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 |
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hep-th/9311036 | Differential Operator Algebras on compact Riemann Surfaces | Invited talk at the International Symposium on Generalized Symmetries in
Physics at the Arnold-Sommerfeld-Institute, Clausthal, Germany, July 26 -- July
29, 1993. This talk reviews results on the structure of algebras consisting of
meromorphic differential operators which are holomorphic outside a finite set
of points ... | 1993-11-05 | 2009-09-25 | [
"hep-th",
"alg-geom",
"math.QA"
] | Martin Schlichenmaier |
hep-th/9311038 | Bardeen-Anomaly and Wess-Zumino Term in the Supersymmetric Standard
Model | We construct the Bardeen anomaly and its related Wess-Zumino term in the
supersymmetric standard model. In particular we show that it can be written in
terms of a composite linear superfield related to supersymmetrized Chern-Simons
forms, in very much the same way as the Green-Schwarz term in four-dimensional
string th... | 1993-11-05 | 2009-10-22 | [
"hep-th",
"hep-ph"
] | S. Ferrara, A. Masiero, M. Porrati and R. Stora |
hep-th/9311025 | Real Time Propagator in the First Quantised Formalism | We argue that a basic modification must be made to the first quantised
formalism of string theory if the physics of `particle creation' is to be
correctly described. The analogous quantisation of the relativistic particle is
performed, and it is shown that the proper time along the world line must go
both forwards and ... | 1993-11-04 | 2007-05-23 | [
"hep-th"
] | Samir D. Mathur |
hep-th/9311028 | Matrix Versions of the Calogero Model | Matrix generalizations of the N-particle quantum-mechanical Calogero model
classifying according to representations of the symmetric group $S_N$ are
considered. Symmetry properties of the eigen-wave functions in the matrix
Calogero models are analyzed. Latex. | 1993-11-04 | 2007-05-23 | [
"hep-th"
] | O.V.Dodlov, S.E.Konstein, and M.A.Vasiliev |
hep-th/9311030 | Green Functions and Thermal Nature of Black Holes | There are several ways to establish and study thermal properties of black
holes. I review here method of Fulling and Ruijsenaars, based on the analytic
structure of Green functions on the complex plane. This method provides a clear
distinction between zero and finite temperature field theories, and allows for
quick eva... | 1993-11-04 | 2007-05-23 | [
"hep-th"
] | Milan Mijic |
hep-th/9311034 | Symmetries of the Dissipative Hofstadter Model | The dissipative Hofstadter model, which describes a particle in 2-D subject
to a periodic potential, uniform magnetic field, and dissipation, is also
related to open string boundary states. This model exhibits an SL(2,Z) duality
symmetry and hidden reparametrization invariance symmetries. These symmetries
are useful fo... | 1993-11-04 | 2007-05-23 | [
"hep-th"
] | Denise E. Freed |
hep-th/9311026 | New QCD Results from String Theory | We discuss new results in QCD obtained with string-based methods. These
methods were originally derived from superstring theory and are significantly
more efficient than conventional Feynman rules. This technology was a key
ingredient in the first calculation of the one-loop five-gluon amplitude. We
also present a conj... | 1993-11-04 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | Z. Bern, L. Dixon, D.A. Kosower |
hep-th/9311029 | Quantum Principal Bundles | A noncommutative-geometric generalization of the theory of principal bundles
is sketched. A differential calculus over corresponding quantum principal
bundles is analysed. The formalism of connections is presented. In particular,
operators of covariant derivative and horizontal projection are described and
analysed. Qu... | 1993-11-04 | 2007-05-23 | [
"hep-th"
] | Mico Durdevic |
hep-th/9311031 | The Liouville Theory and SL(2,R) Symmetry | The Liouville action emerges as the effective action of 2-d gravity in the
process of path integral quantization of the bosonic string. It yields a
measure of the violation of classical symmetries of the theory at the quantum
level. Certain aspects of the residual SL(2,R) invariance of the gauge-fixed
Liouville theory ... | 1993-11-04 | 2007-05-23 | [
"hep-th"
] | M. Blagojevic |
hep-th/9311032 | Hamiltonian Analysis of SL(2,R) Symmetry in Liouville Theory | We consider a Hamiltonian analysis of the Liouville theory and construction
of symmetry generators using Castellani's method. We then discuss the
light-cone gauge fixed theory. In particular, we clarify the difference between
Hamiltonian approaches based on different choices of time, $\xi^0$ and $\xi^+$.
