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-ph/9401203 | Description of Relativistic Heavy--Light Quark--Antiquark Systems via
Dirac Equations | Starting from the QCD Lagrangian and taking into account both perturbative
and nonperturbative effects, we use the method of vacuum correlators to derive
the Dirac equation (rigorously for the Coulomb interaction and heuristically
for the confining potential) for a system consisting of a light quark and heavy
antiquark... | 1994-01-03 | 2009-09-25 | [
"hep-ph"
] | V.D. Mur, V.S. Popov, Yu.A.Simonov, and V.P.Yurov |
hep-ph/9401204 | Long Distance Contribution to $K^+ \rightarrow \pi^+ \nu \bar\nu$ | We estimate the long distance contribution to the $K^+ \rightarrow \pi^+ \nu
\bar\nu$ decay amplitude using chiral perturbation theory. We find that it is
likely to be less than a few percent of the part of the short distance
contribution proportional to the square of the charm quark mass. In the large
$N_c$ limit the ... | 1994-01-03 | 2009-10-28 | [
"hep-ph"
] | Ming Lu and Mark B. Wise |
hep-ph/9401205 | Finite-element quantum electrodynamics. II. Lattice propagators, current
commutators, and axial-vector anomalies | We apply the finite-element lattice equations of motion for quantum
electrodynamics given in the first paper in this series to examine anomalies in
the current operators. By taking explicit lattice divergences of the vector and
axial-vector currents we compute the vector and axial-vector anomalies in two
and four dimen... | 1994-01-03 | 2009-09-25 | [
"hep-ph"
] | Dean Miller, Kimball A. Milton, and Stephan Siegemund-Broka |
hep-ph/9312363 | Testing Gluon Self-Interactions in Three Jet Events at Hadron Colliders | The effective operator tr(G^3) is the only dimension-6 gluonic operator that
cannot be related to four-quark operators. A peculiar property of this operator
is that it does not contribute to two-jet production at hadron colliders, at
the level of one operator insertion and leading-order in alpha_s; therefore we
study i... | 1994-01-01 | 2010-11-15 | [
"hep-ph"
] | L. Dixon and Y. Shadmi |
hep-th/9412242 | From N=2 Fermionic Strings to Superstrings? | I review the covariant quantization of the critical $N{=}2$ fermionic string
with and without a global ${\bf Z}_2$ twist. The BRST analysis yields massless
bosonic and fermionic vertex operators in various ghost and picture number
sectors, as well as picture-changers and their inverses, depending on the field
basis cho... | 1994-12-31 | 2007-05-23 | [
"hep-th"
] | Olaf Lechtenfeld |
hep-th/9412243 | Spacetime Structures and Physical Theories | General relativity is applied to the strong interaction; the nexus between
the two being arrived at by constructing a line element having the Yukawa form,
which is used to describe geometrically the classical dynamics of a particle
moving under the influence of the short-range strong interaction. It is shown
that, with... | 1994-12-31 | 2008-02-03 | [
"hep-th",
"gr-qc"
] | Vu B Ho |
hep-th/9412241 | Non--Commutative (Quantum) Probability, Master Fields and Stochastic
Bosonization | In this report we discuss some results of non--commutative (quantum)
probability theory relating the various notions of statistical independence and
the associated quantum central limit theorems to different aspects of
mathematics and physics including: $q$--deformed and free central limit
theorems; the description of ... | 1994-12-31 | 2008-02-03 | [
"hep-th",
"math.QA",
"q-alg"
] | L.Accardi, Y.G.Lu and I.Volovich |
hep-th/9412236 | Summing the Instantons: Quantum Cohomology and Mirror Symmetry in Toric
Varieties | We use the gauged linear sigma model introduced by Witten to calculate
instanton expansions for correlation functions in topological sigma models with
target space a toric variety $V$ or a Calabi--Yau hypersurface $M \subset V$.
In the linear model the instanton moduli spaces are relatively simple objects
and the corre... | 1994-12-30 | 2011-10-11 | [
"hep-th",
"alg-geom",
"math.AG"
] | David R. Morrison and M. Ronen Plesser |
hep-th/9412240 | Light-front Quantized Scalar Field Theory and Phase Transition | The light-front Hamiltonian formulation for the scalar field theory contains
a new ingredient in the form of a constraint equation. Renormalization of the
two dimensional $\phi^{4}$ theory, described in the continuum, is discussed.
