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/9403126 | Equivariance, BRST and Superspace | The structure of equivariant cohomology in non-abelian localization formulas
and topological field theories is discussed. Equivariance is formulated in
terms of a nilpotent BRST symmetry, and another nilpotent operator which
restricts the BRST cohomology onto the equivariant, or basic sector. A
superfield formulation i... | 1994-03-21 | 2009-10-28 | [
"hep-th"
] | Antti J. Niemi and O. Tirkkonen |
hep-th/9403119 | Chern-Simons-Witten Theory as a Topological Fermi Liquid | We reinterpret U(N) Chern-Simons-Witten theory quantized on a torus as a free
fermion system. Its Hilbert space and some observables are simply related to
those of group quantum mechanics, even at finite N and k. Its large N limit can
be described using techniques developed for matrix quantum mechanics and
two-dimensio... | 1994-03-21 | 2009-09-25 | [
"hep-th"
] | Michael R. Douglas |
hep-th/9403114 | Coherent States for Quantum Compact Groups | Coherent states are introduced and their properties are discussed for all
simple quantum compact groups. The multiplicative form of the canonical element
for the quantum double is used to introduce the holomorphic coordinates on a
general quantum dressing orbit and interpret the coherent state as a
holomorphic function... | 1994-03-19 | 2010-11-01 | [
"hep-th",
"math.QA"
] | B. Jurco, P. Stovicek |
hep-th/9403117 | Universalty and Ultraviolet Regularizations of Chern-Simons Theory | The universality of radiative corrections to the gauge coupling constant $k$
of Chern-Simons theory is studied in a very general regularization scheme. We
show that the effective coupling constant $k$ induced by radiative corrections
depends crucially on the balance between the ultraviolet behavior of scalar and
pseudo... | 1994-03-19 | 2009-10-28 | [
"hep-th"
] | M. Asorey, F. Falceto, J.L. Lopez and G. Luzon |
hep-th/9403113 | Duality of Lorentzian and Euclidean black holes in two-dimensional
string-generated models | We discuss the properties of lorentzian and euclidean black hole solutions of
a generalized 2-dim dilaton-gravity action containing a modulus field, which
arises from the compactification of heterotic string models. The duality
symmetries of these solutions are also investigated. | 1994-03-19 | 2010-11-01 | [
"hep-th"
] | M. Cadoni and S. Mignemi |
hep-th/9403116 | Renormalization Ambiguities in Chern-Simons Theory | We introduce a new family of gauge invariant regularizations of Chern-Simons
theories which generate one-loop renormalizations of the coupling constant of
the form $k\to k+2 s c_v$ where $s$ can take any arbitrary integer value. In
the particular case $s=0$ we get an explicit example of a gauge invariant
regularization... | 1994-03-19 | 2009-10-28 | [
"hep-th"
] | M. Asorey, F. Falceto, J.L. Lopez and G. Luzon |
hep-th/9403115 | Higher Order Action for the Interaction of the String with the Dilaton | The theory of the string in interaction with a dilaton background field is
analyzed. In the action considered, the metric in the world sheet of the string
is the induced metric, and the theory presents second order time derivatives.
The canonical formalism is developed and it is showed that first and second
class const... | 1994-03-19 | 2009-10-28 | [
"hep-th"
] | M. A. Lledo and A. Resturccia |
hep-th/9403110 | On Automorphisms and Universal R-Matrices at Roots of Unity | Invertible universal R-matrices of quantum Lie algebras do not exist at roots
of unity. There exist however quotients for which intertwiners of tensor
products of representations always exist, i.e. R-matrices exist in the
representations. One of these quotients, which is finite dimensional, has a
universal R-matrix. In... | 1994-03-18 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Daniel Arnaudon |
hep-th/9403103 | Polyakov's Spin Factor for a Classical Spinning Particle via BRST
Invariant Path Integral | For the `classical' formulation of a massive spinning particle, the
propagator is obtained along with the spin factor. We treat the system with two
kinds of constraints that were recently shown to be concerned with the
reparametrization invariance and `quasi-supersymmetry'. In the path integral,
the BRST invariant Lagr... | 1994-03-18 | 2009-10-28 | [
"hep-th"
] | Jin-Ho Cho, Seungjoon Hyun and Hyuk-Jae Lee |
hep-th/9403106 | Instantons in Large Order of the Perturbative Series | Behavior of the Euclidean path integral at large orders of the perturbation
series is studied. When the model allows tunneling, the path-integral
functional in the zero instanton sector is known to be dominated by bounce-like
configurations at large order of the perturbative series, which causes
non-convergence of the ... | 1994-03-18 | 2010-11-01 | [
"hep-th"
] | Hideaki Aoyama |
hep-th/9403105 | Quasitriangularity of quantum groups at roots of 1 | An important property of a Hopf algebra is its quasitriangularity and it is
useful various applications. This property is investigated for quantum groups
$sl_2$ at roots of 1. It is shown that different forms of the quantum group
$sl_2$ at roots of 1 are either quasitriangular or have similar structure which
will be ca... | 1994-03-18 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Nicolai Reshetikhin |
hep-th/9403111 | Renormalization Group and Universality | It is argued that universality is severely limited for models with multiple
fixed points. As a demonstration the renormalization group equations are
presented for the potential and the wave function renormalization constants in
the $O(N)$ scalar field theory. Our equations are superior compared with the
usual approach ... | 1994-03-18 | 2009-10-28 | [
"hep-th"
] | Sen-Ben Liao and Janos Polonyi |
hep-th/9403107 | Completeness of Bethe's states for generalized $XXZ$ model | We study the Bethe ansatz equations for a generalized $XXZ$ model on a
one-dimensional lattice. Assuming the string conjecture we propose an integer
