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/9406026 | What's Wrong with Anomalous Chiral Gauge Theory? | It is argued on general ground and demonstrated in the particular example of
the Chiral Schwinger Model that there is nothing wrong with apparently
anomalous chiral gauge theory. If quantised correctly, there should be no gauge
anomaly and chiral gauge theory should be renormalisable and unitary, even in
higher dimensi... | 1994-06-06 | 2011-04-15 | [
"hep-th",
"hep-lat",
"hep-ph"
] | Tien D Kieu |
hep-th/9406027 | Interaction of Low - Energy Induced Gravity with Quantized Matter and
Phase Transition Induced by Curvature | At high energy scale the only quantum effect of any asymptotic free and
asymptotically conformal invariant GUT is the trace anomaly of the
energy-momentum tensor. Anomaly generates the new degree of freedom, that is
propagating conformal factor. At lower energies conformal factor starts to
interact with scalar field be... | 1994-06-06 | 2009-02-25 | [
"hep-th"
] | I.L. Shapiro and G. Cognola |
hep-th/9406032 | Chiral Rings Do Not Suffice: N=(2,2) Theories with Nonzero Fundamental
Group | The Kahler moduli space of a particular non-simply-connected Calabi-Yau
manifold is mapped out using mirror symmetry. It is found that, for the model
considered, the chiral ring may be identical for different associated conformal
field theories. This ambiguity is explained in terms of both A-model and
B-model language.... | 1994-06-06 | 2009-10-28 | [
"hep-th",
"alg-geom",
"math.AG"
] | P.S. Aspinwall and D.R. Morrison |
hep-th/9406024 | Classical and quantum dissipation in non homogeneous environments | We generalize the oscillator model of a particle interacting with a thermal
reservoir by introducing arbitrary nonlinear couplings in the particle
coordinates.The equilibrium positions of the heat bath oscillators are promoted
to space-time functions, which are shown to represent a modulation of the
internal noise by t... | 1994-06-04 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | F. Illuminati, M. Patriarca, and P. Sodano |
hep-th/9406023 | A-Genus and the Sigma Model | This set of lecture notes presents a pedantic derivation of the connection
between the $ {\hat A} $-genus of spacetime's loop space and the genus one
partition function of the $ N=1/2 $ sigma model. It concludes with some remarks
on possible generalizations of the $ {\hat A} $-genus which follow naturally
from the `str... | 1994-06-04 | 2009-09-25 | [
"hep-th"
] | Kelly Jay Davis |
hep-th/9406015 | Massive (p,q)-supersymmetric sigma models revisited | We recently obtained the conditions on the couplings of the general
two-dimensional massive sigma-model required by (p,q)-supersymmetry. Here we
compute the Poisson bracket algebra of the supersymmetry and central Noether
charges, and show that the action is invariant under the automorphism group of
this algebra. Surpr... | 1994-06-03 | 2010-04-06 | [
"hep-th"
] | G. Papadopoulos and P.K. Townsend |
hep-th/9406012 | Summing Over World-Sheet Boundaries | The moduli associated with boundaries in a Riemann surface are parametrized
by the positions and strengths of electric charges. This suggests a method for
summing over orientable Riemann surfaces with Dirichlet boundary conditions on
the embedding coordinates. A light-cone parameterization of such boundaries is
also di... | 1994-06-03 | 2009-10-09 | [
"hep-th"
] | Michael B. Green and Joe Polchinski |
hep-th/9406022 | Finite Deformations of CFT and Spacetime Geometry | We demonstrate in detail how the space of two-dimensional quantum field
theories can be parametrized by off-shell states of a free closed string moving
in a flat background. The dynamic equation corresponding to the condition of
conformal invariance includes an infinite number of higher order terms, and we
give an expl... | 1994-06-03 | 2009-10-28 | [
"hep-th"
] | Gregory Pelts |
hep-th/9406018 | Two electrons in an external oscillator potential: hidden algebraic
structure | It is shown that the Coulomb correlation problem for a system of two
electrons (two charged particles) in an external oscillator potential possesses
a hidden $sl_2$-algebraic structure being one of recently-discovered
quasi-exactly-solvable problems. The origin of existing exact solutions to this
problem, recently disc... | 1994-06-03 | 2009-09-25 | [
"hep-th",
"cond-mat",
"gr-qc",
"hep-ph"
] | Alexander Turbiner |
hep-th/9406010 | O(N) Sigma Model as a Three Dimensional Conformal Field Theory | We study a three dimensional conformal field theory in terms of its partition
function on arbitrary curved spaces. The large $N$ limit of the nonlinear sigma
model at the non-trivial fixed point is shown to be an example of a conformal
field theory, using zeta--function regularization. We compute the critical
propertie... | 1994-06-03 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | S.Guruswamy, S.G.Rajeev and P.Vitale |
hep-th/9406014 | $N=1$, 2D-Induced Polyakov Supergravity on a Super Riemann Surface | An effective action for $N=1$, 2d-induced supergravity in the chiral gauge is
obtained on a compact super Riemann surface without boundary and of arbitrary
genus. | 1994-06-03 | 2009-09-25 | [
"hep-th"
] | H. Kachkachi |
hep-th/9406011 | A Comment on Black Hole Entropy in String Theory | In this note, we extend the string theoretic calculation of the black hole
entropy, first performed by Susskind and Uglum, away from the infinite mass
limit. It is shown that the result agrees with that obtained from the classical
action of string theory, using the Noether charge method developed by Wald.