Our main resul... | 1993-11-04 | 2010-04-06 | [
"hep-th"
] | M.Blagojevic and T.Vukasinac |
hep-th/9311027 | Reflection Bootstrap Equations for Toda Field Theory | An algebraic approach to integrable quantum field theory with a boundary (a
half line) is presented and interesting algebraic equations, Reflection
equations (RE) and Reflection Bootstrap equations (RBE) are discussed. The
Reflection equations are a consistent generalisation of Yang-Baxter equations
for factorisable sc... | 1993-11-04 | 2007-05-23 | [
"hep-th"
] | R. Sasaki |
hep-th/9311033 | QCD Originated Dynamical Symmetry for Hadrons | We extend previous work on the IR regime approximation of QCD in which the
dominant contribution comes from a dressed two-gluon effective metric-like
field $G_{\mu\nu} = g_{ab} B^{a}_{\mu} B^{b}_{\nu}$ ($g_{ab}$ a color SU(3)
metric). The ensuring effective theory is represented by a
pseudo-diffeomorphisms gauge theory... | 1993-11-04 | 2007-05-23 | [
"hep-th"
] | Djordje \v{S}ija\v{c}ki |
hep-th/9311020 | New series of 3D lattice integrable models | In this paper we present a new series of 3-dimensional integrable lattice
models with $N$ colors. The case $N=2$ generalizes the elliptic model of our
previous paper. The weight functions of the models satisfy modified tetrahedron
equations with $N$ states and give a commuting family of two-layer
transfer-matrices. The... | 1993-11-03 | 2015-06-26 | [
"hep-th"
] | V.V. Mangazeev, S.M. Sergeev, Yu.G. Stroganov |
hep-th/9311016 | Parity and Front-Form Quantization of Field Theories | Recently, we proposed a new front-form quantization which treated both the
$x^{+}$ and the $x^{-}$ coordinates as front-form 'times.' This quantization
was found to preserve parity explicitly. In this paper we extend this
construction to fermion fields in the context of the Yukawa theory. We quantize
this theory using ... | 1993-11-03 | 2015-06-26 | [
"hep-th"
] | Ovid C. Jacob |
hep-th/9311024 | Invariant Correlations in Simplicial Gravity | Some first results are presented regarding the behavior of invariant
correlations in simplicial gravity, with an action containing both a bare
cosmological term and a lattice higher derivative term. The determination of
invariant correlations as a function of geodesic distance by numerical methods
is a difficult task, ... | 1993-11-03 | 2009-10-22 | [
"hep-th"
] | Herbert W. Hamber |
hep-th/9311018 | Sum-over-histories representation for the causal Green function of free
scalar field theory | A set of Green functions ${\cal G}_{\alpha}(x-y), \alpha \in [0, 2 \pi [$,
for free scalar field theory is introduced, varying between the Hadamard Green
function $\Delta_1(x-y) \equiv \linebreak[2] \lsta{0} \hspace{-0.1cm} \{
\varphi(x), \varphi(y) \} \hspace{-0.1cm} \rsta{0}$ and the causal Green
function ${\cal G}_{... | 1993-11-03 | 2014-12-15 | [
"hep-th"
] | Oliver Rudolph |
hep-th/9311021 | Status of Fractional Superstrings | A brief review of the motivation and the present status of Fractional
Superstring is presented. Talk at ``Strings 93'', Berkeley, May 1993. | 1993-11-03 | 2007-05-23 | [
"hep-th"
] | S.-H.H. Tye |
hep-th/9311023 | Hot QCD | I discuss a comprehensive approach to the spacelike physics in high
temperature QCD in three dimensions. The approach makes use of dimensional
reduction. I suggest that this approach is useful for high temperature QCD in
four dimensions. | 1993-11-03 | 2011-04-20 | [
"hep-th"
] | I. Zahed |
hep-th/9311019 | Quantum Back Reaction on a Classical Field | We show how to apply post selection in the context of weak measurement of
Aharonov and collaborators to construct the quantum back reaction on a
classical field. The particular case which we study in this paper is pair
creation in an external electric field and the back reaction is the counter
field produced by the pai... | 1993-11-03 | 2009-10-22 | [
"hep-th"
] | R. Brout, S. Massar, S. Popescu, R. Parentani, Ph. Spindel |
hep-th/9311022 | Einstein-Yang-Mills Theory with a Massive Dilaton and Axion:
String-Inspired Regular and Black Hole Solutions | We study the classical theory of a non-Abelian gauge field (gauge group
$SU(2)$) coupled to a massive dilaton, massive axion and Einstein gravity. The
theory is inspired by the bosonic part of the low-energy heterotic string
action for a general Yang-Mills field, which we consider to leading order after
compactificatio... | 1993-11-03 | 2010-11-01 | [
"hep-th"
] | Christopher M. O'Neill |
hep-th/9311017 | Quantization of Gauge Field Theories on the Front-Form without Gauge
Constraints I : The Abelian Case | Recently, we have proposed a new front-form quantization which treated both
the $x^{+}$ and the $x^{-}$ coordinates as front-form 'times.' This
quantization was found to preserve parity explicitly. In this paper we extend
this construction to local Abelian gauge fields . We quantize this theory using
a method proposed ... | 1993-11-03 | 2013-11-13 | [
"hep-th"
] | Ovid C. Jacob |
hep-th/9311014 | Mirror Symmetry for Hypersurfaces in Weighted Projective Space and
Topological Couplings | By means of toric geometry we study hypersurfaces in weighted projective
space of dimension four. In particular we compute for a given manifold its
intrinsic topological coupling. We find that the result agrees with the
calculation of the corresponding coupling on the mirror model in the large
complex structure limit. | 1993-11-02 | 2009-10-22 | [
"hep-th",
"alg-geom",
"math.AG"
] | P. Berglund and S. Katz |
hep-th/9311012 | Duality invariant class of exact string backgrounds | We consider a class of $2+D$ - dimensional string backgrounds with a target
space metric having a covariantly constant null Killing vector and flat
`transverse' part. The corresponding sigma models are invariant under $D$
abelian isometries and are transformed by $O(D,D)$ duality into models
belonging to the same class... | 1993-11-02 | 2009-09-17 | [
"hep-th"
] | C. Klimcik and A.A.Tseytlin |
hep-th/9311013 | A One Dimensional Ideal Gas of Spinons, or Some Exact Results on the XXX
Spin Chain with Long Range Interaction | We describe a few properties of the XXX spin chain with long range
interaction. The plan of these notes is:
1. The Hamiltonian
2. Symmetry of the model
3. The irreducible multiplets
4. The spectrum
5. Wave functions and statistics
6. The spinon description
7. The thermodynamics | 1993-11-02 | 2016-09-06 | [
"hep-th"
] | D. Bernard, V. Pasquier and D. Serban |
hep-th/9311011 | Is the Lowest Order Supersymmetric WKB Approximation Exact for All Shape
Invariant Potentials ? | It has previously been proved that the lowest order supersymmetric WKB
approximation reproduces the exact bound state spectrum of shape invariant
potentials. We show that this is not true for a new, recently discovered class
of shape invariant potentials and analyse the reasons underlying this breakdown
of the usual pr... | 1993-11-02 | 2009-10-22 | [
"hep-th"
] | D.T.Barclay, Avinash Khare and U.Sukhatme |
hep-th/9311015 | Glueball spectrum in a (1+1)-dimensional model for QCD | We consider (1+1)-dimensional QCD coupled to scalars in the adjoint
representation of the gauge group SU($N$). This model results from dimensional
reduction of the (2+1)-dimensional pure glue theory. In the large-N limit we