version for vacancy numbers and prove a combinatorial completeness of Bethe's
states for a generalized $XXZ$ model. We find an exact form for inverse matrix
related with v... | 1994-03-18 | 2008-11-26 | [
"hep-th"
] | Anatol N. Kirillov and Nadejda A. Liskova |
hep-th/9403108 | Geometric and Renormalized Entropy in Conformal Field Theory | In statistical physics, useful notions of entropy are defined with respect to
some coarse graining procedure over a microscopic model. Here we consider some
special problems that arise when the microscopic model is taken to be
relativistic quantum field theory. These problems are associated with the
existence of an inf... | 1994-03-18 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | C. Holzhey, F. Larsen and F. Wilczek |
hep-th/9403109 | Supercoherent States, Super K\"ahler Geometry and Geometric Quantization | Generalized coherent states provide a means of connecting square integrable
representations of a semi-simple Lie group with the symplectic geometry of some
of its homogeneous spaces. In the first part of the present work this point of
view is extended to the supersymmetric context, through the study of the
OSp(2/2) coh... | 1994-03-18 | 2015-06-26 | [
"hep-th",
"alg-geom",
"math.AG"
] | Amine M. El Gradechi and Luis M. Nieto |
hep-th/9403112 | On the support of the Ashtekar-Lewandowski measure | We show that the Ashtekar-Isham extension of the classical configuration
space of Yang-Mills theories (i.e. the moduli space of connections) is
(topologically and measure-theoretically) the projective limit of a family of
finite dimensional spaces associated with arbitrary finite lattices. These
results are then used t... | 1994-03-18 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | Donald Marolf and Jose M. Mourao |
hep-th/9403104 | Perturbative Analysis of Nonabelian Aharonov-Bohm Scattering | We perform a perturbative analysis of the nonabelian Aharonov-Bohm problem to
one loop in a field theoretic framework, and show the necessity of contact
interactions for renormalizability of perturbation theory. Moreover at critical
values of the contact interaction strength the theory is finite and preserves
classical... | 1994-03-18 | 2009-10-28 | [
"hep-th"
] | Dongsu Bak and Oren Bergman |
hep-th/9403102 | Asymptotic Solutions to the Knizhnik-Zamolodchikov Equation and Crystal
Base | The Knizhnik-Zamolodchikov equation associated with $s\ell_2$ is considered.
The transition functions between asymptotic solutions to the
Knizhnik-Zamolodchikov equation are described. A connection between asymptotic
solutions and the crystal base in the tensor product of modules over the
quantum group $U_qs\ell_2$ is ... | 1994-03-17 | 2009-10-28 | [
"hep-th"
] | A.Varchenko |
hep-th/9403100 | On representations of super coalgebras | The general structure of the representation theory of a $Z_2$-graded
coalgebra is discussed. The result contains the structure of Fourier analysis
on compact supergroups and quantisations thereof as a special case. The general
linear supergroups serve as an explicit illustration and the simplest example
is carried out ... | 1994-03-17 | 2009-10-28 | [
"hep-th"
] | A. H\"uffmann |
hep-th/9403095 | Recoil Correction in the Dirac-Coulomb Problem | The expression for the first recoil correction to the Dirac-Coulomb spectrum
is obtained employing the gauge invariance. | 1994-03-17 | 2008-02-03 | [
"hep-th",
"hep-ph"
] | A.S. Yelkhovsky |
hep-th/9403097 | The Gauged WZNW Model Perturbed by the Sigma Model Term | We discuss special perturbations of the gauged level $k$ WZNW model inspired
by the $\sigma$-model perturbation of the nonunitary WZNW model. In the large
$k$ limit there is a second conformal point in the vicinity of the ultarviolet
fixed point. At the second critical point the conformal model has a rational
Virasoro ... | 1994-03-17 | 2008-02-03 | [
"hep-th"
] | O. A. Soloviev |
hep-th/9403101 | The zero-curvature representation for nonlinear O(3) sigma-model | We consider O(3) sigma-model as a reduction of the principal chiral field.
This approach allows to introduce the currents with ultralocal
Poisson brackets and to obtain the zero-curvature equation which admits the
fundamental Poisson bracket. | 1994-03-17 | 2007-05-23 | [
"hep-th"
] | A.G.Bytsko |
hep-th/9403096 | Lectures on Mirror Symmetry | We give an introduction to mirror symmetry of strings on Calabi-Yau manifolds
with an emphasis on its applications e.g. for the computation of Yukawa
couplings. We introduce all necessary concepts and tools such as the basics of
toric geometry, resolution of singularities, construction of mirror pairs,
Picard-Fuchs equ... | 1994-03-17 | 2009-10-28 | [
"hep-th"
] | S. Hosono, A. Klemm and S. Theisen |
hep-th/9403099 | Principal Chiral Field at Large N | We present the exact and explicit solution of the principal chiral field in
two dimensions for an infinitely large rank group manifold. The energy of the
ground state is explicitly found for the external Noether's fields of an
arbitrary magnitude. The exact Gell-Mann - Low function exhibits the asymptotic
freedom behav... | 1994-03-17 | 2009-10-28 | [
"hep-th"
] | V.A.Fateev, V.A.Kazakov and P.B.Wiegmann |
hep-th/9403098 | Large Improved Wick Rotation Prescription in Stochastic Quantization of
Dissipative Systems | We apply Stochastic Quantization Method to dissipative systems at finite
temperature. Especially, the relation of SQM to the Caldeira-Leggett model is
clarified ensuring that the naive Wick rotation is improved in this context. We
show that the Langevin system obtained by the \lq\lq Improved Wick Rotation "
prescriptio... | 1994-03-17 | 2007-05-23 | [
"hep-th"
] | Naohito Nakazawa and Eisaku Sakane |
hep-th/9403094 | An elliptic quantum algebra for $\widehat{sl}_2$ | An elliptic deformation of $\widehat{sl}_2$ is proposed. Our presentation of
the algebra is based on the relation $RLL=LLR^*$, where $R$ and $R^*$ are
eight-vertex $R$-matrices with the elliptic moduli chosen differently. In the