Also shown in... | 1994-06-03 | 2009-10-28 | [
"hep-th"
] | William Nelson |
hep-th/9406007 | Operator Product Expansions in the Two-Dimensional O(N) Non-Linear Sigma
Model | The short-distance singularity of the product of a composite scalar field
that deforms a field theory and an arbitrary composite field can be expressed
geometrically by the beta functions, anomalous dimensions, and a connection on
the theory space. Using this relation, we compute the connection perturbatively
for the O... | 1994-06-03 | 2009-10-28 | [
"hep-th"
] | Hidenori Sonoda and Wang-Chang Su |
hep-th/9406020 | Spinon Bases, Yangian Symmetry and Fermionic Representations of Virasoro
Characters in Conformal Field Theory | We study the description of the $SU(2)$, level $k=1$, Wess-Zumino-Witten
conformal field theory in terms of the modes of the spin-1/2 affine primary
field $\phi^\alpha$. These are shown to satisfy generalized `canonical
commutation relations', which we use to construct a basis of Hilbert space in
terms of representatio... | 1994-06-03 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | P. Bouwknegt, A.W.W. Ludwig and K. Schoutens |
hep-th/9406008 | Mirror Symmetry Constructions: A Review | We review various constructions of mirror symmetry in terms of
Landau-Ginzburg orbifolds for arbitrary central charge $c$ and \CY\
hypersurfaces and complete intersections in toric varieties. In particular it
is shown how the different techniques are related | 1994-06-03 | 2008-02-03 | [
"hep-th",
"alg-geom",
"math.AG"
] | P. Berglund and S. Katz |
hep-th/9406017 | Einstein-Yang-Mills Sphalerons and Level Crossing | The fermion energy spectrum along paths which connect topologically distinct
vacua in the Einstein-Yang-Mills theory passing through the gravitational
sphaleron equilibrium solutions is investigated. | 1994-06-03 | 2010-11-01 | [
"hep-th",
"gr-qc"
] | Mikhail S.Volkov |
hep-th/9406016 | As time goes by | A rather simple and non-technical exposition of our new approach to {\em
Time, Quantum Physics, Black-Hole dynamics}, and {\em Cosmology}, based on
non-critical string theory, is provided. A new fundamental principle, the {\em
Procrustean Principle}, that catches the essence of our approach is postulated:
the low-energ... | 1994-06-03 | 2015-06-26 | [
"hep-th",
"astro-ph",
"gr-qc",
"hep-ph"
] | D. V. Nanopoulos |
hep-th/9406013 | The Chern-Simons Action in Non-Commutative Geometry | A general definition of Chern-Simons actions in non-commutative geometry is
proposed and illustrated in several examples. These are based on
``space-times'' which are products of even-dimensional, Riemannian spin
manifolds by a discrete (two-point) set. If the *algebras of operators
describing the non-commutative space... | 1994-06-03 | 2009-10-28 | [
"hep-th",
"math.QA"
] | A. H. Chamseddine and J. Fr\"ohlich |
hep-th/9406009 | Black-Hole-Wave Duality in String Theory | Extreme 4-dimensional dilaton black holes embedded into 10-dimensional
geometry are shown to be dual to the gravitational waves in string theory. The
corresponding gravitational waves are the generalization of pp-fronted waves,
called supersymmetric string waves. They are given by Brinkmann metric and the
two-form fiel... | 1994-06-03 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | Eric Bergshoeff, Renata Kallosh and Tomas Ortin |
hep-th/9406019 | The equality of 3-manifold invariants | The invariants of 3-manifolds defined by Kuperberg for involutory Hopf
algebras and those defined by the authors for spherical Hopf algebras are the
same for Hopf algebras on which they are both defined. | 1994-06-03 | 2015-06-26 | [
"hep-th",
"math.QA"
] | John W. Barrett, Bruce W. Westbury |
hep-th/9406021 | Nontopological Magnetic Monopoles and New Magnetically Charged Black
Holes | The existence of nonsingular classical magnetic monopole solutions is usually
understood in terms of topologically nontrivial Higgs field configurations. We
show that finite energy magnetic monopole solutions also exist within a class
of purely Abelian gauge theories containing charged vector mesons, even though
the po... | 1994-06-03 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | Kimyeong Lee and Erick J. Weinberg |
hep-th/9406006 | Some properties of renormalons in gauge theories | We find the explicit operatorial form of renormalon-type singularities in
abelian gauge theory. Local operators of dimension six take care of the first
U.V. renormalon, non local operators are needed for I.R. singularities. In the
effective lagrangian constructed with these operators non local imaginary parts
appearing... | 1994-06-02 | 2015-06-26 | [
"hep-th"
] | G. Di Cecio and G. Paffuti |
hep-th/9406005 | Linearizing W-Algebras | We show that the Zamolodchikov's and Polyakov-Bershadsky nonlinear algebras
$W_3$ and $W_3^{(2)}$ can be embedded as subalgebras into some {\em linear}
algebras with finite set of currents. Using these linear algebras we find new
field realizations of $W_3^{(2)}$ and $W_3$ which could be a starting point for
constructi... | 1994-06-02 | 2009-10-28 | [
"hep-th"
] | S.Krivonos and A.Sorin |
hep-th/9406004 | Monopole Gauge Fields and Quantum Potentials Induced by the Geometry in
Simple Dynamical Systems | A realistic analysis shows that constraining a quantomechanical system
produces the effective dynamics to be coupled with {\sl abelian/non-abelian
gauge fields} and {\sl quantum potentials} induced by the {\sl intrinsic} and
{\sl extrinsic geometrical properties} of the constraint's surface.