study the spectrum of glueballs numerically, using the discretized \lcq. We
find a discrete spec... | 1993-11-02 | 2009-10-22 | [
"hep-th"
] | Kre\v{s}imir Demeterfi, Igor R. Klebanov and Gyan Bhanot |
hep-th/9311007 | Dynamical Moving Mirrors and Black Holes | A simple quantum mechanical model of $N$ free scalar fields interacting with
a dynamical moving mirror is formulated and shown to be equivalent to
two-dimensional dilaton gravity. We derive the semi-classical dynamics of this
system, by including the back reaction due to the quantum radiation. We develop
a hamiltonian ... | 1993-11-01 | 2010-11-01 | [
"hep-th",
"gr-qc"
] | Tze-Dan Chung and Herman Verlinde |
hep-th/9311008 | Chiral bosons and improper constraints | We argue that a consistent quantization of the Floreanini-Jackiw model, as a
constrained system, should start by recognizing the improper nature of the
constraints. Then each boundary conditon defines a problem which must be
treated sparately. The model is settled on a compact domain which allows for a
discrete formula... | 1993-11-01 | 2009-10-22 | [
"hep-th"
] | F. P. Devecchi and H. O. Girotti |
hep-th/9311003 | Theory of Superselection Sectors for Generalized Ising models | We apply the theory of superselection sectors in the same way as done by
G.Mack and V.Schomerus for the Ising model to generalizations of this model
described by J.Fr\"{o}hlich and T.Kerler. | 1993-11-01 | 2016-08-14 | [
"hep-th"
] | J.R.Reyes Mart\'inez |
hep-th/9311004 | Affine Lie Algebras in Massive Field Theory and Form-Factors from Vertex
Operators | We present a new application of affine Lie algebras to massive quantum field
theory in 2 dimensions, by investigating the $q\to 1$ limit of the q-deformed
affine $\hat{sl(2)}$ symmetry of the sine-Gordon theory, this limit occurring
at the free fermion point. Working in radial quantization leads to a
quasi-chiral facto... | 1993-11-01 | 2009-10-22 | [
"hep-th"
] | Andre LeClair |
hep-th/9311002 | Unification of gauge couplings in Kaluza-Klein theory with two internal
manifolds | We consider a Kaluza-Klein theory whose ground state is ${\bf R}^4 \times
{\bf M } \times {\bf K}$ where ${\bf M}$ and ${\bf K}$ are compact,
irreducible, homogenous internal mani folds. This is the simplest ground state
compatible with the existence of the graviton, gauge fields, massless scalar
fields and the absence... | 1993-11-01 | 2009-10-22 | [
"hep-th"
] | M. Arik and V. Gabay |
hep-th/9311005 | Tachyon Hair for Two-Dimensional Black Holes | Using a combination of analytical and numerical methods, we obtain a
two-dimensional spacetime describing a black hole with tachyon hair. The
physical ADM mass of the black hole is finite. The presence of tachyon hair
increases the Hawking temperature. | 1993-11-01 | 2009-09-25 | [
"hep-th"
] | Alan Kostelecky and Malcolm Perry |
hep-th/9311001 | Path Integration and Separation of Variables in Spaces of Constant
Curvature in Two and Three Dimensions | In this paper path integration in two- and three-dimensional spaces of
constant curvature is discussed: i.e.\ the flat spaces $\bbbr^2$ and $\bbbr^3$,
the two- and three-dimensional sphere and the two- and three dimensional
pseudosphere. The Laplace operator in these spaces admits separation of
variables in various coo... | 1993-11-01 | 2011-07-19 | [
"hep-th"
] | Christian Grosche |
hep-th/9311006 | Super--Lax Operator Embedded in Self--Dual Supersymmetric Yang--Mills
Theory | We show that the super-Lax operator for $~N=1$~ supersymmetric
Kadomtsev-Petviashvili equation of Manin and Radul in three-dimensions can be
embedded into recently developed self-dual supersymmetric Yang-Mills theory in
$~2+2\-$dimensions, based on general features of its underlying super-Lax
equation. The differential... | 1993-11-01 | 2015-06-26 | [
"hep-th"
] | H. Nishino |
hep-th/9311010 | Gauging a Non-Semi-Simple WZW Model | We consider gauged WZW models based on a four dimensional non-semi-simple
group. We obtain conformal $\s$-models in $D=3$ spacetime dimensions (with
exact central charge $c=3$) by axially and vectorially gauging a
one-dimensional subgroup. The model obtained in the axial gauging is related to
the $3D$ black string afte... | 1993-11-01 | 2009-10-22 | [
"hep-th"
] | Konstadinos Sfetsos |
hep-th/9311009 | Quantum Background Independence of Closed String Field Theory | We prove local background independence of the complete quantum closed string
field theory using the recursion relations for string vertices and the
existence of connections in CFT theory space. Indeed, with this data we
construct an antibracket preserving map between the state spaces of two nearby
conformal theories ta... | 1993-11-01 | 2009-09-15 | [
"hep-th"
] | Ashoke Sen and Barton Zwiebach |
hep-th/9310197 | The WZNW model as an integrable perturbation of the Witten conformal
point | We show that the WZNW model with arbitrary $\sigma$-model coupling constant
may be viewed as a $\sigma$-model perturbation of the WZNW theory around the
Witten conformal point. In order for the $\sigma$-model perturbation to be
relevant, the level $k$ of the underlying affine algebra has to be negative. We
prove that i... | 1993-10-31 | 2011-07-19 | [
"hep-th"
] | Oleg A. Soloviev |
hep-th/9310201 | Generalized Measures in Gauge Theory | Let P -> M be a principal G-bundle. Using techniques from the loop
representation of gauge theory, we construct well-defined substitutes for
``Lebesgue measure'' on the space A of connections on P and for ``Haar
measure'' on the group Ga of gauge transformations. More precisely, we define
algebras of ``cylinder functio... | 1993-10-31 | 2009-10-22 | [
"hep-th",
"math.OA"
] | John C. Baez |
hep-th/9310200 | On the Universal String Theory | Very recently Berkovits and Vafa have argued that the $N{=}0$ string is a
particular choice of background of the $N{=}1$ string. Under the assumption
that the physical states of the $N{=}0$ string theory came essentially from the
matter degrees of freedom, they proved that the amplitudes of both string
theories agree. ... | 1993-10-31 | 2020-10-19 | [
"hep-th"
] | J.M. Figueroa-O'Farrill |
hep-th/9310199 | Heating Field Theory the ``Environmentally Friendly'' Way! | We discuss how to implement an ``environmentally friendly'' renormalization
in the context of finite temperature field theory. Environmentally friendly
renormalization provides a method for interpolating between the different
effective field theories which characterize different asymptotic regimes. We
give explicit two... | 1993-10-31 | 2007-05-23 | [
"hep-th"
] | M. A. van Ejick, Denjoe O'Connor and C. R. Stephens |
hep-th/9310202 | String Propagation in Gravitational Wave Backgrounds | The Conformal Field Theory of the current algebra of the centrally extended
2-d Euclidean group is analyzed. Its representations can be written in terms of
four free fields (without background charge) with signature ($-$+++). We
construct all irreducible representations of the current algebra with unitary
base out of t... | 1993-10-31 | 2009-10-22 | [
"hep-th"
] | E. Kiritsis and C. Kounnas |
hep-th/9310198 | Environmentally Friendly Renormalization | We analyze the renormalization of systems whose effective degrees of freedom
are described in terms of fluctuations which are ``environment'' dependent.
