
operators. T... | 1994-07-26 | 2011-07-19 | [
"hep-th"
] | J.M. Aroca, M.Baig and H.Fort |
hep-th/9407172 | Statistics of parametrically excited photon--added coherent states | Photon distribution function, means and dispersions are found explicitly for
the nonclassical state of light which is created from the photon--added
coherent state $\vert \alpha,m \rangle$ due to a time--dependence of the
frequency of the electromagnetic field oscillator. Generating function for
factorial momenta is ob... | 1994-07-26 | 2009-09-25 | [
"hep-th"
] | V.V.Dodonov, Ya.A.Korennoy, V.I.Man'ko, and Y.A.Muukhin |
hep-th/9407162 | Transition from SU(2)_L x SU(2)_R x U(1)_(B-L) Representation to SU(2)_L
x U(1)_Y by q-Deformation and the Corresponding Classical Breaking Term of
Chiral U(2) | The minimal Standard Model exhibits a nontrivial chiral U(2) symmetry if the
vev and the hypercharge splitting (Delta) of right-handed leptons (quarks) in a
family vanish and Q=T_0 + Y independently in each helicity sector. As a
generalization, we start with SU(2)_L x SU(2)_R x U(1)_{(B-L)} and introduce
Delta as a con... | 1994-07-25 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | R. Bonisch |
hep-th/9407160 | Dynamical Gauge Field induced by the Berry Phase Mechanism | Some part of the local gauge symmetries in the low energy region, say, lower
than GUT or the Planck energy can be an induced symmetry describable with the
holonomy fields associated with a topologically non-trivial structure of
partially compactified space. In the case where a six dimensional space is
compactified by t... | 1994-07-25 | 2010-11-01 | [
"hep-th"
] | Keiji Kikkawa and Humitaka Tamura |
hep-th/9407165 | A Class of Quantum States with Classical-like Evolution | In the framework of Nelson stochastic quantization we derive exact
non-stationary states for a class of time-dependent potentials. The
wave-packets follow a classical motion with constant dispersion. The new states
thus define a possible extension of the harmonic-oscillator coherent states to
more general potentials. A... | 1994-07-25 | 2009-10-28 | [
"hep-th",
"chao-dyn",
"cond-mat",
"nlin.CD"
] | S. De Martino, S. De Siena and F. Illuminati |
hep-th/9407161 | Anyons and Deformed Lie Algebras | We discuss the connection between anyons (particles with fractional
statistics) and deformed Lie algebras (quantum groups). After a brief review of
the main properties of anyons, we present the details of the anyonic
realization of all deformed classical Lie algebras in terms of anyonic
oscillators. The deformation par... | 1994-07-25 | 2009-09-25 | [
"hep-th"
] | Marialuisa Frau, Alberto Lerda and Stefano Sciuto |
hep-th/9407167 | Touching Random Surfaces and Liouville Gravity | Large $N$ matrix models modified by terms of the form $ g(\Tr\Phi^n)^2$
generate random surfaces which touch at isolated points. Matrix model results
indicate that, as $g$ is increased to a special value $g_t$, the string
susceptibility exponent suddenly jumps from its conventional value $\gamma$ to
${\gamma\over\gamma... | 1994-07-25 | 2016-08-24 | [
"hep-th"
] | Igor R. Klebanov |
hep-th/9407159 | The Perturbative Quantization of Gravity | A suggestion is made for quantizing gravity perturbatively, and is
illustrated for the example of a massive scalar field with gravity. | 1994-07-25 | 2007-11-15 | [
"hep-th",
"gr-qc"
] | A.Y. Shiekh |
hep-th/9407164 | Supersymmetric Field Theory from Supermatrix Models | We show that the continuum limit of one-dimensional N=2 supersymmetric matrix
models can be described by a two-dimensional interacting field theory of a
massless boson and two chiral fermions. We interpret this field theory as a