This phenomenon is observ... | 1994-06-01 | 2009-10-28 | [
"hep-th"
] | Paolo Maraner |
hep-th/9406001 | A (1+3) Relativistic Harmonic Oscillator Simulated by an Anti-de Sitter
Background | It is shown that a static $(1+3)$ anti-de Sitter metric defines, in a natural
way, a relativistic harmonic oscillator in Minkowski space. The quantum theory
can be solved exactly and leads to wave functions having a significantly
different behaviour with respect to the non-relativistic ones. The energy
spectrum coincid... | 1994-06-01 | 2008-02-03 | [
"hep-th"
] | D. J. Navarro and J. Navarro-Salas |
hep-th/9405201 | Fusion $U_q(G^{(1)}_2)$ vertex models and analytic Bethe ans{\"a}tze | We introduce fusion $U_q(G^{(1)}_2)$ vertex models related to fundamental
representations. The eigenvalues of their row to row transfer matrices are
derived through analytic Bethe ans{\"a}tze. By combining these results with our
previous studies on functional relations among transfer matrices(the
$T$-system), we conjec... | 1994-06-01 | 2009-10-28 | [
"hep-th"
] | Junji Suzuki |
hep-th/9406003 | Gauge Theories with a Layered Phase | We study abelian gauge theories with anisotropic couplings in $4+D$
dimensions. A layered phase is present, in the absence as well as in the
presence of fermions. A line of second order transitions separates the layered
from the Coulomb phase, if $D\leq 3$. | 1994-06-01 | 2009-10-28 | [
"hep-th"
] | A. Hulsebos, C. P. Korthals-Altes and S. Nicolis |
hep-th/9406002 | Heat kernels on curved cones | A functorial derivation is presented of a heat-kernel expansion coefficient
on a manifold with a singular fixed point set of codimension two. The existence
of an extrinsic curvature term is pointed out. | 1994-06-01 | 2010-04-06 | [
"hep-th",
"gr-qc"
] | J.S.Dowker |
hep-th/9405193 | Linear Differential Equations for a Fractional Spin Field | The vector system of linear differential equations for a field with arbitrary
fractional spin is proposed using infinite-dimensional half-bounded unitary
representations of the $\overline{SL(2,R)}$ group. In the case of
$(2j+1)$-dimensional nonunitary representations of that group, $0<2j\in Z$,
they are transformed int... | 1994-05-31 | 2009-10-28 | [
"hep-th"
] | J.L. Cortes and M.S. Plyushchay |
hep-th/9405194 | Local BRST cohomology in the antifield formalism: II. Application to
Yang-Mills theory | Yang-Mills models with compact gauge group coupled to matter fields are
considered. The general tools developed in a companion paper are applied to
compute the local cohomology of the BRST differential $s$ modulo the exterior
spacetime derivative $d$ for all values of the ghost number, in the space of
polynomials in th... | 1994-05-31 | 2008-11-26 | [
"hep-th"
] | G. Barnich, F. Brandt and M. Henneaux |
hep-th/9405198 | Background Symmetries In Orbifolds With Discrete Wilson Lines | Target space symmetries are studied for orbifold compactified string theories
containing Wilson line background fields. The symmetries determined are for
those moduli which contribute to the string loop threshold corrections of the
gauge coupling constants. The groups found are subgroups of the modular group
$PSL(2, Z)... | 1994-05-31 | 2010-11-01 | [
"hep-th"
] | A. Love, W. A. Sabra and S. Thomas |
hep-th/9405200 | Fusion, mass, and representation theory of the Yangian algebra | Based on the formulation of Drinfel'd, Chari, and Pressley, a technique to
analyze the structure of tensor products of the Yangian algebra representations
is presented. We then apply the results to the $S$-matrix theory of the
$G\otimes G$-invariant nonlinear $\sigma$-model ($G$-principal chiral model) by
Ogievetsky, R... | 1994-05-31 | 2014-05-14 | [
"hep-th"
] | Tomoki Nakanishi |
hep-th/9405191 | Effects of Virtual Monopoles | Electromagnetism would be a ``more unified'' theory if there were elementary
magnetic monopoles and/or particles with both electric and magnetic charges
(dyons). I discuss the simplest possibilities for the addition of these
entities onto the Standard Model, and their empirical consequences. Lower
limits on the masses ... | 1994-05-31 | 2011-07-19 | [
"hep-th"
] | A. de Rujula |
hep-th/9405199 | Topological Roots of Black Hole Entropy | We review the insights into black hole entropy that arise from the
formulation of gravitation theory in terms of dimensional continuation. The
role of the horizon area and the deficit angle of a conical singularity at the
horizon as canonically conjugate dynamical variables is analyzed. The path
integral and the extens... | 1994-05-31 | 2007-05-23 | [
"hep-th",
"gr-qc"
] | C. Teitelboim |
hep-th/9405192 | Structure of Lorentzian algebras and Conformal Field Theory | The main properties of indefinite Kac-Moody and Borcherds algebras,
considered in a unified way as Lorentzian algebras, are reviewed. The
connection with the conformal field theory of the vertex operator construction
is discussed. By the folding procedure a class of subalgebras is obtained. | 1994-05-31 | 2009-09-25 | [
"hep-th"
] | V. Marotta and A. Sciarrino |
hep-th/9405197 | The Sine-Gordon Model as $\SO(n)_{1} \times \SO(n)_{1} \over \SO(n)_{2}$
Perturbed Coset Theory and Generalizations | The ground state of the $\SO(2n)_{1} \times \SO(2n)_{1} \over \SO(2n)_{2}$
coset theories, perturbed by the $\phi^{id,id}_{adj}$ operator and those of the
sine-Gordon theory, for special values of the coupling constant in the
attracting regime, is the same. In the first part of this paper we extend these
results to the... | 1994-05-31 | 2009-10-28 | [
"hep-th"
] | R.Tateo |
hep-th/9405196 | Some Physical Aspects of Liouville String Dynamics | We discuss some physical aspects of our Liouville approach to non-critical
strings, including the emergence of a microscopic arrow of time, effective
field theories as classical ``pointer'' states in theory space, $CPT$ violation
and the possible apparent non-conservation of angular momentum. We also review
the applica... | 1994-05-31 | 2009-09-25 | [
"hep-th",
"gr-qc",
"hep-ph"