Relevant environmental parameters considered are: temperature, system size,
boundary conditions, and external fields. The points in the space of \lq\lq
coupling consta... | 1993-10-31 | 2015-06-26 | [
"hep-th"
] | Denjoe O'Connor and C. R. Stephens |
hep-th/9310196 | Quantum Weyl algebras | For any Hecke symmetry $R$ there is a natural quantization $A_n(R)$ of the
Weyl algebra $A_n$. The aim of this paper is to study some general
ring-theoretic aspects of $A_n(R)$ and its relations to formal deformations of
$A_n$. We also obtain further information on those quantizations obtained from
some well-known Heck... | 1993-10-30 | 2008-02-03 | [
"hep-th",
"math.QA"
] | A. Giaquinto and J. J. Zhang |
hep-th/9310192 | Superconformal Covariantization Of Superdifferential Operator On (1|1)
Superspace And Classical N=2 W-superalgebras | A study of the superconformal covariantization of superdifferential operators
defined on $(1|1)$ superspace is presented. It is shown that a
superdifferential operator with a particular type of constraint can be
covariantized only when it is of odd order. In such a case, the action of
superconformal transformation on t... | 1993-10-29 | 2011-07-19 | [
"hep-th"
] | Wen-Jui Huang |
hep-th/9310194 | Supersymmetry of the 2+1 black holes | The supersymmetry properties of the asymptotically anti-de Sitter black holes
of Einstein theory in 2+1 dimensions are investigated. It is shown that (i) the
zero mass black hole has two exact super- symmetries; (ii) extreme $lM=|J|$
black holes with $M \not= 0$ have only one; and (iii) generic black holes do
not have ... | 1993-10-29 | 2009-10-22 | [
"hep-th",
"gr-qc"
] | O. Coussaert and M. Henneaux |
hep-th/9310190 | Time-Dependent Backgrounds in 2D String Theory and the $S$-matrix
Generating Functional | We study the time-dependent tachyon backgrounds of the string collective
field theory using the formalism of the $S$-matrix generating functional. In
the process we clarify the connection between two ways of calculating the
$S$-matrix, the one using the Feynman rule and the other using the classical
solution to the non... | 1993-10-29 | 2013-11-13 | [
"hep-th"
] | Julian Lee |
hep-th/9310193 | Scaling Violation in O(N) Vector Models | We investigate $O(N)$-symmetric vector field theories in the double scaling
limit. Our model describes branched polymeric systems in $D$ dimensions, whose
multicritical series interpolates between the Cayley tree and the ordinary
random walk. We give explicit forms of residual divergences in the free energy,
analogous ... | 1993-10-29 | 2015-06-26 | [
"hep-th"
] | Shinsuke Nishigaki |
hep-th/9310191 | Matrix Models of 2D Gravity and Induced QCD | I review some recent works on the Hermitean one-matrix and d-dimensional
gauge-invariant matrix models. Special attention is paid to solving the models
at large-N by the loop equations. For the one-matrix model the main result
concerns calculations of higher genera, while for the d-dimensional model the
large-N solutio... | 1993-10-29 | 2007-05-23 | [
"hep-th"
] | Yu. Makeenko |
hep-th/9310195 | Constrained effective potential in hot QCD | Constrained effective potentials in hot gauge theory give the probability
that a configuration p of the order parameter (Polyakov loop) occurs. They are
important in the analysis of surface effects and bubble formation in the
plasma. The vector potential appears non-linearly in the loop; in weak coupling
the linear ter... | 1993-10-29 | 2010-11-01 | [
"hep-th"
] | C.P.Korthals Altes |
hep-th/9310187 | Conformal Field Theory and Geometry of Strings | What is quantum geometry? This question is becoming a popular leitmotiv in
theoretical physics and in mathematics. Conformal field theory may catch a
glimpse of the right answer. We review global aspects of the geometry of
conformal fields, such as duality and mirror symmetry, and interpret them
within Connes' non-comm... | 1993-10-28 | 2008-02-03 | [
"hep-th"
] | Jurg Frohlich and Krzysztof Gawedzki |
hep-th/9310186 | Measurement Theory in Lax-Phillips Formalism | It is shown that the application of Lax-Phillips scattering theory to quantum
mechanics provides a natural framework for the realization of the ideas of the
Many-Hilbert-Space theory of Machida and Namiki to describe the development of
decoherence in the process of measurement. We show that if the quantum
mechanical ev... | 1993-10-28 | 2009-10-22 | [
"hep-th"
] | S. Tasaki, E. Eisenberg, L. P. Horwitz |
hep-th/9310188 | Bound State Boundary S-matrix of the sine-Gordon Model | We study the boundary S-matrix for the reflection of bound states of the
two-dimensional sine-Gordon integrable field theory in the presence of a
boundary. | 1993-10-28 | 2010-01-07 | [
"hep-th"
] | Subir Ghoshal |
hep-th/9310183 | Infinite Families of Gauge-Equivalent $R$-Matrices and Gradations of
Quantized Affine Algebras | Associated with the fundamental representation of a quantum algebra such as
$U_q(A_1)$ or $U_q(A_2)$, there exist infinitely many gauge-equivalent
$R$-matrices with different spectral-parameter dependences. It is shown how
these can be obtained by examining the infinitely many possible gradations of
the corresponding q... | 1993-10-28 | 2010-12-01 | [
"hep-th"
] | Anthony J. Bracken, Gustav W. Delius, Mark D. Gould and Yao-Zhong
Zhang |
hep-th/9310185 | BPST instanton and Spin from inequivalent quantizations | We present a simple alternative to Mackey's account of the (infinite)