two-dimensional N=1 supersymmetric theory of two chiral superfields, in which
one of the ch... | 1994-07-25 | 2007-05-23 | [
"hep-th"
] | R. Brustein, M. Faux and B. Ovrut |
hep-th/9407166 | Random Ising Spins in Two Dimensions - A Flat Space Realization of the
KPZ Exponents | A model describing Ising spins with short range interactions moving randomly
in a plane is considered. In the presence of a hard core repulsion, which
prevents the Ising spins from overlapping, the model is analogous to a
dynamically triangulated Ising model with spins constrained to move on a flat
surface. As a functi... | 1994-07-25 | 2009-10-28 | [
"hep-th",
"cond-mat",
"hep-lat"
] | Marco Vekic, Shao Liu, and Herbert W. Hamber |
hep-th/9407163 | Towards c=0 Flows | We discuss some implications of the gravitational dressing of the
renormalization group for conformal field theories perturbed by relevant
operators. The renormalization group flows are defined with respect to the
dilatation operator associated with the $J_0^{(0)}$ mode of the $SL(2,R)$
affine algebra. We discuss the p... | 1994-07-25 | 2009-10-28 | [
"hep-th"
] | W.A. Sabra, O.A. Soloviev and S. Thomas |
hep-th/9407157 | Particle Tracks, Events and Quantum Theory | The law of track formation in cloud chambers is derived from the Liouville
equation with a simple Lindblad's type generator that describes coupling
between a quantum particle and a classical, continuous, medium of two--state
detectors. Piecewise deterministic random process (PDP) corresponding to the
Liouville equation... | 1994-07-24 | 2011-08-17 | [
"hep-th"
] | A. Jadczyk |
hep-th/9407155 | Ehlers--Harrison--Type Transformations in Dilaton--Axion Gravity | The ten--parametric internal symmetry group is found in the $D=4$
Einstein--Maxwell--Dilaton--Axion theory restricted to space--times admitting a
Killing vector field. The group includes dilaton--axion $SL(2,R)$ duality and
Harrison--type transformations which are similar to some target--space duality
boosts, but act o... | 1994-07-23 | 2014-11-18 | [
"hep-th"
] | D.V. Gal'tsov and O.V. Kechkin |
hep-th/9407152 | Superconformal current algebras and topological field theories | Topological conformal field theories based on superconformal current algebras
are constructed. The models thus obtained are the supersymmetric version of the
$G/G$ coset theories. Their topological conformal algebra is generated by
operators of dimensions $1$, $2$ and $3$ and can be regarded as an extension of
the twis... | 1994-07-23 | 2011-08-12 | [
"hep-th"
] | J.M. Isidro and A.V. Ramallo |
hep-th/9407153 | Obstructions to Gauging WZ Terms: a Symplectic Curiosity | This is an expository talk about the relation between gauging the WZ term of
a one-dimensional sigma-model with a symplectic target and the existence of an
equivariant moment mapping for symplectic group actions. The punch line is that
the obstructions for gauging coincide with the obstructions for the existence
of the... | 1994-07-23 | 2007-05-23 | [
"hep-th"
] | J.M. Figueroa-O'Farrill |
hep-th/9407154 | Conformal field theory and integrable systems associated with elliptic
curves | An elliptic version of quantum groups is proposed. It comes form the
quantization of the Knizhnik-Zamolodchikov- Bernard equation on the torus. The
relation with elliptic IRF models is explained. | 1994-07-23 | 2007-05-23 | [
"hep-th"
] | Giovanni Felder |
hep-th/9407143 | Hadron Correlators and the Structure of the Quark Propagator | The structure of the quark propagator of $QCD$ in a confining background is
not known. We make an Ansatz for it, as hinted by a particular mechanism for
confinement, and analyze its implications in the meson and baryon correlators.