] | J. Ellis, N. Mavromatos, and D. Nanopoulos |
hep-th/9405195 | Strongly Topological Interactions of Tensionless Strings | The tensionless limit of classical string theory may be formulated as a
topological theory on the world-sheet. A vector density carries geometrical
information in place of an internal metric. It is found that path-integral
quantization allows for the definition of several, possibly inequivalent
quantum theories. String... | 1994-05-31 | 2009-09-25 | [
"hep-th"
] | Bo Sundborg |
hep-th/9405186 | On the Geometry of W_n gravity | We report work done with T. Jayaraman (hep-th/9405146) in this talk. In a
recent paper, Hitchin introduced generalisations of the Teichmuller space of
Riemann surfaces. We relate these spaces to the Teichmuller spaces of
W-gravity. We show how this provides a covariant description of W-gravity and
naturally leads to a ... | 1994-05-30 | 2007-05-23 | [
"hep-th"
] | Suresh Govindarajan |
hep-th/9405187 | Reheating after Inflation | The theory of reheating of the Universe after inflation is developed. The
transition from inflation to the hot Universe turns out to be strongly
model-dependent and typically consists of several stages. Immediately after
inflation the field $\phi$ begins rapidly rolling towards the minimum of its
effective potential. C... | 1994-05-30 | 2009-09-29 | [
"hep-th",
"astro-ph",
"gr-qc",
"hep-ph"
] | Lev Kofman, Andrei Linde, and Alexei Starobinsky |
hep-th/9405189 | Finite Size Effects and Conformal Symmetry of $O(N)$ Nonlinear $\sigma$
Model in Three Dimensions | We study the $O(N)$ nonlinear $\sigma$ model on a three-dimensional compact
space $S^1 \times S^2$ (of radii $L$ and $R$ respectively) by means of large
$N$ expansion, focusing on the finite size effects and conformal symmetries of
this model at the critical point. We evaluate the correlation length and the
Casimir ene... | 1994-05-30 | 2009-09-25 | [
"hep-th"
] | Akira Fujii and Takeo Inami |
hep-th/9405188 | Mass formulae and natural hierarchy in string effective supergravities | We study some conditions for the hierarchy $m_{3/2} << M_P$ to occur
naturally in a generic effective supergravity theory. Absence of fine-tuning
and perturbative calculability require that the effective potential has a
sliding gravitino mass and vanishing cosmological constant, up to ${\cal
O}(m_{3/2}^4)$ corrections.... | 1994-05-30 | 2014-11-18 | [
"hep-th",
"hep-ph"
] | S.Ferrara, C.Kounnas and F.Zwirner |
hep-th/9405190 | On Truncations of the Exact Renormalization Group | We investigate the Exact Renormalization Group (ERG) description of ($Z_2$
invariant) one-component scalar field theory, in the approximation in which all
momentum dependence is discarded in the effective vertices. In this context we
show how one can perform a systematic search for non-perturbative continuum
limits wit... | 1994-05-30 | 2009-10-28 | [
"hep-th",
"hep-lat",
"hep-ph"
] | Tim R. Morris |
hep-th/9405185 | Black Hole Thermodynamics from String Theory | In this note we consider a stringy description of black hole horizon. We
start with a nonlinear sigma model defined on a two dimensional Euclidean
surface with background Rindler metric. By solving the field equations, we show
that to the leading order the Bekenstein-Hawking formula of black hole entropy
can be produce... | 1994-05-28 | 2009-10-28 | [
"hep-th"
] | Ichiro Oda |
hep-th/9405184 | Infrared Behaviour, sources and the Schwinger action principle | The paper describes a dynamical analogy for the renormalization group which
leads to insights into its structure. | 1994-05-28 | 2008-02-03 | [
"hep-th"
] | Mark Burgess |
hep-th/9405177 | New fields on super Riemann surfaces | A new $(1,1)$-dimensional super vector bundle which exists on any super
Riemann surface is described. Cross-sections of this bundle provide a new class
of fields on a super Riemann surface which closely resemble holomorphic
functions on a super Riemann surface, but which (in contrast to the case with
holomorphic functi... | 1994-05-27 | 2010-04-06 | [
"hep-th"
] | Alice Rogers and Mark Langer |
hep-th/9405179 | Some functional solutions of the Yang-Baxter equation | A general functional definition of the infinite dimensional quantum
$R$-matrix satisfying the Yang-Baxter equation is given. A procedure for the
extracting a finite dimensional $R$-matrix from the general definition is
demonstrated in a particular case when the group $SU(2)$ takes place. | 1994-05-27 | 2008-02-03 | [
"hep-th",
"math.QA"
] | D. Tz. Stoyanov |
hep-th/9405182 | Chen and Itoi Reply | We reply a Comment (hep-th/xxx) on our recent paper published in Phys Rev
Lett 72 (1994) 2527-2530. We point out that the author of the Comment overlooks
the highly non-trivial Chern-Simons interactions and his hand-waving arguments
are totally groundless. | 1994-05-27 | 2007-05-23 | [
"hep-th"
] | Wei Chen (Univ of North Carolina, Chapel Hill) and Chigak Itoi (Nihon
Univ, Tokyo) |
hep-th/9405181 | Anyons: Minimal and Extended Formulations | The minimal (reduced) and extended canonical formulations for
(2+1)-dimensional fractional spin particles are considered. We investigate the
relationship between them, clearing up the meaning of the coordinates for such
particles, and analyse the related question of correlation between spin and
momentum. The classical ... | 1994-05-27 | 2012-03-15 | [
"hep-th"
] | Jose L. Cortes and Mikhail S. Plyushchay |
hep-th/9405183 | Four dimensional topological quantum field theory, Hopf categories, and
the canonical bases | We propose a new mwthod of constructing 4D-TQFTs. The method uses a new type
of algebraic structure called a Hopf Category. We also outline the construction
of a family of Hopf categories related to the quantum groups, using the
canonical bases. | 1994-05-27 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Louis Crane and Igor B. Frenkel |
hep-th/9405178 | Induced Connections in Field Theory: The Odd-Dimensional Yang-Mills Case | We consider $SU(N)$ Yang-Mills theories in $(2n+1)$-dimensional Euclidean