inequivalent quantizations possible on a coset space G/H. Our reformulation is
based on the reduction ${\rm G \rightarrow G/H}$ and employs a generalized form
of Dirac's approach to the quantization of constrained systems. When applied to
the four-sp... | 1993-10-28 | 2009-10-22 | [
"hep-th"
] | David McMullan and Izumi Tsutsui |
hep-th/9310189 | Anyons as quon particles | The momentum operator representation of nonrelativistic anyons is developed
in the Chern - Simons formulation of fractional statistics. The connection
between anyons and the q-deformed bosonic algebra is established. | 1993-10-28 | 2009-10-22 | [
"hep-th"
] | V.Bardek, M.Doresic and S.Meljanac |
hep-th/9310184 | Orbifold Compactifications with continuous Wilson lines | We identify the untwisted moduli of heterotic orbifold compactifications for
the case, when the gauge twist is realized by a rotation. The Wilson lines are
found to have both continuous and discrete parts. For the case of the standard
Z(3) orbifold we classify all possibilities of breaking the gauge group E(6)
times SU... | 1993-10-28 | 2014-11-18 | [
"hep-th"
] | Thomas Mohaupt |
hep-th/9310182 | Classification of Non-Abelian Chern-Simons Vortices | The two-dimensional self-dual Chern-Simons equations are equivalent to the
conditions for static, zero-energy vortex-like solutions of the (2+1)
dimensional gauged nonlinear Schr\"odinger equation with Chern-Simons
matter-gauge coupling. The finite charge vacuum states in the Chern-Simons
theory are shown to be gauge e... | 1993-10-27 | 2007-05-23 | [
"hep-th"
] | Gerald Dunne |
hep-th/9310177 | A Note on the Relation between Different Forms of Superparticle
Dynamics' | A formulation of $D\is 10$ superparticle dynamics is given that contain
space-time and twistor variables. The set of constraints is entirely first
class, and gauge conditions may be imposed that reduces the system to a
Casalbuoni-Brink-Schwarz superparticle, a spinning particle or a twistor
particle. | 1993-10-27 | 2015-06-26 | [
"hep-th"
] | Martin Cederwall |
hep-th/9310176 | Elements of Reality and the Failure of the Product Rule Measurability of
Commuting Observables | The concept of ``elements of reality" is analyzed within the framework of
quantum theory. It is shown that elements of reality fail to fulfill the
product rule. This is the core of recent proofs of the impossibility of a
Lorentz-invariant interpretation of quantum mechanics. A generalization and
extension of the concep... | 1993-10-27 | 2007-05-23 | [
"hep-th"
] | Lev Vaidman |
hep-th/9310180 | Bosonization of a Topological Coset Model and Non-Critical String Theory | We analyze the relation between a topological coset model based on super
$SL(2,R)/U(1)$ coset and non-critical string theory by using free field
realization. We show that the twisted $N=2$ algebra of the coset model can be
naturally transformed into that of non-critical string. The screening operators
of the coset mode... | 1993-10-27 | 2009-10-22 | [
"hep-th"
] | Nobuyoshi Ohta and Hisao Suzuki |
hep-th/9310178 | Supercurrents on Asymmetric Orbifolds | We study $E_8 \times E_8$-heterotic string on asymmetric orbifolds associated
with semi-simple simply-laced Lie algebras. Using the fact that $E_6$-model
allows different twists, we present a new N=1 space-time supersymmetric model
whose supercurrent appears from twisted sectors but not untwisted sector. | 1993-10-27 | 2010-11-01 | [
"hep-th"
] | Yasumasa Imamura |
hep-th/9310181 | Classification of Quantum Hall Universality Classes by $\ W_{1+\infty}\
$ symmetry | We show how two-dimensional incompressible quantum fluids and their
excitations can be viewed as $\ W_{1+\infty}\ $ edge conformal field theories,
thereby providing an algebraic characterization of incompressibility. The
Kac-Radul representation theory of the $\ W_{1+\infty}\ $ algebra leads then to
a purely algebraic ... | 1993-10-27 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | A. Cappelli, C. A. Trugenberger and G. R. Zemba |
hep-th/9310179 | Algebraic structure of Gravity with Torsion | The BRS transformations for gravity with torsion are discussed by using the
Maurer-Cartan horizontality conditions. With the help of an operator $\d$ which
allows to decompose the exterior space-time derivative as a BRS commutator we
solve the Wess-Zumino consistency condition corresponding to invariant
Lagrangians and... | 1993-10-27 | 2010-04-06 | [
"hep-th"
] | O. Moritsch, M. Schweda and S. P. Sorella |
hep-th/9310172 | Inter-Relations of Solvable Potentials | Solvable Natanzon potentials in nonrelativistic quantum mechanics are known
to group into two disjoint classes depending on whether the Schr\"odinger
equation can be reduced to a hypergeometric or a confluent hypergeometric
equation. All the potentials within each class are connected via point
canonical transformations... | 1993-10-26 | 2009-09-25 | [
"hep-th"
] | Asim Gangopadhyaya, Prasanta K. Panigrahi, and Uday P. Sukhatme |
hep-th/9310168 | Special functions from quantum canonical transformations | Quantum canonical transformations are used to derive the integral
representations and Kummer solutions of the confluent hypergeometric and
hypergeometric equations. Integral representations of the solutions of the
non-periodic three body Toda equation are also found. The derivation of these