The mass renormalization condition and the renormalized constraint equation
contain all ... | 1994-12-30 | 2007-05-23 | [
"hep-th"
] | Prem P. Srivastava |
hep-th/9412237 | Generalized Quantum Inverse Scattering | A generalization of the quantum inverse scattering method is proposed
replacing the quantum group $RLL$ commutation relations of Lax operators by
reflection equation type $RLRL$ commutation relations. Under some natural
assumptions the most general algebra of this type allowing to construct the
neccessary integrals of ... | 1994-12-30 | 2008-02-03 | [
"hep-th"
] | C. Schwiebert |
hep-th/9412239 | Light-Front Dynamics of Chern-Simons Systems | Chern-Simons theory coupled to complex scalars is quantized on the light-
front in the local light-cone gauge by constructing the self-consistent
hamiltonian theory. It is shown that no inconsistency arises on using two local
gauge-fixing conditions in the Dirac procedure. The light-front Hamiltonian
turns out to be si... | 1994-12-30 | 2007-05-23 | [
"hep-th"
] | Prem P. Srivastava |
hep-th/9412238 | Generalising The Concept Of Maximal Symmetry Of Spacetimes In The
Presence Of Torsion | A possible generalisation is given to the meaning of maximal symmetry in the
presence of torsion | 1994-12-30 | 2007-05-23 | [
"hep-th"
] | Debashis Gangopadhyay, Soumitra Sengupta |
hep-th/9412230 | Universal correlations for deterministic plus random Hamiltonians | We consider the (smoothed) average correlation between the density of energy
levels of a disordered system, in which the Hamiltonian is equal to the sum of
a deterministic H0 and of a random potential $\varphi$. Remarkably, this
correlation function may be explicitly determined in the limit of large
matrices, for any u... | 1994-12-29 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | E. Brezin, S. Hikami and A.Zee |
hep-th/9412234 | Introductory Lectures on Low Energy Supersymmetry | As the title indicates | 1994-12-29 | 2007-05-23 | [
"hep-th"
] | P. Ramond (University of Florida, Gainesville) |
hep-th/9412232 | Black Hole Spectrum, Horison Quantization and All That | We discuss the possibility that quantum black holes have discrete mass
spectrum. Different arguments leading to this conclusion are considered,
particularly the decoupling between left and right sectors in string theory -
the so-called heterotic principle. The case of a $2+1$ dimensional black holes
is considered as an... | 1994-12-29 | 2007-05-23 | [
"hep-th"
] | Ian I. Kogan |
hep-th/9412235 | Four Dimensional String-String Solutions and Symmetries of String
Effective Action | A string action is considered in four spacetime dimensions which is obtained
by dimensionally reducing the ten dimensional effective action. The equations
of motion admit string like solutions. The symmetry properties of the four
dimensional action is discussed. It is shown that new background configurations
can be gen... | 1994-12-29 | 2009-10-28 | [
"hep-th"
] | Jnanadeva Maharana |
hep-th/9412233 | Generalized Pauli-Villars regularization for undoubled lattice fermions | A manifestly gauge invariant formulation of chiral theories with fermions on
the lattice is developed. It combines SLAC lattice derivative \cite{DWY},
\cite{ACS}, \cite{S} and generalized Pauli-Villars regularization \cite{FS}.
The theory is free of fermion doubling, requires only local gauge invariant
counterterms and... | 1994-12-29 | 2009-10-28 | [
"hep-th"
] | A.A. Slavnov |
hep-th/9412231 | Vertex--Operatoren, Darstellungen der Virasoro--Algebra und konforme
Quantenfeldtheorie | In this work we describe the mathematical foundations used in the
construction of primary fields of minimal models of conformal field theory. The
work contains two parts: In the first part we give a description of Verma and
Fock modules for the Virasoro algebra and develop their imbedding patterns.