spacetime, where $N\geq n+1$, coupled to an even flavour number of Dirac
fermions. After integration over the fermionic degrees of freedom the wave
functional for the gauge field inherits a non-trivial $U(1)$-connection which
we compute in the li... | 1994-05-27 | 2015-06-26 | [
"hep-th",
"gr-qc"
] | Domenico Giulini |
hep-th/9405180 | Dirac operators on quantum two spheres | We investigate the spin $1/2$ fermions on quantum two spheres. It is shown
that the wave functions of fermions and a Dirac Operator on quantum two spheres
can be constructed in a manifestly covariant way under the quantum group
$SU(2)_q$. The concept of total angular momentum and chirality can be expressed
by using $q$... | 1994-05-27 | 2009-10-28 | [
"hep-th",
"math.QA"
] | K. Ohta and H. Suzuki |
hep-th/9405176 | On the Discretized Light-Cone Quantization of Electrodynamics | Discretized light-cone quantization of (3+1)-dimensional electrodynamics is
discussed, with careful attention paid to the interplay between gauge choice
and boundary conditions. In the zero longitudinal momentum sector of the theory
a general gauge fixing is performed, and the corresponding relations that
determine the... | 1994-05-27 | 2014-11-18 | [
"hep-th",
"nucl-th"
] | Alex C. Kalloniatis and David G. Robertson |
hep-th/9405171 | Global Charges in Chern-Simons theory and the 2+1 black hole | We use the Regge-Teitelboim method to treat surface integrals in gauge
theories to find global charges in Chern-Simons theory. We derive the affine
and Virasoro generators as global charges associated with symmetries of the
boundary. The role of boundary conditions is clarified. We prove that for
diffeomorphisms that d... | 1994-05-26 | 2009-12-30 | [
"hep-th"
] | Maximo Banados |
hep-th/9405169 | New Phenomenon of Nonlinear Regge Trajectory and Quantum Dual String
Theory | The relation between the spin and the mass of an infinite number of particles
in a $q$-deformed dual string theory is studied. For the deformation parameter
$q$ a root of unity, in addition to the relation of such values of $q$ with the
rational conformal field theory, the Fock space of each oscillator mode in the
Fubi... | 1994-05-26 | 2010-11-01 | [
"hep-th"
] | M. Chaichian, J. F. Gomes and R. Gonzalez Felipe |
hep-th/9405168 | Modular properties of ribbon abelian categories | A category N of labeled (oriented) trivalent graphs (nets) or ribbon graphs
is extended by new generators called fusing, braiding, twist and switch with
relations which can be called Moore--Seiberg relations. A functor to N is
constructed from the category Surf of oriented surfaces with labeled boundary
and their homeo... | 1994-05-26 | 2008-02-22 | [
"hep-th",
"math.QA"
] | Volodymyr Lyubashenko |
hep-th/9405165 | $SO(5)_{q}$ and Contraction | Representations of $SO(5)_{q}$ are constructed explicitly on the Chevalley
basis for all $q$, generic and root of unity. Matrix elements of the generators
are obtained for all representations depending on three variable indices, the
maximal number being 4. A prescription for contraction is given such that a
complete Ho... | 1994-05-26 | 2007-05-23 | [
"hep-th"
] | Amitabha Chakrabarti |
hep-th/9405170 | Conserved Quantities and Electroweak Phase Transitions | Some cosmological consequences of including the adequate conserved quantities
in the density matrix of the electroweak theory are investigated. Several
arguments against including the charges associated to the spontaneously broken
symmetry are presented. Special attention is focused on the phenomenon of
$W$-boson conde... | 1994-05-26 | 2009-10-28 | [
"hep-th"
] | M. Chaichian, R. Gonzalez Felipe and H. Perez Rojas |
hep-th/9406025 | Induced Connections in Field Theory: The Odd Dimensional Yang-Mills Case | We consider SU(N) Yang-Mills theories in 2n+1 Euclidean dimensions coupled to
an even flavour-number of Dirac fermions. After integrating out the fermions
the wave functional for the effective Yang-Mills theory inherits a non-trivial
U(1)-connection which is computed in the limit of infinite fermion mass
(adiabatic con... | 1994-05-26 | 2007-05-23 | [
"hep-th"
] | Domenico Giulini |
hep-th/9405173 | Generalized Gaussian Effective Potential: Low Dimensional Scalar Fields | We study a generalization of the Gaussian effective potential for
self-interacting scalar fields in one and two spatial dimensions. We compute
the two-loop corrections and discuss the renormalization of the generalized
Gaussian effective potential. | 1994-05-26 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | P.Cea and L.Tedesco |
hep-th/9405175 | From N=2 Supergravity to Constrained Moduli Spaces | In this talk we review some results concerning a mechanism for reducing the
moduli space of a topological field theory to a proper submanifold of the
ordinary moduli space. Such mechanism is explicitly realized in the example of
constrained topological gravity, obtained by topologically twisting the N=2
Liouville theor... | 1994-05-26 | 2009-10-28 | [
"hep-th"
] | D.Anselmi, P.Fre', L.Girardello and P.Soriani |
hep-th/9405164 | Superparticle actions from superfields | Gauge invariant complex covariant actions for superparticles are derived from
the field equations for the chiral superfields in a precise manner. The massive
and massless cases in four dimensions are treated both free and in interaction
with an external super Maxwell field. By means of a generalized BRST
quantization t... | 1994-05-26 | 2009-10-28 | [
"hep-th"
] | R. Marnelius and Sh. M. Shvartsman |
hep-th/9405167 | Invariants of 3-manifolds and projective representations of mapping
class groups via quantum groups at roots of unity | An example of a finite dimensional factorizable ribbon Hopf C-algebra is
given by a quotient H=u_q(g) of the quantized universal enveloping algebra
U_q(g) at a root of unity q of odd degree. The mapping class group M_{g,1} of a
surface of genus g with one hole projectively acts by automorphisms in the
H-module H^{*\oti... | 1994-05-26 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Volodymyr Lyubashenko |