representations motivate the... | 1993-10-26 | 2009-10-22 | [
"hep-th"
] | Arlen Anderson |
hep-th/9310169 | Gauss Decomposition, Wakimoto Realisation and Gauged WZNW Models | The implications of gauging the Wess-Zumino-Novikov-Witten (WZNW) model using
the Gauss decomposition of the group elements are explored. We show that,
contrary to standard gauging of WZNW models, this gauging is carried out by
minimally coupling the gauge fields. We find that this gauging, in the case of
gauging an ab... | 1993-10-26 | 2015-06-26 | [
"hep-th"
] | H. Arfaei and Noureddine Mohammedi |
hep-th/9310167 | Perturbative Gauge Anomalies in the Hamiltonian Formalism: A
Cohomological Analysis | The quantum action principle of renormalisation theory is applied to the
antibracket-antifield formalism for Hamiltonian systems. General results on the
local BRST cohomology allow one to prove that the anomalies appear in the time
development of the BRST charge and violate the nilpotency of this charge.
Furthermore th... | 1993-10-26 | 2009-10-22 | [
"hep-th"
] | G. Barnich |
hep-th/9310174 | Dilaton Black Holes with Electric Charge | Static spherically symmetric solutions of the Einstein-Maxwell gravity with
the dilaton field are described. The solutions correspond to black holes and
are generalizations of the previously known dilaton black hole solution. In
addition to mass and electric charge these solutions are labeled by a new
parameter, the di... | 1993-10-26 | 2008-11-26 | [
"hep-th"
] | Malik Rakhmanov |
hep-th/9310175 | Spin Structures on Kleinian Manifolds | We derive the topological obstruction to spin-Klein cobordism. This result
has implications for signature change in general relativity, and for the $N=2$
superstring. | 1993-10-26 | 2010-04-06 | [
"hep-th",
"gr-qc",
"math.DG",
"math.GT"
] | Lloyd Alty and Andrew Chamblin |
hep-th/9310171 | Example of q-deformed Field Theory | The non-relativistic Chern-Simons theory with the single-valued anyonic field
is proposed as an example of q-deformed field theory. The corresponding
q-deformed algebra interpolating between bosons and fermions,both in position
and momentum spaces, is analyzed.A possible generalization to a space with an
arbitrary dime... | 1993-10-26 | 2015-06-26 | [
"hep-th"
] | V.Bardek, M.Doresic and S.Meljanac |
hep-th/9310170 | On the Uniqueness of String Theory | We show that bosonic strings may be viewed as a particular class of vacua for
N=1 superstrings, and N=1 superstrings may be viewed as a particular class of
vacua for N=2 strings. Continuing this line of string hierarchies, we are led
to search for a universal string theory which includes all the rest as a
special vacuu... | 1993-10-26 | 2015-06-26 | [
"hep-th"
] | Nathan Berkovits and Cumrun Vafa |
hep-th/9310173 | The Dirac-Coulomb Problem for the $\kappa$-Poincare Quantum Group | The recently introduced $\kappa$-Poincare-Dirac equation is gauged to treat
the $\kappa$-Dirac-Coulomb problem. For the resulting equation, we prove that
the perturbation to first order in the quantum group parameter vanishes
identically. The second order perturbation is singular, but assuming a
heuristic cut-off allow... | 1993-10-26 | 2009-10-22 | [
"hep-th"
] | L.C. Biedenharn, B. Mueller, and M. Tarlini |
hep-th/9310165 | Wilson loop for large N Yang-Mills theory on a two-dimensional sphere | We calculate various Wilson loop averages in a pure $SU(N)$-gauge theory on a
two-dimensional sphere, in the large $N$ limit. The results can be expressed
through the density of rows in the most probable Young tableau. They are valid
in both phases (small and large areas of the sphere). All averages for
self-intersecti... | 1993-10-26 | 2009-10-22 | [
"hep-th"
] | Jean-Marc DAUL and Vladimir A.KAZAKOV |
hep-th/9310166 | Construction of topological field theories using BV | We discuss in detail the construction of topological field theories using the
Batalin--Vilkovisky (BV) quantisation scheme. By carefully examining the
dependence of the antibracket on an external metric, we show that
differentiating with respect to the metric and the BRST charge do not commute
in general. We introduce ... | 1993-10-26 | 2009-10-22 | [
"hep-th"
] | F. De Jonghe and S. Vandoren |
hep-th/9310163 | Induced Polyakov supergravity on Riemann surfaces of higher genus | An effective action is obtained for the $N=1$, $2D-$induced supergravity on a
compact super Riemann surface (without boundary) $\hat\Sigma$ of genus $g>1$,
as the general solution of the corresponding superconformal Ward identity. This
is accomplished by defining a new super integration theory on $\hat\Sigma$
which inc... | 1993-10-25 | 2010-04-06 | [
"hep-th"
] | J-P Ader and H.Kachkachi |
hep-th/9310162 | On the Path Integral in Imaginary Lobachevsky Space | The path integral on the single-sheeted hyperboloid, i.e.\ in $D$-dimensional
imaginary Lobachevsky space, is evaluated. A potential problem which we call
``Kepler-problem'', and the case of a constant magnetic field are also
discussed. | 1993-10-25 | 2009-10-22 | [
"hep-th"
] | Christian Grosche |
hep-th/9310164 | Spherical Categories | This paper is a study of monoidal categories with duals where the tensor
product need not be commutative. The motivating examples are categories of
representations of Hopf algebras and the motivating application is the
definition of 6j-symbols as used in topological field theories.