trigonometric limit, this algebra reduces to a quotient of that proposed by
Reshetikhin and... | 1994-03-17 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Omar Foda, K. Iohara, M. Jimbo, R. Kedem, T. Miwa and H. Yan |
hep-th/9403086 | A Universal w String Theory | It has been shown that there is a sequential embedding structure in a $w_N$\
string theory based on a linearized $W_N$\ algebra. The $w_N$\ string theory is
obtained as a special realization of the $w_{N+1}$\ string. The $w_{\infty}$\
string theory is a universal string theory in this sense. We have also shown
that the... | 1994-03-16 | 2009-10-28 | [
"hep-th"
] | Hiroshi Kunitomo, Makoto Sakaguchi and Akira Tokura |
hep-th/9403090 | Diffeomorphisms of Curved Manifolds | We obtain an expression for the curvature of the Lie group SDiff$\cal M$ and
use it to derive Lukatskii's formula for the case where $\cal M$ is locally
Euclidean. We discuss qualitatively some previous findings for SDiff$S^{2}$ in
conjunction with our result. | 1994-03-16 | 2008-02-03 | [
"hep-th",
"math.DG"
] | J. S. Apps |
hep-th/9403093 | Braided Hopf Algebras and Differential Calculus | We show that the algebra of the bicovariant differential calculus on a
quantum group can be understood as a projection of the cross product between a
braided Hopf algebra and the quantum double of the quantum group. The resulting
super-Hopf algebra can be reproduced by extending the exterior derivative to
tensor produc... | 1994-03-16 | 2009-10-28 | [
"hep-th",
"math.QA"
] | M. Schlieker and Bruno Zumino |
hep-th/9403091 | Path Integral Quantization of Cosmological Perturbations | We derive the first order canonical formulation of cosmological perturbation
theory in a Universe filled by a few scalar fields. This theory is quantized
via well-defined Hamiltonian path integral. The propagator which describes the
evolution of the initial (for instance, vacuum) state, is calculated. | 1994-03-16 | 2009-10-28 | [
"hep-th"
] | S. Anderegg and V. Mukhanov |
hep-th/9403088 | Orbifold Constructions and the Classification of Self-Dual c=24
Conformal Field Theories | We discuss questions arising from the work of Schellekens. After introducing
the concept of complementary representations, we examine $Z_2$-orbifold
constructions in general, and propose a technique for identifying the orbifold
theory without knowledge of its explicit construction. This technique is then
generalised to... | 1994-03-16 | 2009-10-28 | [
"hep-th"
] | P.Montague |
hep-th/9403092 | Unitarity of The Realization of Conformal Symmetry in The Quantum Hall
Effect | We study the realization of conformal symmetry in the QHE as part of the
$W_\infty$ algebra. Conformal symmetry can be realized already at the classical
level and implies the complexification of coordinate space. Its quantum version
is not unitary. Nevertheless, it can be rendered unitary by a suitable
modification of ... | 1994-03-16 | 2008-11-26 | [
"hep-th",
"cond-mat"
] | Jose Gaite |
hep-th/9403084 | The connection between statistical mechanics and quantum field theory | A four part series of lectures on the connection of statistical mechanics and
quantum field theory. The general principles relating statistical mechanics and
the path integral formulation of quantum field theory are presented in the
first lecture. These principles are then illustrated in lecture 2 by a
presentation of ... | 1994-03-16 | 2009-09-25 | [
"hep-th",
"cond-mat"
] | Barry M. McCoy |
hep-th/9403087 | Cosmological Surrealism: More than ``Eternal Reality" is Needed | Inflationary Cosmology makes the universe ``eternal" and provides for
recurrent universe creation, ad infinitum -- making it also plausible to assume
that ``our" Big Bang was also preceeded by others, etc.. However, GR tells us
that in the ``parent" universe's reference frame, the newborn universe's
expansion will neve... | 1994-03-16 | 2008-11-26 | [
"hep-th"
] | Yuval Ne'eman |
hep-th/9403089 | Critical behavior in $c=1$ matrix model with branching interactions | Motivated by understanding the phase structure of $d >1$ strings we
investigate the $c=1$ matrix model with $g' (\tr M(t)^{2})^{2}$ interaction
which is the simplest approximation of the model expected to describe the
critical phenomena of the large-$N$ reduced model of odd-dimensional matrix
field theory. We find thre... | 1994-03-16 | 2009-10-28 | [
"hep-th"
] | Fumihiko Sugino and Osamu Tsuchiya |
hep-th/9403081 | On bosonization of 2d conformal field theories | We show how bosonic (free field) representations for so-called degenerate
conformal theories are built by singular vectors in Verma modules. Based on
this construction, general expressions of conformal blocks are proposed. As an
example we describe new modules for the $SL(2)$ Wess-Zumino -Witten model. They
are, in fac... | 1994-03-15 | 2011-04-20 | [
"hep-th"
] | Oleg Andreev and Boris Feigin |
hep-th/9403077 | Hilbert - Einstein Action from Induced Gravity coupled with Scalar Field | Quantum theory of conformal factor coupled with matter fields is
investigated. The more simple case of the purely classical scalar matter is
considered. It is calculated the conformal factor contribution to the effective
potential of scalar field. Then the possibility of the first order phase
transition is explored and... | 1994-03-15 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | I.L.Shapiro |
hep-th/9403078 | Strong Coupling Phase of Chiral Gross Neveu Model | We perform the numerical simulation of the two dimensional chiral Gross Neveu
model using the Kogut-Susskind(KS) fermion. In the case of SU(4), the
Kosterlitz-Thouless phase transition happens at some critical value of the
coupling constant. In the case of one flavour, there exists the strong coupling
phase in which th... | 1994-03-15 | 2009-09-25 | [
"hep-th"
] | Hiroshi Nohara |
hep-th/9403085 | Topological Electropoles in 4+1 Dimensional EYMCS Theory | A class of explicit exact solutions of Einstein Yang Mills Chern Simons