hep-th/9405166 | Generalized Pauli-Villars Regularization and the Covariant Form of
Anomalies | In the generalized Pauli-Villars regularization of chiral gauge theory
proposed by Frolov and Slavnov , it is important to specify how to sum the
contributions from an infinite number of regulator fields. It is shown that an
explicit sum of contributions from an infinite number of fields in anomaly-free
gauge theory es... | 1994-05-26 | 2009-10-28 | [
"hep-th"
] | Kazuo Fujikawa |
hep-th/9405174 | Constrained Topological Field Theory | We derive a model of constrained topological gravity, a theory recently
introduced by us through the twist of N=2 Liouville theory, starting from the
general BRST algebra and imposing the moduli space constraint as a gauge
fixing. To do this, it is necessary to introduce a formalism that allows a
careful treatment of t... | 1994-05-26 | 2009-10-28 | [
"hep-th"
] | Damiano Anselmi, Pietro Fre', Luciano Girardello and Paolo Soriani |
hep-th/9405172 | Event Symmetric Open String Field Theory | Field Theory on Event Symmetric space-time is constructed using the gauge
group of discrete open strings. Models with invariant actions can be viewed as
natural extensions of Matrix Models. The objective is to find a fundamental
non-perturbative pre-theory for superstrings. | 1994-05-26 | 2007-05-23 | [
"hep-th"
] | P. E. Gibbs |
hep-th/9405163 | Thermodynamics of Relativistic Fermions with Chern-Simons Coupling | We study the thermodynamics of the relativistic Quantum Field Theory of
massive fermions in three space-time dimensions coupled to an Abelian
Maxwell-Chern-Simons gauge field. We evaluate the specific heat at finite
temperature and density and find that the variation with the statistical angle
is consistent with the no... | 1994-05-26 | 2014-11-18 | [
"hep-th",
"cond-mat",
"hep-ph"
] | N. Bralic, D. Cabra and F.A. Schaposnik |
hep-th/9405158 | Large N limit of O(N) vector models | Using a simple identity between various partial derivatives of the energy of
the vector model in 0+0 dimensions, we derive explicit results for the
coefficients of the large N expansion of the model. These coefficients are
functions in a variable $\rho^2$, which is the expectation value of the two
point function in the... | 1994-05-25 | 2009-10-28 | [
"hep-th"
] | Sigurd Schelstraete and Henri Verschelde |
hep-th/9405156 | Folded Strings Falling into a Black Hole | We find all the classical solutions (minimal surfaces) of open or closed
strings in {\it any} two dimensional curved spacetime. As examples we consider
the SL(2,R)/R two dimensional black hole, and any 4D black hole in the
Schwarzschild family, provided the motion is restricted to the time-radial
components. The soluti... | 1994-05-25 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | Itzhak Bars and J\"urgen Schulze |
hep-th/9405161 | Quantum groups and deformed special relativity | The structure and properties of possible $q$-Minkowski spaces is discussed,
and the corresponding non-commutative differential calculi are developed in
detail and compared with already existing proposals. This is done by stressing
its covariance properties as described by appropriate reflection equations.
Some isomorph... | 1994-05-25 | 2016-08-14 | [
"hep-th"
] | J.A. de Azc\'arraga, P.P. Kulish and F. Rodenas |
hep-th/9405157 | Derivation of the Classical Lagrangian for the Relativistic Spinning
Particle | The `classical' model for a massive spinning particle, which was recently
proposed, is derived from the isotropic rotator model. Through this derivation,
we note that the spin can be understood as the relativistic extension of the
isotropic rotator. Furthermore, the variables $t_\m$ corresponding to the
$\p^*$ of the `... | 1994-05-25 | 2009-10-28 | [
"hep-th"
] | Jin-Ho Cho and Jae-Kwan Kim |
hep-th/9405160 | Path Integral and Solutions of the Constraint Equations: The Case of
Reducible Gauge Theories | It is shown that the BRST path integral for reducible gauge theories, with
appropriate boundary conditions on the ghosts, is a solution of the constraint
equations. This is done by relating the BRST path integral to the kernel of the
evolution operator projected on the physical subspace. | 1994-05-25 | 2009-10-28 | [
"hep-th"
] | R. Ferraro, M. Henneaux and M. Puchin |
hep-th/9405155 | Some Explorations in Holomorphy | In supersymmetric theories, one can obtain striking results and insights by
exploiting the fact that the superpotential and the gauge coupling function are
holomorphic functions of the model parameters. The precise meaning of this
holomorphy is subtle, and has been explained most clearly by Shifman and
Vainshtein, who ... | 1994-05-25 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | M. Dine and Y. Shirman |
hep-th/9405159 | The Twisted String Vertex Algorithm Applied to the $Z_2$-Twisted Scalar
String Four Vertex | Recently an algorithm was found by means of which one can calculate terms at
arbitrary oscillator level in the four-Ramond vertex obtained by sewing. Here
we show that this algorithm is applicable also to the case of ${\bf
Z}_2$-twisted scalars and derive the full propagator for scalars on the Riemann
sphere with two b... | 1994-05-25 | 2009-10-28 | [
"hep-th"
] | Niclas Engberg, Bengt E.W. Nilsson and Anders Westerberg |
hep-th/9405162 | Black Hole Entropy in Two Dimensions | Black hole entropy is studied for an exactly solvable model of
two-dimensional gravity\cite{rst1}, using recently developed Noether charge
techniques\cite{wald1}. This latter approach is extended to accomodate the
non-local form of the semiclassical effective action. In the two-dimensional
model, the final black hole e... | 1994-05-25 | 2010-11-01 | [
"hep-th",
"gr-qc"
] | Robert C. Myers |
hep-th/9405153 | Modular invariants and fusion rule automorphisms from Galois theory | We show that Galois theory of cyclotomic number fields provides a powerful
tool to construct systematically integer-valued matrices commuting with the