We connect the various terms in the K\"allen-Lehmann representation of the
quark propaga... | 1994-07-22 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | A. Ferrando and V. Vento |
hep-th/9407150 | $B \wedge F$ Term by Spontaneous Symmetry Breaking in a generalized
Abelian Higgs Model | We show that the topological $B \wedge F$ term in $3+1$ dimensions can be
generated via spontaneous symmetry breaking in a generalized Abelian Higgs
model. Further, we also show that even in $D$ dimensions $ ( D \geq 3 ) $, a $B
\wedge F$ term gives rise to the topological massive excitations of the Abelian
gauge field... | 1994-07-22 | 2009-10-28 | [
"hep-th"
] | Pijush K. Ghosh, Avinash Khare and Prasanta K. Panigrahi |
hep-th/9407149 | Equivariant Cohomology and Gauged Bosonic sigma-Models | We re-examine the problem of gauging the Wess-Zumino term of a d-dimensional
bosonic sigma-model. We phrase this problem in terms of the equivariant
cohomology of the target space and this allows for the homological analysis of
the obstruction. As a check, we recover the obstructions of Hull and Spence and
also a gener... | 1994-07-22 | 2008-02-03 | [
"hep-th"
] | J M Figueroa-O'Farrill and S Stanciu |
hep-th/9407151 | Gravitationally Dressed Conformal Field Theory and Emergence of
Logarithmic Operators | We study correlation functions in two-dimensional conformal field theory
coupled to induced gravity in the light-cone gauge. Focussing on the fermion
four-point function, we display an unexpected non-perturbative singularity
structure: coupling to gravity {\it qualitatively} changes the perturbative
$(x_1-x_2)^{-1}(x_3... | 1994-07-22 | 2007-05-23 | [
"hep-th"
] | Adel Bilal and Ian I. Kogan |
hep-th/9407145 | Translation map in quantum principal bundles | The notion of a translation map in a quantum principal bundle is introduced.
A translation map is then used to prove that the cross sections of a quantum
fibre bundle $E(B,V,A)$ associated to a quantum principal bundle $P(B,A)$ are
in bijective correspondence with equivariant maps $V\to P$, and that a quantum
principal... | 1994-07-22 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Tomasz Brzezinski |
hep-th/9407147 | Extended Supersymmetry and Super-BF Gauge Theories | The absence of fermion kinetic terms in supersymmetric-BF gauge theories is
established. We do this by means of explicit off-shell (superspace)
constructions. As part of our study we give the superspace constraints for D=3,
N=4 super Yang-Mills along with the D=3, N=4 superconformal algebra. The puzzle
we are intereste... | 1994-07-22 | 2009-10-28 | [
"hep-th"
] | R. Brooks and S. J. Gates Jr |
hep-th/9407146 | Modified Tetrahedron Equations and Related 3D Integrable Models | Using a modified version of the tetrahedron equations we construct a new
family of $N$-state three-dimensional integrable models with commuting
two-layer transfer-matrices. We investigate a particular class of solutions to
these equations and parameterize them in terms of elliptic functions. The
corresponding models co... | 1994-07-22 | 2019-08-15 | [
"hep-th"
] | H.E. Boos, V.V. Mangazeev, S.M. Sergeev |
hep-th/9407156 | Constraint Algebras in Gauge Invariant Systems | The Hamiltonian description for a wide class of mechanical systems, having
local symmetry transformations depending on time derivatives of the gauge
parameters of arbitrary order, is constructed. The Poisson brackets of the