This part is a simpl... | 1994-12-29 | 2007-05-23 | [
"hep-th"
] | Wolfram Boenkost |
hep-th/9412225 | Dynamical Supersymmetry of a Vortex System with $1/r^{2}$ Potential | The Pauli Hamiltonian for a spin $\frac{1}{2}$ charged particle interacting
with a point magnetic vortex and $1/r^{2}$ potential exhibits a dynamical
supersymmetry $Osp(1,1)$ on the plane except at the origin. Using this
symmetry, the spectrum and the wave functions have been obtained. And, the
dynamical supersymmetry ... | 1994-12-29 | 2007-05-23 | [
"hep-th"
] | Younghoon Park and Yongsung Yoon |
hep-th/9412224 | On Quantum Black Holes | A pedagogical discussion is given of some aspects of \lq\lq quantum black
holes", primarily using recently developed two-dimensional models. After a
short preliminary concerning classical black holes, we give several motivations
for studying such models, especially the so called dilaton gravity models in
$1+1$ dimensio... | 1994-12-28 | 2008-02-03 | [
"hep-th"
] | Yoichi Kazama |
hep-th/9412228 | Antibracket, Antifields and Gauge-Theory Quantization | The antibracket formalism for gauge theories, at both the classical and
quantum level, is reviewed. Gauge transformations and the associated gauge
structure are analyzed in detail. The basic concepts involved in the
antibracket formalism are elucidated. Gauge-fixing, quantum effects, and
anomalies within the field-anti... | 1994-12-28 | 2009-10-28 | [
"hep-th"
] | Joaquim Gomis, Jordi Paris and Stuart Samuel |
hep-th/9412227 | Modification of Matrix Models by Square Terms of Scaling Operators | We study one (or two) matrix models modified by terms of the form
$g(\rho(P))^2 + g'(\rho'({\cal{O}}))^2$, where the matrix representation of the
puncture operator $P$ and the one of a scaling operator ${\cal{O}}$ are denoted
by $\rho(P)$ and $\rho'({\cal{O}})$ respectively. We rewrite the modified
models as effective ... | 1994-12-28 | 2007-05-23 | [
"hep-th"
] | Hiroshi Shirokura (Osaka University) |
hep-th/9412229 | Integrable Structure of Conformal Field Theory, Quantum KdV Theory and
Thermodynamic Bethe Ansatz | We construct the quantum versions of the monodromy matrices of KdV theory.
The traces of these quantum monodromy matrices, which will be called as ``${\bf
T}$-operators'', act in highest weight Virasoro modules. The ${\bf
T}$-operators depend on the spectral parameter $\lambda$ and their expansion
around $\lambda = \in... | 1994-12-28 | 2011-02-11 | [
"hep-th"
] | V. Bazhanov, S. Lukyanov, A. Zamolodchikov |
hep-th/9412226 | Calculation of Gromov-Witten invariants for $ CP^{3},CP^{4}$,and
$Gr(2,4)$ | Using the associativity relations of the topological Sigma Models with target
spaces, $CP^3, CP^4$ and $Gr(2,4)$ , we derive recursion relations of their
correlation and evaluate them up to certain order in the expansion over the
instantons. The expansion coeffieients are regarded as the number of rational
curves in $C... | 1994-12-28 | 2015-06-26 | [
"hep-th"
] | Masao Jinzenji and Yi Sun |
hep-th/9412220 | Noncommutative Geometry and a Discretized Version of Kaluza-Klein Theory
with a Finite Field Content | We consider a four-dimensional space-time supplemented by two discrete points
assigned to a $Z_2$ algebraic structure and develop the formalism of
noncommutative geometry. By setting up a generalised vielbein, we study the
metric structure. Metric compatible torsion free connection defines a unique
finite field content... | 1994-12-27 | 2015-06-26 | [
"hep-th",
"gr-qc"
] | Nguyen Ai Viet, Kameshwar C. Wali (Physics Department, Syracuse U.) |
hep-th/9412222 | Vector Multiplets and the Phases of N = 2 Theories in 2D Through the
Looking Glass | We extend Witten's discussion of actions related to the Landau-Ginzburg
description of Calabi-Yau hypersurfaces in weighted projective spaces to cover
the mirror class of models that include twisted chiral matter multiplets and a
newly discovered 2D, N = 2 twisted vector multiplet. Certain integrability
obstructions ar... | 1994-12-27 | 2012-08-27 | [
"hep-th"
] | S. James Gates, Jr |
hep-th/9412221 | Field theory of anyons in the lowest Landau level | We construct a field theory for anyons in the lowest Landau level starting
from the $N$-particle description, and discuss the connection to the full field
theory of anyons defined using a statistical gauge potential. The theory is
transformed to free form, with the fields defined on the circle and satisfying
modified c... | 1994-12-27 | 2009-10-28 | [
"hep-th"
] | T.H. Hansson (Stockholm Univ.), J.M. Leinaas, S. Viefers (Oslo Univ.) |
hep-th/9412216 | Quantum reparametrizations in the two-dimensional gravity: a look from
2+$epsilon$ dimensions | We discuss the structure of one-loop counterterms for the two-dimensional
theory of gravitation in the covariant scheme and study the effect of quantum
reparametrizations.Some of them are shown to be equivalent to the introduction
of 2+$epsilon$-dimensional terms into the initially 2-dimensional theory. We
also argue t... | 1994-12-26 | 2007-05-23 | [
"hep-th"
] | S.Naftulin |
hep-th/9412214 | To the problem of 1/Nc approximation in the Nambu-Jona-Lasinio model | In this article, the gap equation for the constituent quark mass in the
U(2)*U(2) Nambu-Jona-Lasinio model for the 1/Nc approximation is investigated.