(EYMCS) theory corresponding to topological solitons carrying non-Abelian
topological electric charge is obtained. This verifies a conjecture made in
Ref.[1,2] regarding the stabilization of the corresponding charged
configurations in the theory wi... | 1994-03-15 | 2010-11-01 | [
"hep-th"
] | C.S.Aulakh and V.Soni |
hep-th/9403080 | KdV type hierarchies, the string equation and $W_{1+\infty}$ constraints | To every partition $n=n_1+n_2+\cdots+n_s$ one can associate a vertex operator
realization of the Lie algebras $a_{\infty}$ and $\hat{gl}_n$. Using this
construction we make reductions of the $s$--component KP hierarchy, reductions
which are related to these partitions. In this way we obtain matrix KdV type
equations. N... | 1994-03-15 | 2009-10-28 | [
"hep-th"
] | Johan van de Leur |
hep-th/9403082 | Symmetry Properties of the Effective Action for High-Energy Scattering
in QCD | We study the effective action describing high-energy scattering processes in
the multi-Regge limit of QCD, which should provide the starting point for a new
attempt to overcome the limitations of the leading logarithmic and the eikonal
approximations. The action can be obtained via simple graphical rules or by
integrat... | 1994-03-15 | 2009-10-28 | [
"hep-th"
] | R. Kirschner, L. N. Lipatov and L. Szymanowski |
hep-th/9403083 | Towards a Generalized Distribution Formalism for Gauge Quantum Fields | We prove that the distributions defined on the Gelfand-Shilov spaces, and
hence more singular than hyperfunctions, retain the angular localizability
property. Specifically, they have uniquely determined support cones. This
result enables one to develop a distribution-theoretic techniques suitable for
the consistent tre... | 1994-03-15 | 2010-11-01 | [
"hep-th"
] | M.A.Soloviev |
hep-th/9403079 | The Higgs model for anyons and Liouville action: Chaotic spectrum,
energy gap and exclusion principle | Geodesic completness and self-adjointness imply that the Hamiltonian for
anyons is the Laplacian with respect to the Weil-Petersson metric. This metric
is complete on the Deligne-Mumford compactification of moduli (configuration)
space. The structure of this compactification fixes the possible anyon
configurations. Thi... | 1994-03-15 | 2015-06-26 | [
"hep-th",
"cond-mat"
] | M. Matone |
hep-th/9403076 | Thomas Precession, Berry potential and the Meron | We begin with a prior observation by one of us that Thomas precession in the
nonrelativistic limit of the Dirac equation may be attributed to a nonabelian
Berry vector potential. We ask what object produces the nonabelian potential in
parameter space, in the same sense that the abelian vector potential arising in
the a... | 1994-03-14 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | R.Shankar, H.Mathur |
hep-th/9403073 | Fermionic counting of RSOS-states and Virasoro character formulas for
the unitary minimal series M(\nu,\nu+1). Exact results | The Hilbert space of an RSOS-model, introduced by Andrews, Baxter, and
Forrester, can be viewed as a space of sequences (paths) {a_0,a_1,...,a_L},
with a_j-integers restricted by 1<=a_j<=\nu, |a_j-a_{j+1}|=1, a_0=s, a_L=r. In
this paper we introduce different basis which, as shown here, has the same
dimension as that o... | 1994-03-14 | 2010-11-01 | [
"hep-th"
] | A. Berkovich |
hep-th/9403074 | Axial anomalies in gauge theory by exact renormalization group method | The global chiral symmetry of a $SU(2)$ gauge theory is studied in the
framework of renormalization group (RG). The theory is defined by the RG flow
equations in the infrared cutoff $\L$ and the boundary conditions for the
relevant couplings. The physical theory is obtained at $\L=0$. In our approach
the symmetry is im... | 1994-03-14 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | M. Bonini, M. D'Attanasio and G. Marchesini |
hep-th/9403075 | Singular Vectors of ${\cal W}$ Algebras via DS Reduction of $A_2^(1)$ | The BRST quantisation of the Drinfeld - Sokolov reduction applied to the case
of $A^{(1)}_2\,$ is explored to construct in an unified and systematic way the
general singular vectors in ${\cal W}_3$ and ${\cal W}_3^{(2)}$ Verma modules.
The construction relies on the use of proper quantum analogues of the classical
DS g... | 1994-03-14 | 2009-10-28 | [
"hep-th"
] | P. Furlan, A.Ch. Ganchev and V.B. Petkova |
hep-th/9403072 | H-Monopoles, SL(2,Z) Duality and K3 Surfaces | Paper is withdrawn and superseded by EFI-94-36 which will appear shortly with
the new hep-th number hep-th/9407111 . | 1994-03-13 | 2008-02-03 | [
"hep-th"
] | J. P Gauntlett and J. A. Harvey |
hep-th/9403071 | N=2 Supersymmetry in Exterior Form | An $N=2$ supersymmetric model using K\"{a}hler fields is proposed. It is a
modified version of two-dimensional Benn-Tucker model. It indicates a
geometrical origin of $N=2$ supersymmetry. | 1994-03-12 | 2007-05-23 | [
"hep-th"
] | Masato Shimono |
hep-th/9403068 | Infinite Dimensional Geometry and Quantum Field Theory of Strings. I.
Infinite Dimensional Geometry of Second Quantized Free String | There are investigated several objects of an INFINITE DIMENSIONAL GEOMETRY
appearing from the second quantization of a free string. The paper contains 2
chapters: 1st is devoted to the infinite dimensional geometry of flag,
fundamental and $\Pi$-spaces for Virasoro-Bott group and its nonassociative
deformation defined ... | 1994-03-11 | 2008-02-03 | [
"hep-th",
"alg-geom",
"funct-an",
"math.AG",
"math.FA"
] | Denis Juriev |
hep-th/9403067 | Finite Quantum Physics and Noncommutative Geometry | Conventional discrete approximations of a manifold do not preserve its
nontrivial topological features. In this article we describe an approximation
scheme due to Sorkin which reproduces physically important aspects of manifold
topology with striking fidelity. The approximating topological spaces in this
scheme are par... | 1994-03-11 | 2009-10-28 | [
"hep-th",
"funct-an",
"gr-qc",
"hep-lat",
"math.FA"
] | A.P. Balachandran, G. Bimonte, E. Ercolessi, G. Landi, F. Lizzi, G.