We introduce the new notion of a sp... | 1993-10-25 | 2008-11-26 | [
"hep-th",
"math.QA"
] | John W. Barrett and Bruce W. Westbury |
hep-th/9310161 | A possible origin of symmetric/asymmetric vertex models | This paper is removed from the network permanently. The content in this paper
has now been put together with hep-th/9310183. See the recently replaced and
widely revised version of the latter. | 1993-10-25 | 2008-02-03 | [
"hep-th"
] | Anthony J. Bracken, Yao-Zhong Zhang and Mark D Gould |
hep-th/9310160 | Kac and New Determinants for Fractional Superconformal Algebras | We derive the Kac and new determinant formulae for an arbitrary (integer)
level $K$ fractional superconformal algebra using the BRST cohomology
techniques developed in conformal field theory. In particular, we reproduce the
Kac determinants for the Virasoro ($K=1$) and superconformal ($K=2$) algebras.
For $K\geq3$ ther... | 1993-10-24 | 2009-10-22 | [
"hep-th"
] | Zurab Kakushadze and S.-H. Henry Tye |
hep-th/9310156 | Space-time Geometry in Exactly Solvable Quantum Dilaton Gravity | We describe in detail how one can extract space-time geometry in an exactly
solvable model of quantum dilaton gravity of the type proposed by Callan,
Giddings, Harvey and Strominger ( CGHS ). Based on our previous work, in which
a model with 24 massless matter scalars was quantized rigorously in BRST
operator formalism... | 1993-10-23 | 2009-10-22 | [
"hep-th"
] | Y. Kazama and Y. Satoh |
hep-th/9310159 | Antisymmetric tensor coupling and conformal invariance in sigma models
corresponding to gauged WZNW theories | String backgrounds associated with gauged $G/H$ WZNW models generically
depend on $\alpha'$ or $1/k$. The exact expressions for the corresponding
metric $G_{\m\n}$, antisymmetric tensor $B_{\m\n}$, and dilaton $\phi$ can be
obtained by eliminating the $2d$ gauge field from the local part of the
effective action of the ... | 1993-10-23 | 2009-09-17 | [
"hep-th"
] | K. Sfetsos and A.A. Tseytlin |
hep-th/9310158 | The Yangian symmetry of the Hubbard Model | We discovered new hidden symmetry of the one-dimensional Hubbard model. We
showthat the one-dimensional Hubbard model on the infinite chain has the
infinite-dimensional algebra of symmetries. This algebra is a direct sum of two
$ sl(2) $-Yangians. This $ Y(sl(2)) \oplus Y(sl(2)) $ symmetry is an extension
of the well-k... | 1993-10-23 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | D.B.Uglov and V.E.Korepin |
hep-th/9310155 | Extraction of Black Hole Geometry in Exactly Quantized Two Dimensional
Dilaton Gravity | Based on our previous work, in which a model of two dimensional dilaton
gravity of the type proposed by Callan, Giddings, Harvey and Strominger was
rigorously quantized, we explicitly demonstrate how one can extract space-time
geometry in exactly solvable theory of quantum gravity. In particular, we have
been able to p... | 1993-10-23 | 2009-12-30 | [
"hep-th"
] | Y. Kazama and Y. Satoh |
hep-th/9310157 | Black Hole Complementarity and the Physical Origin of the Stretched
Horizon | We discuss the idea of black hole complementarity, recently suggested by
Susskind et al., and the notion of stretched horizon, in the light of the
generalized uncertainty principle of quantum gravity. We discuss implications
for the no-hair theorem and we show that within this approach quantum hair
arises naturally. | 1993-10-23 | 2009-10-22 | [
"hep-th",
"gr-qc"
] | Michele Maggiore |
hep-th/9310151 | Limits on extra dimensions in orbifold compactifications of superstrings | Perturbative breaking of supersymmetry in four-dimensional string theories
predict in general the existence of new large dimensions at the TeV scale. Such
dimensions can be consistent with perturbative unification up to the Planck
scale in a class of string models and open the exciting possibility of lowering
a part of... | 1993-10-22 | 2008-11-26 | [
"hep-th",
"hep-ph"
] | I. Antoniadis and K. Benakli |
hep-th/9310152 | Scalar Fields Coupled to Four-Dimensional Lattice Gravity | I discuss some results we have obtained recently in a lattice model for
quantized gravity coupled to scalar matter in four dimensions. We have looked
at how the continuous phase transition separating the smooth from the rough
phase of gravity is influenced by the presence of the scalar field. We find
that close to the ... | 1993-10-22 | 2007-05-23 | [
"hep-th"
] | Herbert W. Hamber (UC Irvine) |
hep-th/9310154 | Lattice W algebras and quantum groups | We represent Feigin's construction [11] of lattice W algebras and give some
simple results: lattice Virasoro and $W_3$ algebras. For simplest case
$g=sl(2)$ we introduce whole $U_q(sl(2))$ quantum group on this lattice. We
find simplest two-dimensional module as well as exchange relations and define
lattice Virasoro al... | 1993-10-22 | 2008-02-03 | [
"hep-th",
"math.QA"
] | S. V. Kryukov, Ya. P. Pugay |
hep-th/9310148 | Algebraic connections on parallel universes | For any manifold $M$, we introduce a $\ZZ $-graded differential algebra
$\Xi$, which, in particular, is a bi-module over the associative algebra
$C(M\cup M)$. We then introduce the corresponding covariant differentials and
show how this construction can be interpreted in terms of Yang-Mills and Higgs
fields. This is a ... | 1993-10-22 | 2009-10-22 | [
"hep-th"
] | R. Coquereaux, R. Haussling, F. Scheck |
hep-th/9310147 | Currents on Grassmann algebras | We define currents on a Grassmann algebra $Gr(N)$ with $N$ generators as
distributions on its exterior algebra (using the symmetric wedge product). We