It is shown that taking into account scalar isovector mesons plays an important
role for the correct description of quark masses in this approximation. The
role of the W... | 1994-12-26 | 2019-08-17 | [
"hep-th"
] | D.Ebert, M.Nagy.M.K.Volkov |
hep-th/9412219 | Differential Equations Associated to The SU(2) WZNW Model on Elliptic
Curves | We study the $SU(2)$ WZNW model over a family of elliptic curves. Starting
from the formulation developed by Tsuchiya, Ueno and Yamada, we derive a system
of differential equations which contains the Knizhnik-Zamolodchikov-Bernard
equations. Our system completely determines the $N$-point functions and it is
regarded as... | 1994-12-26 | 2008-02-03 | [
"hep-th"
] | Takeshi Suzuki |
hep-th/9412218 | Operator Ordering Problem of the Nonrelativistic Chern-Simons Theory | The operator ordering problem due to the quantization or regularization
ambiguity in the Chern-Simons theory exists. However, we show that this can be
avoided if we require Galilei covariance of the nonrelativistic Abelian
Chern-Simons theory even at the quantum level for the extended sources. The
covariance can be rec... | 1994-12-26 | 2014-11-18 | [
"hep-th"
] | Mu-In Park and Young-Jai Park |
hep-th/9412217 | Interaction of Dual N=1, D=10 Supergravity with Yang-Mills Matter
Multiplet | The lagrangian of the N=1, D=10 dual supergravity interacting with the
Yang-Mills matter multiplet is constructed starting immediately from the
equations of motion obtained from the Bianchi Identities in the superspace
approach. The difference is established in comparison with the Gates-Nishino
lagrangian at the fourth... | 1994-12-26 | 2007-05-23 | [
"hep-th"
] | N.A.Saulina, M.V.Terentiev, K.N.Zyablyuk |
hep-th/9412215 | Random Walk Construction of Spinor Fields on Three Dimensional Lattice | Euclidean invariant Klein-Gordon, Dirac and massive Chern-Simons field
theories are constructed in terms of a random walk with a spin factor on a
three dimensional lattice. We exactly calculate the free energy and the
correlation functions which allow us to obtain the critical diffusion constant
and associated critical... | 1994-12-26 | 2009-10-28 | [
"hep-th",
"cond-mat",
"hep-lat"
] | Masako Asano, Chigak Itoi and Shin-Ichi Kojima |
hep-th/9412212 | Temporal-gauge String Field with Open Strings | A string field theory including open string fields is constructed in the
temporal gauge. It consists of string interaction vertices similar to the
light-cone gauge string field theory. A slight modification of the definition
of the time coordinate is needed because of the existence of the open string
end points. | 1994-12-24 | 2009-10-28 | [
"hep-th"
] | T. Mogami |
hep-th/9412213 | Recent developments in affine Toda field theory | Lectures at the CRM-CAP Summer School 'Particles and Fields 94' August 16-24
1994, Banff, Alberta, Canada. | 1994-12-24 | 2009-09-25 | [
"hep-th"
] | E Corrigan |
hep-th/9412199 | Affine and Yangian Symmetries in $SU(2)_1$ Conformal Field Theory | In these lectures, we study and compare two different formulations of
$SU(2)$, level $k=1$, Wess-Zumino-Witten conformal field theory. The first,
conventional, formulation employs the affine symmetry of the model; in this
approach correlation functions are derived from the so-called
Knizhnik-Zamolodchikov equations. Th... | 1994-12-23 | 2007-05-23 | [
"hep-th"
] | Peter Bouwknegt, Andreas W.W. Ludwig and Kareljan Schoutens |
hep-th/9412211 | Black Hole Entropy | In the talk different definitions of the black hole entropy are discussed and
compared. It is shown that the Bekenstein-Hawking entropy $S^{BH}$ (defined by
the response of the free energy of a system containing a black hole on the
change of the temperature) differs from the statistical- mechanical entropy
$S^{SM}=-\mb... | 1994-12-23 | 2007-05-23 | [
"hep-th",
"gr-qc"
] | Valeri Frolov |
hep-th/9412209 | Threshold Corrections and Symmetry Enhancement in String
Compactifications | We present the computation of threshold functions for Abelian orbifold
compactifications. Specifically, starting from the massive, moduli-dependent
string spectrum after compactification, we derive the threshold functions as
target space duality invariant free energies (sum over massive string states).