Hamiltonian and constraints with each other and with arbitrary function are
explicitly obtained.... | 1994-07-22 | 2015-06-26 | [
"hep-th"
] | Kh. S. Nirov |
hep-th/9407148 | Aspects of affine Toda field theory on a half line | The question of the integrability of real-coupling affine toda field theory
on a half line is discussed. It is shown, by examining low-spin conserved
charges, that the boundary conditions preserving integrability are strongly
constrained. In particular, among the cases treated so far, $e_6^{(1)}$,
$d_n^{(1)}$ and $a_n^... | 1994-07-22 | 2008-11-26 | [
"hep-th"
] | E. Corrigan P.E. Dorey and R.H. Rietdijk |
hep-th/9407139 | The QCD Trace Anomaly as a Vacuum Effect (The vacuum is a medium is the
message!) | We use arguments taken from the electrodynamics of media to deduce the QCD
trace anomaly from the expression for the vacuum energy in the presence of an
external color magnetic field. | 1994-07-21 | 2015-06-26 | [
"hep-th"
] | J. Grundberg and T. H. Hansson (Stockhom University) |
hep-th/9407141 | Extended Toda lattice hierarchy, extended two-matrix model and c=1
string theory | We show how the two--matrix model and Toda lattice hierarchy presented in a
previous paper can be solved exactly: we obtain compact formulas for
correlators of pure tachyonic states at every genus. We then extend the model
to incorporate a set of discrete states organized in finite dimensional $sl_2$
representations. W... | 1994-07-21 | 2009-10-28 | [
"hep-th"
] | L.Bonora and C.S.Xiong |
hep-th/9407136 | Strings and Loops in Event Symmetric Space-Time | Open and Closed super-string field theories are constructed in an
event-symmetric target space. The partition functions of Statistical and
Quantum models are constructed in terms of invariants defined on Lie-algebra
representations. An attractive feature of the closed string models is the
elegant unification of the spa... | 1994-07-21 | 2007-05-23 | [
"hep-th"
] | P. E. Gibbs |
hep-th/9407140 | Harmonic maps between three-spheres | It is shown that smooth maps $f: S^3 \rightarrow S^3$ contain two countable
families of harmonic representatives in the homotopy classes of degree zero and
one. | 1994-07-21 | 2008-02-03 | [
"hep-th",
"gr-qc",
"math.QA"
] | Piotr Bizo\'n |
hep-th/9407134 | The Topological CP^1 Model and the Large-N Matrix Integral | We discuss the topological $CP^1$ model which consists of the holomorphic
maps from Riemann surfaces onto $CP^1$. We construct a large-$N$ matrix model
which reproduces precisely the partition function of the $CP^1$ model at all
genera of Riemann surfaces. The action of our matrix model has the form ${\rm
Tr}\, V(M)=-2... | 1994-07-21 | 2015-06-26 | [
"hep-th"
] | T. Eguchi and S.-K. Yang |
hep-th/9407137 | A Unified Conformal Model for Fundamental Interactions without Dynamical
Higgs Field | A Higgsless model for strong, electro-weak and gravitational interactions is
proposed. This model is based on the local symmetry group SU(3)xSU(2)xU(1)xC
where C is the local conformal symmetry group. The natural minimal conformally
invariant form of total lagrangian is postulated. It contains all Standard
Model fields... | 1994-07-21 | 2009-10-28 | [
"hep-th"
] | Marek Pawlowski and Ryszard Raczka |
hep-th/9407142 | Generalized q-Oscillators and their Hopf Structures | We study the relationships among the various forms of the $q$ oscillator
algebra and consider the conditions under which it supports a Hopf structure.