Sparano and P.Teotonio-Sobrinho |
hep-th/9403070 | Co-Variant Derivatives And The Renormalisation Group | The renormalisation group equation for $N$-point correlation functions can be
interpreted in a geometrical manner as an equation for Lie transport of
amplitudes in the space of couplings. The vector field generating the
diffeomorphism has components given by the $\beta$-functions of the theory. It
is argued that this s... | 1994-03-11 | 2015-06-26 | [
"hep-th",
"cond-mat"
] | Brian Dolan |
hep-th/9403063 | Gauge fixing in higher derivative field theories | Higher Derivative (HD) Field Theories can be transformed into second order
equivalent theories with a direct particle interpretation. In a simple model
involving abelian gauge symmetries we examine the fate of the possible gauge
fixings throughout this process. This example is a useful test bed for HD
theories of gravi... | 1994-03-10 | 2009-10-28 | [
"hep-th"
] | A.Bartoli and J.Julve |
hep-th/9403066 | Combinatorial quantization of the Hamiltonian Chern-Simons theory I | Motivated by a recent paper of Fock and Rosly \cite{FoRo} we describe a
mathematically precise quantization of the Hamiltonian Chern-Simons theory. We
introduce the Chern-Simons theory on the lattice which is expected to reproduce
the results of the continuous theory exactly. The lattice model enjoys the
symmetry with ... | 1994-03-10 | 2009-10-28 | [
"hep-th",
"math.QA"
] | A. Yu. Alekseev, H. Grosse, V. Schomerus |
hep-th/9403065 | Symmetry Under $\alpha \rightarrow \alpha + 1$ is Forbidden by Helicity
Conservation | The question as to whether helicity conservation in spin one-half Aharonov
Bohm scattering is sufficient in itself to determine uniquely the form of the
spinor wave function near the origin is examined. Although it is found that a
one parameter family of solutions is compatible with this conservation law,
there must no... | 1994-03-10 | 2007-05-23 | [
"hep-th"
] | C. R. Hagen |
hep-th/9403064 | Center of a quantum affine algebra at the critical level | We construct central elements in a completion of the quantum affine algebra
at the critical level c=-g from the universal R-matrix (g being the dual
Coxeter number of the corresponding simple Lie algebra), using the method of
Reshetikhin and Semenov-Tian-Shansky. This construction defines an action of
the Grothendieck ... | 1994-03-10 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Jintai Ding and Pavel Etingof |
hep-th/9403062 | One-loop effective potential in 2D dilaton gravity on hyperbolic plane | The one-loop effective potential in $2D$ dilaton gravity in conformal gauge
on the topologically non-trivial plane $\reals \times S^1$ and on the
hyperbolic plane $H^2/\Gamma$ is calculated. For arbitrary choice of the tree
scalar potential it is shown, that the one-loop effective potential explicitly
depends on the re... | 1994-03-10 | 2009-09-17 | [
"hep-th"
] | Klaus Kirsten, Sergei Odintsov |
hep-th/9403061 | Covariant Phase Space Formulations of Superparticles and Supersymmetric
WZW Models | We present new covariant phase space formulations of superparticles moving on
a group manifold, deriving the fundamental Poisson brackets and current
algebras. We show how these formulations naturally generalise to the
supersymmetric Wess-Zumino-Witten models. | 1994-03-10 | 2015-06-26 | [
"hep-th"
] | G. Au and B. Spence |
hep-th/9403056 | Nonrelativistic Chern-Simons theory for the Repulsive Bose Gas | We propose a new nonrelativistic Chern-Simons theory based on a simple
modification of the standard Lagrangian. This admits asymptotically
nonvanishing field configurations and is applicable to the description of
systems of repulsive bosons. The new model supports topological vortices and
has a self-dual limit, both in... | 1994-03-09 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | Igor V. Barashenkov (University of Cape Town), Alexander O. Harin
(University of Natal) |
hep-th/9403060 | The Graceful Exit Problem in String Cosmology | Isotropic string cosmology solutions can be classified into two duality
related branches: one can be connected smoothly to an expanding
Friedman-Robertson-Walker Universe, the other describes accelerated inflation
or contraction. We show that, if the dilaton potential has certain generic
properties, the two branches ca... | 1994-03-09 | 2009-10-28 | [
"hep-th",
"astro-ph"
] | R. Brustein and G. Veneziano |
hep-th/9403057 | Quantized Topological 2-form Gravity | We develop a perturbation theory of four-dimensional topological 2-form
gravity without cosmological constant.
A 2-form and an $SU(2)$ connection 1-form are used as fundamental variables
instead of metric.