In particular we... | 1994-12-23 | 2016-08-14 | [
"hep-th"
] | Gabriel Lopes Cardoso, Dieter L\"ust and Thomas Mohaupt |
hep-th/9412210 | W-Strings on Group Manifolds | We present a procedure for constructing actions describing propagation of
W-strings on group manifolds by using the Hamiltonian canonical formalism and
representations of W-algebras in terms of Kac-Moody currents. An explicit
construction is given in the case of the $W_3$ string. | 1994-12-23 | 2009-01-16 | [
"hep-th"
] | A. Mikovic\'c and B. Sazdovi\'c |
hep-th/9412196 | Low--Energy Properties of (0,2) Compactifications | We investigate the low--energy properties of a Z_12 orbifold with continuous
Wilson line moduli. They give rise to a (0,2) superstring compactification.
Their Kaehler potentials and Yukawa couplings are calculated. We study the
discrete symmetries of the model and their implications on the threshold
corrections to the ... | 1994-12-23 | 2007-05-23 | [
"hep-th"
] | P. Mayr and S. Stieberger |
hep-th/9412202 | Conformal, Integrable and Topological Theories, Graphs and Coxeter
Groups | I review three different problems occuring in two dimensional field theory:
1) classification of conformal field theories; 2) construction of lattice
integrable realizations of the latter; 3) solutions to the WDVV equations of
topological field theories. I show that a structure of Coxeter group is hidden
behind these t... | 1994-12-22 | 2007-05-23 | [
"hep-th"
] | J.-B. Zuber |
hep-th/9412205 | Phase Transition in Scalar Theory Quantized on the Light-Front | The renormalization of the two dimensional light-front quantized $\phi^{4}$
theory is discussed. The mass renormalization condition and the renormalized
constraint equation are shown to contain all the information to describe the
phase transition in the theory, which is found to be of the second order in
agreement with... | 1994-12-22 | 2007-05-23 | [
"hep-th",
"cond-mat",
"hep-ph"
] | Prem P. Srivastava |
hep-th/9412204 | Light-Front Quantization and Spontaneous Symmetry Breaking | The spontaneous symmetry breaking (and Higgs) mechanism in the theory
quantized on the light-front ({\it l.f.}), in the {\it discretized
formulation}, is discussed. The infinite volume limit is taken to obtain the
{\it continuum version}. The hamiltonian formulation is shown to contain a new
ingredient in the form of n... | 1994-12-22 | 2007-05-23 | [
"hep-th",
"cond-mat",
"hep-ph"
] | Prem P. Srivastava |
hep-th/9412194 | The Yangian Deformation of the W-Algebras and and the
Calogero-Sutherland model | The Yangian symmetry Y(su($n$)) of the Calogero-Sutherland-Moser spin model
is reconsidered. The Yangian generators are constructed from two non-commuting
su($n$)-loop algebras. The latters generate an infinite dimensional symmetry
algebra which is a deformation of the $W_\infty$-algebra. We show that this
deformed $W_... | 1994-12-22 | 2007-05-23 | [
"hep-th"
] | Denis Bernard, Kazuhiro Hikami, and Miki Wadati |
hep-th/9412201 | The Problem of Ground State in Thermo-Field Dynamics | Analytic continuation of quantum statistical physics from imaginary to real
time is analyzed. Adiabatic vanishing of interactions at real time infinities
gives origin to singularities at complex times. This undermines the hypothesis
of decoupling of interactions at $t \rightarrow \infty$. Hence an interacting
thermal v... | 1994-12-22 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | A. A. Abrikosov Jr |
hep-th/9412200 | On Electromagnetic Duality in Locally Supersymmetric N=2 Yang--Mills
Theory | We consider duality transformations in N=2 Yang--Mills theory coupled to N=2
supergravity, in a manifestly symplectic and coordinate covariant setting. We
give the essential of the geometrical framework which allows one to discuss
stringy classical and quantum monodromies, the form of the spectrum of BPS
saturated stat... | 1994-12-22 | 2008-02-03 | [
"hep-th"
] | A. Ceresole, R. D'Auria, S. Ferrara and A. Van Proeyen |
hep-th/9412206 | The Monopole Equations in Topological Yang-Mills | We twist the monopole equations of Seiberg and Witten and show how these
equations are realized in topological Yang-Mills theory. A Floer derivative and
a Morse functional are found and are used to construct a unitary transformation
between the usual Floer cohomologies and those of the monopole equations.