modular matrix S, as well as automorphisms of the fusion rules. Both of these
prescriptions allow the construction of modular invariants and offer new
insight in the str... | 1994-05-24 | 2009-10-28 | [
"hep-th",
"math.QA"
] | J\"urgen Fuchs, Beatriz Gato-Rivera, Bert Schellekens, Christoph
Schweigert |
hep-th/9405154 | Quantum Bound States with Zero Binding Energy | After reviewing the general properties of zero-energy quantum states, we give
the explicit solutions of the \seq with $E=0$ for the class of potentials
$V=-|\gamma|/r^{\nu}$, where $-\infty < \nu < \infty$. For $\nu > 2$, these
solutions are normalizable and correspond to bound states, if the angular
momentum quantum n... | 1994-05-24 | 2009-10-28 | [
"hep-th"
] | Jamil Daboul and Michael Martin Nieto |
hep-th/9405150 | q-difference intertwining operators for $U_q(sl(n))$: general setting
and the case $n=3$ | We construct representations $\hat\pi_{\br}$ of the quantum algebra
$U_q(sl(n))$ labelled by $n-1$ complex numbers $r_i$ and acting in the space of
formal power series of $n(n-1)/2$ non-commuting variables. These variables
generate a flag manifold of the matrix quantum group $SL_q(n)$ which is dual to
$U_q(sl(n))$. The... | 1994-05-24 | 2009-10-28 | [
"hep-th",
"math.QA"
] | V. K. Dobrev |
hep-th/9405152 | Galilean limit of equilibrium relativistic mass distribution for
indistinguishable events | The relativistic distribution for indistinguishable events is considered in
the mass-shell limit $m^2\cong M^2,$ where $M$ is a given intrinsic property of
the events. The characteristic thermodynamic quantities are calculated and
subject to the zero-mass and the high-temperature limits. The results are shown
to be in ... | 1994-05-24 | 2009-10-28 | [
"hep-th"
] | L. Burakovsky and L.P. Horwitz |
hep-th/9405151 | Type B Topological Matter, Kodaira-Spencer Theory, and Mirror Symmetry | Perturbing usual type B topological matter with vector $(0,1)$-forms we find
a topological theory which contains explicitly Kodaira-Spencer deformation
theory. It is shown that, in genus zero, three-point correlation functions give
the Yukawa couplings for a generic point in the moduli space of complex
structures. This... | 1994-05-24 | 2009-10-28 | [
"hep-th"
] | J.M.F. Labastida and M. Marino |
hep-th/9405145 | Finite Temperature Deconfining Transition in the BRST Formalism | We present a toy model study of the high temperature deconfining transition
in Yang-Mills theory as a breakdown of the confinement condition proposed by
Kugo and Ojima. Our toy model is a kind of topological field theory obtained
from the Yang-Mills theory by taking the limit of vanishing gauge coupling
constant $g_{\r... | 1994-05-23 | 2017-02-01 | [
"hep-th",
"hep-ph"
] | Hiroyuki Hata and Yusuke Taniguchi |
hep-th/9405146 | A proposal for the geometry of W_n gravity | We relate the Teichmuller spaces obtained by Hitchin to the Teichmuller
spaces of $WA_{n}$-gravity. The relationship of this space to $W$-gravity is
obtained by identifying the flat $PSL(n+1,{\BR})$ connections of Hitchin to
generalised vielbeins and connections. This is explicitly demonstrated for
$WA_2=W_3$ gravity. ... | 1994-05-23 | 2009-10-28 | [
"hep-th"
] | Suresh Govindarajan and T. Jayaraman |
hep-th/9405147 | Lorentz Symmetry Breaking in Abelian Vector-Field Models with
Wess-Zumino Interaction | We consider the abelian vector-field models in the presence of the
Wess-Zumino interaction with the pseudoscalar matter. The occurence of the
dynamic breaking of Lorentz symmetry at classical and one-loop level is
described for massless and massive vector fields. This phenomenon appears to be
the non-perturbative count... | 1994-05-23 | 2010-11-01 | [
"hep-th"
] | A.A.Andrianov and R.Soldati |
hep-th/9405148 | Replica Field Theory for Deterministic Models: Binary Sequences with Low
Autocorrelation | We study systems without quenched disorder with a complex landscape, and we
use replica symmetry theory to describe them. We discuss the
Golay-Bernasconi-Derrida approximation of the low autocorrelation model, and we
reconstruct it by using replica calculations. Then we consider the full model,
its low $T$ properties (... | 1994-05-23 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | E. Marinari, G. Parisi and F. Ritort |
hep-th/9405143 | Spectral Geometry and One-loop Divergences on Manifolds with Conical
Singularities | Geometrical form of the one-loop divergences induced by conical singularities
of background manifolds is studied. To this aim the heat kernel asymptotic
expansion on spaces having the structure $C_{\alpha}\times \Sigma$ near
singular surface $\Sigma$ is analysed. Surface corrections to standard second
and third heat co... | 1994-05-22 | 2009-10-28 | [
"hep-th"
] | Dmitri V. Fursaev |
hep-th/9405144 | Embeddings for Non-Critical Superstrings | It was previously shown that at critical central charge, $N$-extended
superstrings can be embedded in $(N+1)$-extended superstrings. In other words,
$(N=0,c=26)\to (N=1,c=15)\to (N=2,c=6)\to (N=3,c=0) \to (N=4,c=0) $. In this
paper, we show that similar embeddings are also possible for $N$-extended
superstrings at non-... | 1994-05-22 | 2009-10-28 | [
"hep-th"
] | Nathan Berkovits and Nobuyoshi Ohta |
hep-th/9405142 | A Quantum Analogue of the Boson-Fermion Correspondence | We review the classical boson-fermion correspondence in the context of the
$\widehat{sl(2)}$ current algebra at level 2. This particular algebra is ideal
to exhibit this correspondence because it can be realized either in terms of
three real bosonic fields or in terms of one real and one complex fermionic
fields. We al... | 1994-05-22 | 2015-06-26 | [
"hep-th"
] | A. Hamid Bougourzi and Luc Vinet |
hep-th/9405139 | Identical Particles and Permutation Group | Second quantization is revisited and creation and annihilation operators
areshown to be related, on the same footing both to the algebra h(1), and to
the superalgebra osp(1|2) that are shown to be both compatible with Bose and
Fermi statistics.