There is no quantum correction from two-loop and higher orders in covariant
gauge, in Landau gauge and in back... | 1994-03-09 | 2007-05-23 | [
"hep-th"
] | Tomoyuki Inui, Akika Nakamichi |
hep-th/9403058 | Chaotic Coupling Constants | We examine some novel physical consequences of the general structure of
moduli spaces of string vacua. These include (1) finiteness of the volume of
the moduli space and (2) chaotic motion of the moduli in the early universe. To
fix ideas we examine in detail the example of the (conjectural) dilaton-axion
``$S$-duality... | 1994-03-09 | 2009-10-28 | [
"hep-th"
] | James H. Horne and Gregory Moore |
hep-th/9403059 | The Stable Representation of the algebra of functions on the quantum
group $SU_{q}(2)$ | An operation of a coproduct of representations of a bialgebra is defined. The
coproduct operation for representations of the Hopf algebra of functions on the
quantum group $SU_{q}(2)$ is investigated. A notion of a stable representation
$\Pi$ is introdused. This means that the representation $\Pi$ is invariant
under co... | 1994-03-09 | 2007-05-23 | [
"hep-th"
] | S.V.Kozyrev |
hep-th/9403069 | Quantisation of second class systems in the Batalin-Tyutin formalism | We review the Batalin-Tyutin approach of quantising second class systems
which consists in enlarging the phase space to convert such systems into first
class. The quantisation of first class systems, it may be mentioned, is already
well founded. We show how the usual analysis of Batalin-Tyutin may be
generalised, parti... | 1994-03-09 | 2015-06-26 | [
"hep-th"
] | N. Banerjee, R. Banerjee and S. Ghosh |
hep-th/9403048 | Field Redefinitions in String Theory as a Solution Generating Technique | The purpose of this work is to show that there exists an additional
invariance of the $\beta$-function equations of string theory on
$d+1$-dimensional targets with $d$ toroidal isometries. It corresponds to a
shift of the dilaton field and a scaling of the lapse function, and is
reminiscent of string field redefinition... | 1994-03-08 | 2008-11-26 | [
"hep-th",
"gr-qc"
] | Nemanja Kaloper |
hep-th/9403050 | String Field Theory of Two Dimensional QCD: A Realization of W-infinity
Algebra | We consider the formulation of two dimensional QCD in terms of gauge
invariant bilocal operators (string field) which satisfy a $W_\infty$ algebra.
In analogy with our work on the $c=1$ string field theory we derive an action
and associated constraints for the bilocal field using the method of coadjoint
orbits. The $1/... | 1994-03-08 | 2009-10-28 | [
"hep-th"
] | Avinash Dhar, Gautam Mandal and Spenta R. Wadia |
hep-th/9403054 | Global U(1) R-Symmetry And Conformal Invariance Of (0,2) Models | We derive a condition under which (0,2) linear sigma models possess a
``left-moving'' conformal stress tensor in $\bq$ cohomology (i.e. which leaves
invariant the ``right-moving'' ground states) even away from their critical
points. At the classical level this enforces quasihomogeneity of the
superpotential terms. The ... | 1994-03-08 | 2010-04-07 | [
"hep-th"
] | Eva Silverstein and Edward Witten |
hep-th/9403053 | On Universal Vassiliev Invariants | Using properties of ordered exponentials and the definition of the Drinfeld
associator as a monodromy operator for the Knizhnik-Zamolodchikov equations, we
prove that the analytic and the combinatorial definitions of the universal
Vassiliev invariants of links are equivalent. | 1994-03-08 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Daniel Altschuler and Laurent Freidel |
hep-th/9403052 | A time-discretized version of the Calogero-Moser model | We introduce an integrable time-discretized version of the classical
Calogero-Moser model, which goes to the original model in a continuum limit.
This discrete model is obtained from pole solutions of a discretized version of
the Kadomtsev-Petviashvili equation, leading to a finite-dimensional symplectic
mapping. Lax p... | 1994-03-08 | 2009-10-28 | [
"hep-th",
"cond-mat",
"nlin.SI",
"solv-int"
] | Frank W. Nijhoff and Gen-Di Pang (Universitaet-GH Paderborn) |
hep-th/9403049 | Statistical Models with a Line of Defect | The factorization condition for the scattering amplitudes of an integrable
model with a line of defect gives rise to a set of Reflection-Transmission
equations. The solutions of these equations in the case of diagonal $S$-matrix
in the bulk are only those with $S =\pm 1$. The choice $S=-1$ corresponds to
the Ising mode... | 1994-03-08 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | G. Delfino, G. Mussardo and P. Simonetti |
hep-th/9403051 | Algebraic Structures of Quantum Projective Field Theory Related to
Fusion and Braiding. Hidden Additive Weight | The interaction of various algebraic structures describing fusion, braiding
and group symmetries in quantum projective field theory is an object of an
investigation in the paper. Structures of projective Zamolodchikov al- gebras,
their represntations, spherical correlation functions, correlation characters
and envelopp... | 1994-03-08 | 2009-10-28 | [
"hep-th"
] | D.Juriev (D.V.Yur'ev) |
hep-th/9403055 | Operads, homotopy algebra and iterated integrals for double loop spaces | This paper provides some background to the theory of operads, used in the
first author's papers on 2d topological field theory (hep-th/921204, CMP 159
(1994), 265-285; hep-th/9305013). It is intended for specialists. | 1994-03-08 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Ezra Getzler and J. D. S. Jones |
hep-th/9403042 | q-oscillators, (non-)Kaehler manifolds and constrained dynamics | It is shown that q-deformed quantum mechanics (q-deformed Heisenberg algebra)
can be interpreted as quantum mechanics on Kaehler manifolds, or as a quantum
theory with second (or first-) class constraints. (Saclay, T93/027). | 1994-03-07 | 2015-06-26 | [
"hep-th"
] | Sergey V. Shabanov |
hep-th/9403045 | Quantum States of String-Inspired Lineal Gravity | We construct quantum states for a (1+1) dimensional gravity-matter model that
is also a gauge theory based on the centrally extended Poincar\'e group.
Explicit formulas are found, which exhibit interesting structures. For example
wave functionals are gauge invariant except for a gauge non-invariant phase
factor that is... | 1994-03-07 | 2009-10-28 | [
"hep-th"
] | D. Cangemi and R. Jackiw |
hep-th/9403046 | Topological Structures in the Standard Model at High $T$ | Topological Structures in the Standard Model at high $T$ are discussed. | 1994-03-07 | 2007-05-23 | [
"hep-th"
] | R. Jackiw |
hep-th/9403039 | Fock Representations of Quantum Fields with Generalized Statistic | We develop a rigorous framework for constructing Fock representations of
quantum fields obeying generalized statistics associated with certain solutions
of the spectral quantum Yang-Baxter equation. The main features of these
representations are investigated. Various aspects of the underlying
mathematical structure are... | 1994-03-07 | 2010-11-01 | [
"hep-th"
] | A. Liguori and M. Mintchev |
hep-th/9403040 | Point-Like States for Type 2b Superstrings | This paper considers closed-string states of type 2b superstring theory in
which the whole string is localized at a single point in superspace.