Furthermore, ... | 1994-12-22 | 2009-10-28 | [
"hep-th"
] | R. Brooks and A. Lue |
hep-th/9412207 | Elliptic quantum groups | This note for the Proceedings of the International Congress of Mathematical
Physics gives an account of a construction of an ``elliptic quantum group''
associated with each simple classical Lie algebra. It is closely related to
elliptic face models of statistical mechanics, and, in its semiclassical limit,
to the Wess-... | 1994-12-22 | 2007-05-23 | [
"hep-th"
] | Giovanni Felder |
hep-th/9412197 | The Solution of the d-Dimensional Twisted Group Lattices | The general d-dimensional twisted group lattice is solved. The irreducible
representations of the corresponding group are constructed by an explicit
procedure. It is proven that they are complete. All matrix representation
solutions to the quantum hyperplane equations are obtained. | 1994-12-22 | 2009-10-28 | [
"hep-th"
] | O. Lechtenfeld and S. Samuel |
hep-th/9412198 | Topological Strings from WZW Models | We show that the BRST structure of the topological string is encoded in the
``small'' $N=4$ superconformal algebra, enabling us to obtain, in a non-trivial
way, the string theory from hamiltonian reduction of $A(1|1)$. This leads to
the important conclusion that not only ordinary string theories, but
topological string... | 1994-12-22 | 2009-10-28 | [
"hep-th"
] | K. Landsteiner, W. Lerche and A. Sevrin |
hep-th/9412184 | String Solitons | We review the status of solitons in superstring theory, with a view to
understanding the strong coupling regime. These {\it solitonic} solutions are
non-singular field configurations which solve the empty-space low-energy field
equations (generalized, whenever possible, to all orders in $\alpha'$), carry a
non-vanishin... | 1994-12-22 | 2008-11-26 | [
"hep-th"
] | M. J. Duff, Ramzi R. Khuri and J. X. Lu |
hep-th/9412208 | Dirac Monopoles and Witten's Monopole Equations | A simple solution of Witten's monopole equations is given. | 1994-12-22 | 2009-10-28 | [
"hep-th"
] | Peter G.O. Freund |
hep-th/9412195 | BRS symmetry from renormalization group flow | By using the exact renormalization group formulation we prove perturbatively
the Slavnov-Taylor (ST) identities in SU(2) Yang-Mills theory. This results
from two properties: {\it locality}, i.e. the ST identities are valid if their
local part is valid; {\it solvability}, i.e. the local part of ST identities is
valid if... | 1994-12-22 | 2009-10-28 | [
"hep-th"
] | M. Bonini, M. D'Attanasio and G. Marchesini |
hep-th/9412203 | Free Variables and the Two Matrix Model | We study the full set of planar Green's functions for a two-matrix model
using the language of functions of non-commuting variables. Both the standard
Schwinger-Dyson equations and equations determining connected Green's functions
can be efficiently discussed and solved. This solution determines the master
field for th... | 1994-12-22 | 2009-10-28 | [
"hep-th"
] | M. R. Douglas (Rutgers University) and M. Li (Brown University) |
hep-th/9412189 | Black Hole Evaporation. A Survey | This thesis is a review of black hole evaporation with emphasis on recent
results obtained for two dimensional black holes. First, the geometry of the
most general stationary black hole in four dimensions is described and some
classical quantities are defined. Then, a derivation of the spectrum of the
radiation emitted... | 1994-12-21 | 2007-05-23 | [
"hep-th"
] | Farid Benachenhou (Uppsala university) |
hep-th/9412193 | Spontaneous Symmetry Breaking Mechanism in Light-Front Quantized Field
Theory- (Discretized Formulation) | The scalar field is quantized in the discretized light-front framework
following the {\em standard} Dirac procedure and its infinite volume limit