We also present a generalization of this algebra together with its
corresponding Hopf structure. Its multimode extensions are also considered. | 1994-07-21 | 2009-10-28 | [
"hep-th",
"math.QA"
] | C. H. Oh and K. Singh |
hep-th/9407144 | On the High-Temperature Behaviour of the Closed Superstring | The high-temperature expansion for closed superstring one-loop free energy is
studied. The Laurent series representation is obtained and its sum is
analytically continued in order to investigate the nature of the critical
(Hagedorn) temperature. It is found that beyond this critical temperature the
statistical sum cont... | 1994-07-21 | 2009-10-28 | [
"hep-th"
] | S. Dusini and S. Zerbini |
hep-th/9407135 | The Quantum Super Yangian and Casimir Operators of $U_q(gl(M|N))$ | The quantum super Yangian $Y_q(gl(M|N))$ associated with the Perk - Schultz
solution of the Yang - Baxter equation is introduced. Its structural properties
are investigated, in particular, an extensive study of its central algebra is
carried out. A $Z_2$ graded associative algebra epimorphism $Y_q(gl(M|N))-->
U_q(gl(M|... | 1994-07-21 | 2009-10-28 | [
"hep-th"
] | R. B. Zhang |
hep-th/9407138 | Drinfel'd algebra deformations, homotopy comodules and the associahedra | The aim of this work is to construct a cohomology theory controlling the
deformations of a general Drinfel'd algebra. The task is accomplished in three
steps. The first step is the construction of a modified cobar complex adapted
to a non-coassociative comultiplication. The following two steps each involve a
new, highl... | 1994-07-21 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Martin Markl and Steve Shnider |
hep-th/9407132 | On a Bosonic-Parafermionic Realization of $U_q(\widehat{sl(2)})$ | We realize the $U_q(\widehat{sl(2)})$ current algebra at arbitrary level in
terms of one deformed free bosonic field and a pair of deformed parafermionic
fields. It is shown that the operator product expansions of these parafermionic
fields involve an infinite number of simple poles and simple zeros, which then
condens... | 1994-07-20 | 2015-06-26 | [
"hep-th"
] | A.Hamid Bougourzi and Luc Vinet |
hep-th/9407118 | Topology, Entropy and Witten Index of Dilaton Black Holes | We have found that for extreme dilaton black holes an inner boundary must be
introduced in addition to the outer boundary to give an integer value to the
Euler number. The resulting manifolds have (if one identifies imaginary time)
topology $S^1 \times R \times S^2 $ and Euler number $\chi = 0$ in contrast to
the non-e... | 1994-07-20 | 2009-09-25 | [
"hep-th",
"gr-qc"
] | G.W. Gibbons and R.E. Kallosh |
hep-th/9407128 | Integrability and duality in two-dimensional QCD | We consider bosonized $QCD_2$, and prove that after rewritting the theory in
terms of gauge invariant fields, there exists an integrability condition valid
for the quantum theory as well. Furthermore, performing a duality type
transformation we obtain an appropriate action for the description of the
strong coupling lim... | 1994-07-20 | 2011-07-19 | [
"hep-th"
] | E. Abdalla and M. C. B. Abdalla |
hep-th/9407125 | The Invariant Fermion Correlator in the Schwinger Model on the Torus | We construct the gauge invariant fermion correlator in the Schwinger model on
the torus. At zero temperature, this correlator falls off with a rate given by
the Coulomb energy of an infinitely heavy charge. At high temperature, the
screening mass approaches $\pi T/2$, and this in the presence of a mass gap.
The fractio... | 1994-07-20 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | James Steele, Jacobus Verbaarschot, and Ismail Zahed |
hep-th/9407129 | Natural Symmetries of the Yang-Mills Equations | We define a natural generalized symmetry of the Yang-Mills equations as an
infinitesimal transformation of the Yang-Mills field, built in a local, gauge
invariant, and Poincar\'e invariant fashion from the Yang-Mills field strength
and its derivatives to any order, which maps solutions of the field equations
to other s... | 1994-07-20 | 2009-10-28 | [
"hep-th"
] | C. G. Torre |
hep-th/9407131 | The Conformal Points Of The Generalized Thirring Model | The conformal fixed points of the generalized Thirring model are investigated
with the help of bosonization, the large N limit and the operator product
expansion. Necessary conditions on the coupling constants for conformal
invariance are derived. | 1994-07-20 | 2009-10-28 | [
"hep-th"
] | Korkut Bardakci |
hep-th/9407133 | Magnetic Wormholes and Vertex Operators | We consider wormhole solutions in $2+1$ Euclidean dimensions. A duality
transformation is introduced to derive a new action from magnetic wormhole
action of Gupta, Hughes, Preskill and Wise. The classical solution is
presented. The vertex operators corresponding to the wormhole are derived.