Correlation functions of these (scalar and pseudoscalar) states possess an
infinite number of position-space singularities inside and on the light-cone as
well as a space-like ... | 1994-03-07 | 2009-10-28 | [
"hep-th"
] | Michael B. Green |
hep-th/9403043 | A Comment on the Odd Flows for the Supersymmetric KdV equation | In a recent paper Dargis and Mathieu introduced integrodifferential odd flows
for the supersymmetric KdV equation. These flows are obtained from the nonlocal
conservation laws associated with the fourth root of its Lax operator. In this
note I show that only half of these flows are of the standard Lax form, while
the r... | 1994-03-07 | 2015-06-26 | [
"hep-th"
] | E. Ramos |
hep-th/9403047 | Refining the Elliptic Genus | We show how special forms of an $N=2$ Landau-Ginzburg potential directly
imply the presence of an $N=2$ super-$W$ algebra. If the Landau-Ginzburg model
has a super-$W$ algebra, we show how the elliptic genus can be refined so as to
give much more complete information about the structure of the model. We study
the super... | 1994-03-07 | 2011-07-19 | [
"hep-th"
] | D. Nemeschansky and N.P. Warner |
hep-th/9403036 | The Drinfeld--Sokolov Holomorphic Bundle and Classical $W$ Algebras on
Riemann Surfaces | Developing upon the ideas of ref. \ref{6}, it is shown how the theory of
classical $W$ algebras can be formulated on a higher genus Riemann surface in
the spirit of Krichever and Novikov. The basic geometric object is the
Drinfeld--Sokolov principal bundle $L$ associated to a simple complex Lie group
$G$ equipped with ... | 1994-03-07 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Roberto Zucchini |
hep-th/9403041 | Exact string background from a WZW model based on the Heisenberg group | A WZW model for the non-semi-simple D-dimensional Heisenberg group, which
directly generalizes the E_{2}^{c} group, is constructed. It is found to
correspond to an D-dimensional string background of plane-wave type with
physical Lorentz signature D-2. Perturbative and non-perturbative
considerations lead both to an int... | 1994-03-07 | 2009-12-04 | [
"hep-th"
] | A.A. Kehagias and P.A.A. Meessen |
hep-th/9403044 | Integrable mappings and polynomial growth | We describe birational representations of discrete groups generated by
involutions, having their origin in the theory of exactly solvable
vertex-models in lattice statistical mechanics. These involutions correspond
respectively to two kinds of transformations on $q \times q$ matrices: the
inversion of the $q \times q$ ... | 1994-03-07 | 2009-10-28 | [
"hep-th",
"nlin.SI",
"solv-int"
] | S. Boukraa, J-M. Maillard and G. Rollet |
hep-th/9403037 | Space-time Supersymmetry in Asymmetric Orbifold Models | We study the condition for the appearance of space-time supercharges in
twisted sectors of asymmetric orbifold models. We present a list of the
asymmetric $Z_N$-orbifold models which satisfy a simple condition necessary for
the appearance of space-time supercharges in twisted sectors. We investigate
whether or not such... | 1994-03-07 | 2007-05-23 | [
"hep-th"
] | Toshihiro Sasada |
hep-th/9403038 | Dynamical Zero Modes and Pure Glue ${\bf{\rm{QCD}}_{1+1}}$ in Light-Cone
Field Theory | We consider light-cone quantized ${\rm{QCD}}_{1+1}$ on a `cylinder' with
periodic boundary conditions on the gluon fields. This is the framework of
discretized light-cone quantization. We review the argument that the light-cone
gauge $A^+=0$ is not attainable. The zero mode is a dynamical and gauge
invariant field. The... | 1994-03-07 | 2009-10-28 | [
"hep-th"
] | Alex C. Kalloniatis, Hans-Christian Pauli and Stephen Pinsky |
hep-th/9403035 | Representation Blocks of Conformal Fields for the $N$=4 SU(2)$_k$
Superconformal Algebras | The representation theories of the SU(2)$_k$-extended $N$=4 superconformal
algebras (SCAs) with $arbitrary$ level $k$ are developed being based on their
Feigin-Fuchs representations found recently by the present author. A basic unit
of the representation blocks consisting of eight \lq\lq boson-like\rq\rq\ and
eight \lq... | 1994-03-07 | 2015-06-26 | [
"hep-th"
] | Satoshi Matsuda |
hep-th/9403032 | Singular vectors of the $WA_2$ algebra | The null vectors of an arbitrary highest weight representation of the $WA_2$
algebra are constructed. Using an extension of the enveloping algebra by
allowing complex powers of one of the generators, analysed by Kent for the
Virasoro theory, we generate all the singular vectors indicated by the Kac
determinant. We prov... | 1994-03-06 | 2009-10-28 | [
"hep-th"
] | Z. Bajnok |
hep-th/9403034 | Ribbons Around Mexican Hats | We analyze quasi-topological solitons winding around a mexican-hat potential
in two space-time dimensions.
They are prototypes for a large number of physical excitations, including
Skyrmions of the Higgs sector of the standard electroweak model, magnetic
bubbles in thin ferromagnetic films, and strings in certain non... | 1994-03-05 | 2010-11-01 | [
"hep-th",
"hep-ph"
] | C.Bachas and T.N.Tomaras |
hep-th/9403028 | $S^7$ Current Algebras | We present $S^7$-algebras as generalized Kac-Moody algebras. A number of
free-field representations is found. We construct the octonionic projective
spaces ${\O}P^N$. | 1994-03-04 | 2007-05-23 | [
"hep-th"
] | Martin Cederwall and Christian R. Preitschopf |
hep-th/9403030 | Classical Functional Bethe Ansatz for $SL(N)$: separation of variables
for the magnetic chain | The Functional Bethe Ansatz (FBA) proposed by Sklyanin is a method which
gives separation variables for systems for which an $R$-matrix is known.