The two algebras are completely equivalent in the one-mode sector but,
be... | 1994-05-21 | 2010-11-01 | [
"hep-th"
] | E.Celeghini, M.Rasetti and G.Vitiello |
hep-th/9405141 | Duality and the Fractional Quantum Hall Effect | The edge states of a sample displaying the quantum Hall effect (QHE) can be
described by a 1+1 dimensional (conformal) field theory of $d$ massless scalar
fields taking values on a $d$-dimensional torus. It is known from the work of
Naculich, Frohlich et al.\@ and others that the requirement of chirality of
currents in... | 1994-05-21 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | A.P. Balachandran, L. Chandar and B. Sathiapalan |
hep-th/9405138 | Solutions to the Quantum Yang-Baxter Equation with Extra Non-Additive
Parameters | We present a systematic technique to construct solutions to the Yang-Baxter
equation which depend not only on a spectral parameter but in addition on
further continuous parameters. These extra parameters enter the Yang-Baxter
equation in a similar way to the spectral parameter but in a non-additive form.
We exploit the... | 1994-05-21 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Anthony J. Bracken, Gustav W. Delius, Mark D. Gould, Yao-Zhong Zhang |
hep-th/9405140 | Further results on Functional Determinants of Laplacians in Simplicial
Complexes | We investigate the functional determinant of the laplacian on piece-wise flat
two-dimensional surfaces, with conical singularities in the interior and/or
corners on the boundary. Our results extend earlier investigations of the
determinants on smooth surfaces with smooth boundaries. The differences to the
smooth case a... | 1994-05-21 | 2008-02-03 | [
"hep-th",
"math.DG"
] | Erik Aurell (Stockholm University), Per Salomonson (Chalmers
University of Technology) |
hep-th/9405131 | Left Regular Representation of $sl_q(3)$: Reduction and Intertwiners | Reduction of the left regular representation of quantum algebra $sl_q(3)$ is
studied and ~$q$-difference intertwining operators are constructed. The
irreducible representations correspond to the spaces of local sections of
certain line bundles over the q-flag manifold. | 1994-05-20 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Ludwik Dabrowski and Preeti Parashar |
hep-th/9405137 | Exact Heavy To Light Meson Form Factors In The Chiral Limit Of Planar
1+1 QCD | The form factors of the flavor changing vector current between a $\bar q
Q$-meson and the lightest $\bar q q$ (pseudoscalar-)meson are computed exactly
and explicitly in the 't~Hooft model (planar QCD in $1+1$ dimensions) in the
limit that the mass of $q$-quark vanishes. | 1994-05-20 | 2008-02-03 | [
"hep-th",
"hep-ph"
] | Benjamin Grinstein |
hep-th/9405135 | Perturbative Quantum Field Theory at Positive Temperatures: An Axiomatic
Approach | It is shown that the perturbative expansions of the correlation functions of
a relativistic quantum field theory at finite temperature are uniquely
determined by the equations of motion and standard axiomatic requirements,
including the KMS condition. An explicit expression as a sum over generalized
Feynman graphs is d... | 1994-05-20 | 2009-10-28 | [
"hep-th"
] | O. Steinmann (Universitaet Bielefeld, Fakultaet fuer Physik, D-33501
Bielefeld, Germany) |
hep-th/9405130 | Non-linear Structures in Non-critical NSR String | We investigate the Ward identities of the $\W_{\infty}$ symmetry in the
super-Liouville theory coupled to the super-conformal matter of central charge
${\hat c}_M = 1-2(p-q)^2 /pq$. The theory is classified into two chiralities.
For the positive chirality, all gravitationally dressed scaling operators are
generated fro... | 1994-05-20 | 2015-06-26 | [
"hep-th"
] | Ken-ji Hamada and Hiroshi Ishikawa |
hep-th/9405129 | Tunneling Through Sphalerons: The O(3) Sigma-Model on a Cylinder | We construct all instantons for the \nlsig\ on a cylinder, known not to exist
on a finite time interval. We show that the widest instantons go through
sphalerons. A re-interpretation of moduli-space transforms the scale parameter
$\rho$ to a boundary condition in time. This may give a handle on the
$\rho\rightarrow0$ d... | 1994-05-20 | 2008-11-26 | [
"hep-th",
"hep-lat"
] | Jeroen Snippe |
hep-th/9405134 | From Trees to Galaxies: The Potts Model on a Random Surface | The matrix model of random surfaces with c = inf. has recently been solved
and found to be identical to a random surface coupled to a q-states Potts model
with q = inf. The mean field-like solution exhibits a novel type of tree
structure. The natural question is, down to which--if any--finite values of c
and q does thi... | 1994-05-20 | 2010-11-30 | [
"hep-th"
] | Mark Wexler |
hep-th/9405136 | Continous Spins in 2D Gravity: Chiral Vertex Operators and Local Fields | We construct the exponentials of the Liouville field with continuous powers
within the operator approach. Their chiral decomposition is realized using the
explicit Coulomb-gas operators we introduced earlier. {}From the quantum-group
viewpoint, they are related to semi-infinite highest or lowest weight
representations ... | 1994-05-20 | 2009-10-28 | [
"hep-th"
] | Jean-Loup Gervais and Jens Schnittger |
hep-th/9405133 | On the Algebraic Structure of Gravity with Torsion including Weyl
symmetry | The BRST transformations for gravity with torsion including Weyl symmetry are
discussed by using the so-called Maurer-Cartan horizontality conditions. Also
the coupling of scalar matter fields to gravity is incorporated in this
analysis. With the help of an operator $\d$ which allows to decompose the
exterior space-tim... | 1994-05-20 | 2007-05-23 | [
"hep-th"
] | O. Moritsch and M. Schweda |
hep-th/9405132 | On Higher Derivative Gravity in Two Dimensions | The 2D gravity described by the action which is an arbitrary function of the
scalar curvature $f(R)$ is considered. The classical vacuum solutions are
analyzed. The one-loop renormalizability is studied. For the function $f=R \ln
R$ the model coupled with scalar (conformal) matter is exactly integrated and
is shown to ... | 1994-05-20 | 2009-10-28 | [
"hep-th"
] | S.N.Solodukhin |
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