interpret the currents in terms of ${\Z}_2$-graded Hochschild cohomology and
closed currents in terms of cyclic cocycles (they are particular multilinear
forms on $Gr(N)... | 1993-10-22 | 2015-06-26 | [
"hep-th"
] | R. Coquereaux, E. Ragoucy |
hep-th/9310153 | On equivalence of Floer's and quantum cohomology | (In the revised version the relevant aspect of noncompactness of the moduli
of instantons is discussed. It is shown nonperturbatively that any BRST trivial
deformation of A-model which does not change the ranks of BRST cohomology does
not change the topological correlation functions either) We show that the Floer
cohom... | 1993-10-22 | 2009-10-22 | [
"hep-th"
] | V. Sadov |
hep-th/9310149 | The Higgs model for anyons and Liouville action | We connect Liouville theory, anyons and Higgs model in a purely geometrical
way. | 1993-10-22 | 2009-10-22 | [
"hep-th",
"cond-mat",
"hep-ph"
] | Marco Matone |
hep-th/9310139 | On the fundamental representation of Borcherds algebras with one
imaginary simple root | Borcherds algebras represent a new class of Lie algebras which have almost
all the properties that ordinary Kac-Moody algebras have, and the only major
difference is that these generalized Kac-Moody algebras are allowed to have
imaginary simple roots. The simplest nontrivial examples one can think of are
those where on... | 1993-10-21 | 2009-10-22 | [
"hep-th",
"math.QA"
] | R. W. Gebert, J. A. Teschner |
hep-th/9310144 | Lectures on 2d Gauge Theories: Topological Aspects and Path Integral
Techniques | These are lecture notes of lectures presented at the 1993 Trieste Summer
School, dealing with two classes of two-dimensional field theories,
(topological) Yang-Mills theory and the G/G gauged WZW model. The aim of these
lectures is to exhibit and extract the topological information contained in
these theories, and to p... | 1993-10-21 | 2007-05-23 | [
"hep-th"
] | Matthias Blau and George Thompson |
hep-th/9310145 | Poisson Lie Group Symmetries for the Isotropic Rotator | We find a new Hamiltonian formulation of the classical isotropic rotator
where left and right $SU(2)$ transformations are not canonical symmetries but
rather Poisson Lie group symmetries. The system corresponds to the classical
analog of a quantum mechanical rotator which possesses quantum group
symmetries. We also exa... | 1993-10-21 | 2015-06-26 | [
"hep-th"
] | G. Marmo, A. Simoni, A. Stern |
hep-th/9310142 | Spinor and Isospinor Structure of Relativistic Particle Propagators | Representations by means of path integrals are used to find spinor and
isospinor structure of relativistic particle propagators in external fields.
For Dirac propagator in an external electromagnetic field all grassmannian
integrations are performed and a general result is presented via a bosonic path
integral. The spi... | 1993-10-21 | 2009-10-22 | [
"hep-th"
] | D.M.Gitman and Sh.M. Shvartsman (Institute of Physics University of
S\~ao Paulo, Brasil; Dept. of Physics, Case Western Reserve University,
Cleveland, USA) |
hep-th/9310138 | Symplectic Manifolds, Coherent States and Semiclassical Approximation | We describe the symplectic structure and Hamiltonian dynamics for a class of
Grassmannian manifolds. Using the two dimensional sphere ($S^2$) and disc
($D^2$) as illustrative cases, we write their path integral representations
using coherent state techniques. These path integrals can be evaluated exactly
by semiclassic... | 1993-10-21 | 2010-11-01 | [
"hep-th"
] | S. G. Rajeev, S. Kalyana Rama, and Siddhartha Sen |
hep-th/9310143 | Non-Perturbative interactions in two-dimensional (super) string theory | Non-perturbative interactions in the effective action of two-dimensional
bosonic string theory are described. These interactions are due to ``stringy"
instantons that are associated with a space-varying coupling parameter. We
present progress towards identifying similar non-perturbative interactions in
the effective ac... | 1993-10-21 | 2007-05-23 | [
"hep-th"
] | R. Brustein, M. Faux and B. Ovrut |
hep-th/9310146 | A Generalized Gauge Invariant Regularization of the Schwinger Model | The Schwinger model is studied with a new one - parameter class of gauge
invariant regularizations that generalizes the usual point - splitting or
Fujikawa schemes. The spectrum is found to be qualitatively unchanged, except
for a limiting value of the regularizing parameter, where free fermions appear
in the spectrum. | 1993-10-21 | 2009-10-22 | [
"hep-th"
] | G. Bhattacharya, A. Ghosh and P. Mitra |
hep-th/9310141 | Finite temperature effective potential on hyperbolic spacetimes | The finite temperature one-loop effective potential for a scalar field
defined on an ultrastatic spacetime, whose spatial part is a compact hyperbolic
manifold, is studied. Different analytic expressions, especially valuable at
low and high temperature are derived. Based on these results, the symmetry
breaking and the ... | 1993-10-21 | 2011-08-17 | [
"hep-th"
] | Guido Cognola, Klaus Kirsten, Luciano Vanzo and Sergio Zerbini |
hep-th/9310140 | 4D Quantum Affine Algebras and Space--Time q-Symmetries | A global model of $q$-deformation for the quasi--orthogonal Lie algebras
generating the groups of motions of the four--dimensional affine Cayley--Klein
geometries is obtained starting from the three dimensional deformations. It is
shown how the main algebraic classical properties of the CK systems can be
implemented in... | 1993-10-21 | 2009-10-22 | [
"hep-th",
"math.QA"
] | A. Ballesteros, F.J. Herranz, M.A. del Olmo and M. Santander |
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