Previously the FBA was only known for $SL(2)$ and $SL(3)$ (and associated)
$R$-matrices. In this paper I advance Sklyanin's program by giving the FBA for
certain systems with... | 1994-03-04 | 2009-10-28 | [
"hep-th"
] | D.R.D. Scott |
hep-th/9403025 | $W_{\infty}$ algebra in the integer quantum Hall effects | We investigate the $W_{\infty}$ algebra in the integer quantum Hall effects.
Defining the simplest vacuum, the Dirac sea, we evaluate the central extension
for this algebra. A new algebra which contains the central extension is called
the $W_{1+\infty}$ algebra. We show that this $W_{1+\infty}$ algebra is an
origin of ... | 1994-03-04 | 2017-02-01 | [
"hep-th",
"cond-mat"
] | Hiroo Azuma |
hep-th/9403033 | Realization of $U_q(so(N))$ within the differntial algebra on ${\bf
R}_q^N$ | We realize the Hopf algebra $U_{q^{-1}}(so(N))$ as an algebra of differential
operators on the quantum Euclidean space ${\bf R}_q^N$. The generators are
suitable q-deformed analogs of the angular momentum components on ordinary
${\bf R}^N$. The algebra $Fun({\bf R}_q^N)$ of functions on ${\bf R}_q^N$
splits into a dire... | 1994-03-04 | 2014-11-18 | [
"hep-th",
"math.QA"
] | Gaetano Fiore |
hep-th/9403024 | Generalized Penner models to all genera | We give a complete description of the genus expansion of the one-cut solution
to the generalized Penner model. The solution is presented in a form which
allows us in a very straightforward manner to localize critical points and to
investigate the scaling behaviour of the model in the vicinity of these points.
We carry ... | 1994-03-04 | 2009-10-28 | [
"hep-th"
] | J. Ambjorn, Yu. Makeenko and C.F. Kristjansen |
hep-th/9403027 | There are No Causality Problems for Fermi's Two Atom System | A repeatedly discussed gedanken experiment, proposed by Fermi to check
Einstein causality, is reconsidered. It is shown that, contrary to a recent
statement made by Hegerfeldt, there appears no causality paradoxon in a proper
theoretical description of the experiment. | 1994-03-04 | 2009-10-28 | [
"hep-th"
] | Detlev Buchholz and Jakob Yngvason |
hep-th/9403031 | The Wu-Yang Ambiguity Revisited | Several examples are given of continuous families of SU(2) vector potentials
$A_i^a(x)$ in 3 space dimensions which generate the same magnetic field
$B^{ai}(x)$ (with det $B\neq 0$). These Wu-Yang families are obtained from the
Einstein equation $R_{ij}=-2G_{ij}$ derived recently via a local map of the
gauge field syst... | 1994-03-04 | 2009-10-08 | [
"hep-th"
] | Daniel Z. Freedman and Ramzi R. Khuri |
hep-th/9403026 | Solving the Strongly Coupled 2D Gravity: 2. Fractional-Spin Operators,
and Topological Three-Point Functions | Progress along the line of a previous article are reported. One main point is
to include chiral operators with fractional quantum group spins (fourth or
sixth of integers) which are needed to achieve modular invariance. We extend
the study of the chiral bootstrap (recently completed by E. Cremmer, and the
present autho... | 1994-03-04 | 2009-10-28 | [
"hep-th"
] | Jean-Loup Gervais, Jean-Francois Roussel |
hep-th/9403029 | From topological quantum mechanics to the physics of spin-one particles | We give an example of topological theory whose Hilbert space contains
physical objects: the N=2 supersymmetric Lagrangian of spin-one particles
moving in D-dimensional space-time equals the Lagrangian of a topological sigma
model in a (D+2)-dimensional target. The equivalence is valid for a curved
space-time. As an app... | 1994-03-04 | 2007-05-23 | [
"hep-th"
] | Romain Attal and Laurent Baulieu |
hep-th/9403016 | Quantum Chains with $GL_q(2)$ Symmetry | Usually quantum chains with quantum group symmetry are associated with
representations of quantized universal algebras $U_q(g) $ . Here we propose a
method for constructing quantum chains with $C_q(G)$ global symmetry , where
$C_q(G)$ is the algebra of functions on the quantum group. In particular we
will construct a q... | 1994-03-03 | 2009-10-28 | [
"hep-th"
] | Masoud Alimohammadi |
hep-th/9403023 | Deformation analysis of matrix models | The Tracy-Widom equations associated with level spacing distributions are
realized as a special case of monodromy preserving deformations. | 1994-03-03 | 2009-10-28 | [
"hep-th",
"nlin.SI",
"solv-int"
] | John Palmer |
hep-th/9403019 | Tests of Integrability of the Supersymmetric Nonlinear Schrodinger
Equation | We apply various conventional tests of integrability to the supersymmetric
nonlinear Schr\"odinger equation. We find that a matrix Lax pair exists and
that the system has the Painlev\'e property only for a particular choice of the
free parameters of the theory. We also show that the second Hamiltonian
structure general... | 1994-03-03 | 2009-10-28 | [
"hep-th"
] | J. C. Brunelli and Ashok Das |
hep-th/9403018 | On 4D-Hawing Radiation from Effective Action | We determine the $s$-waves contribution of a scalar field to the four
dimensional effective action for arbitrary spherically symmetric external
gravitational fields. The result is applied to $4d$-black holes and it is shown
that the energy momentum tensor derived from the (nonlocal) effective action
contains the Hawkin... | 1994-03-03 | 2009-10-28 | [
"hep-th"
] | V. Mukhanov, A. Wipf and A. Zelnikov |
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