Conformally coupled scalars ... | 1994-07-20 | 2009-10-28 | [
"hep-th"
] | Harvendra Singh |
hep-th/9407127 | New Link Invariants and Yang-Baxter Equation | We have new solutions to the Yang-Baxter equation, from which we have
constructed new link invariants containing more than two arbitrary parameters.
This may be regarded as a generalization of the Jones' polynomial. We have also
found another simpler invariant which discriminates only the linking structure
of knots wit... | 1994-07-20 | 2009-09-25 | [
"hep-th",
"math.QA"
] | Susumu Okubo |
hep-th/9407122 | Free Field Representation of Quantum Affine Algebra $U_q\widehat{sl_2}$
and Form Factors in Higher Spin XXZ Model | We consider the spin $k/2$ XXZ model in the antiferomagnetic regime using the
free field realization of the quantum affine algebra $\uqa$ of level $k$. We
give a free field realization of the type II $q$-vertex operator, which
describes creation and annihilation of physical particles in the model. By
taking a trace of ... | 1994-07-20 | 2009-10-28 | [
"hep-th",
"math.QA",
"nlin.SI",
"solv-int"
] | Hitoshi Konno |
hep-th/9407124 | Noncommutative symmetric functions | This paper presents a noncommutative theory of symmetric functions, based on
the notion of quasi-determinant. We begin with a formal theory, corresponding
to the case of symmetric functions in an infinite number of independent
variables. This allows us to endow the resulting algebra with a Hopf structure,
which leads t... | 1994-07-20 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Israel Gelfand, D. Krob, Alain Lascoux, B. Leclerc, V. S. Retakh,
J.-Y. Thibon |
hep-th/9407126 | On the composite fermion approach in the FQHE | FQHE is presented in the form of non-unitary singular similarity
transformation, which relates the Laughlin wave function (and its particle-hole
conjugate) to the composite quasi- particle incompressible ground state.
(ENSLAPP-A-478/94) | 1994-07-20 | 2007-05-23 | [
"hep-th"
] | M.Eliashvili |
hep-th/9407119 | A 2D Inspired 4D Theory of Gravity | Coadjoint orbits of the Virasoro and Kac-Moody algebras provide geometric
actions for matter coupled to gravity and gauge fields in two dimensions.
However, the Gauss' law constraints that arise from these actions are not
necessarily endemic to two-dimensional topologies. Indeed the constraints
associated with Yang-Mil... | 1994-07-20 | 2009-10-28 | [
"hep-th"
] | V.G.J. Rodgers |
hep-th/9407123 | Two Dimensional Quantum Chromodynamics as the Limit of Higher
Dimensional Theories | We define pure gauge $QCD$ on an infinite strip of width $L$. Techniques
similar to those used in finite $TQCD$ allow us to relate $3D$-observables to
pure $QCD_2$ behaviors. The non triviality of the $L \arrow 0$ limit is proven
and the generalization to four dimensions described. The glueball spectrum of
the theory i... | 1994-07-20 | 2009-10-28 | [
"hep-th",
"hep-lat",
"hep-ph"
] | A. Ferrando and A. Jaramillo |
hep-th/9407120 | Schwinger-Dyson Equations in 2D Induced Gravity in Covariant Gauges | We formulate the Schwinger-Dyson equations in the ladder approximation for 2D
induced quantum gravity with fermions using covariant gauges of harmonic type.
It is shown that these equations can be formulated consistently in a gauge of
Landau type (for negative cosmological constant). A numerical analysis of the
equatio... | 1994-07-20 | 2009-09-25 | [
"hep-th"
] | E. Elizalde, S.D. Odintsov and Yu.I. Shil'nov |
hep-th/9407114 | The String Theory Approach to Generalized 2D Yang-Mills Theory | We calculate the partition function of the $SU(N)$ ( and $U(N)$) generalized
$YM_2$ theory defined on an arbitrary Riemann surface. The result which is
expressed as a sum over irreducible representations generalizes the Rusakov
formula for ordinary YM_2 theory. A diagrammatic expansion of the formula
enables us to deri... | 1994-07-19 | 2009-10-28 | [
"hep-th"
] | O. Ganor, J. Sonnenschein and S. Yankielowicz |
hep-th/9407121 | A conformal scalar dyon black hole solution | An exact solution of Einstein - Maxwell - conformal scalar field equations is
given, which is a black hole solution and has three parameters: scalar charge,
electric charge, and magnetic charge. Switching off the magnetic charge
parameter yields the solution given by Bekenstein. In addition the energy of
the conformal ... | 1994-07-19 | 2009-10-28 | [
"hep-th"
] | K. S. Virbhadra and J. C. Parikh |
hep-th/9407115 | Residues in Non-Abelian Localization | In this paper we obtain an expression for the residue as it occurs in the
non-Abelian localization formula due to Jeffrey and Kirwan. This expression can
be used in cohomology computations for symplectic quotients. | 1994-07-19 | 2007-05-23 | [
"hep-th"
] | Jaap Kalkman |
hep-th/9407113 | Integrable theories that are asymptotically CFT | A series of sigma models with torsion are analysed which generate their mass
dynamically but whose ultra-violet fixed points are non-trivial conformal field
theories -- in fact SU(2) WZW models at level $k$. In contrast to the more
familiar situation of asymptotically free theories in which the fixed points
are trivial... | 1994-07-19 | 2009-10-28 | [
"hep-th"
] | Jonathan M. Evans and Timothy J. Hollowood |
hep-th/9407117 | Unified Approach to Thermodynamic Bethe Ansatz and Finite Size
Corrections for Lattice Models and Field Theories | We present a unified approach to the Thermodynamic Bethe Ansatz (TBA) for
magnetic chains and field theories that includes the finite size (and zero
temperature) calculations for lattice BA models. In all cases, the free energy
follows by quadratures from the solution of a {\bf single} non-linear integral
equation (NLI... | 1994-07-19 | 2019-08-15 | [
"hep-th",
"cond-mat",
"nlin.SI",
"solv-int"
] | C. Destri, H.J. de Vega |
hep-th/9407116 | Quantisation of a particle moving on a group manifold | The Hilbert space of a free massless particle moving on a group manifold is
studied in details using canonical quantisation. While the simplest model is
invariant under a global symmetry, $G \times G$, there is a very natural way to
``factorise" the theory so that only one copy of the global symmetry is
preserved. In t... | 1994-07-19 | 2015-06-26 | [
"hep-th"
] | Meifang Chu and Peter Goddard |
hep-th/9407105 | A Renormalized Supersymmetry in the Topological Yang-Mills Field Theory | We reconsider the algebraic BRS renormalization of Witten's topological
Yang-Mills field theory by making use of a vector supersymmetry Ward identity
which improves the finiteness properties of the model. The vector
supersymmetric structure is a common feature of several topological theories.
The most general local cou... | 1994-07-18 | 2009-10-28 | [
"hep-th"
] | A. Brandhuber, O. Moritsch, M.W. de Oliveira, O. Piguet and M. Schweda |
hep-th/9407111 | S-Duality and the Spectrum of Magnetic Monopoles in Heterotic String
Theory | We discuss the predictions of S-duality for the monopole spectrum of
four-dimensional heterotic string theory resulting from toroidal
compactification. We discuss in detail the spectrum of "H-monopoles", states
that are magnetically charged with respect to the U(1) groups arising from the
dimensional reduction of the t... | 1994-07-18 | 2007-05-23 | [
"hep-th"
] | J. P. Gauntlett and J. A. Harvey |
hep-th/9407110 | The quantum orthogonal mystery | This is (hopefully) a Latexable version of a talk given at the XXX Winter
School in Theoretical Physics at Karpacz in February 1994. It discusses the use
of non-commutative differential calculus to construct a Lie algebra of a
quantum group. Usually the result has a different dimension from the classical
Lie algebra. T... | 1994-07-18 | 2008-02-03 | [
"hep-th"
] | A.Sudbery |
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