taken. The background field and the nonzero mode variables do not commute for
finite volume; they do so only in the continuum limit. A {\em non-local
constraint} in the theor... | 1994-12-21 | 2007-05-23 | [
"hep-th"
] | Prem P. Srivastava |
hep-th/9412176 | Quantum Group Structure and Local Fields in the Algebraic Approach to 2D
Gravity | This review contains a summary of work by J.-L. Gervais and the author on the
operator approach to 2d gravity. Special emphasis is placed on the construction
of local observables -the Liouville exponentials and the Liouville field itself
- and the underlying algebra of chiral vertex operators. The double quantum
group ... | 1994-12-21 | 2014-11-18 | [
"hep-th"
] | Jens Schnittger |
hep-th/9412187 | The Refined Elliptic Genus and Coulomb Gas Formulations of $N=2$
Superconformal Coset Models | We describe, in some detail, a number of different Coulomb gas formulations
of $N=2$ superconformal coset models. We also give the mappings between these
formulations. The ultimate purpose of this is to show how the Landau-Ginzburg
structure of these models can be used to extract the $W$-generators, and to
show how the... | 1994-12-21 | 2009-10-28 | [
"hep-th"
] | D. Nemeschansky and N. P. Warner |
hep-th/9412188 | Fermionic and bosonic pair creation in an external electric field at
finite temperature using the functional Schr\"odinger representation | We solve the time evolution of the density matrix both for fermions and
bosons in the presence of a homogeneous but time dependent external electric
field. The number of particles produced by the external field, as well as their
distribution in momentum space is found for finite times. Furthermore, we
calculate the pro... | 1994-12-21 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | Joakim Hallin and Per Liljenberg |
hep-th/9412190 | Separation of variables and the XXZ Gaudin magnet | In this work we generalise previous results connecting (rational) Gaudin
magnet models and classical separation of variables. It is shown that the
connection persists for the case of linear r-matrix algebra which corresponds
to the trigonometric 4x4 r-matrix (of the XXZ type). We comment also on the
corresponding probl... | 1994-12-21 | 2012-08-27 | [
"hep-th"
] | E.G.Kalnins, V.B.Kuznetsov and Willard Miller, Jr |
hep-th/9412183 | Gap Equations of O(N) Non-linear Sigma Model in Three Dimensions | We study the $O(N)$ non-linear $\sigma$ model on three-dimensional manifolds
of constant curvature by means of the large $N$ expansion at the critical
point. We examine saddle point equations imposing anti-periodic boundary
condition in time direction. In the case $S^1 \times S^2$ we find that a
solution is inevitably ... | 1994-12-21 | 2007-05-23 | [
"hep-th"
] | Kazuto Oshima |
hep-th/9412185 | The Standard Model a la Connes-Lott | The relations among coupling constants and masses in the standard model \`a
la Connes-Lott with general scalar product are computed in detail. We find a
relation between the top and the Higgs masses. For $m_t=174\pm22\ GeV$ it
yields $m_H=277\pm40\ GeV$. The Connes-Lott theory privileges the masses
$m_t=160.4\ GeV$ and... | 1994-12-21 | 2015-06-26 | [
"hep-th"
] | Daniel Kastler, Thomas Schucker (Marseille) |
hep-th/9412191 | Deformed 2d CFT: Landau-Ginzburg Lagrangians and Toda theories | We consider the relation between affine Toda field theories (ATFT) and
Landau-Ginzburg Lagrangians as alternative descriptions of deformed 2d CFT.
First, we show that the two concrete implementations of the deformation are
consistent once quantum corrections to the Landau-Ginzburg Lagrangian are taken
into account. Sec... | 1994-12-21 | 2007-05-23 | [
"hep-th"
] | Jose Gaite |
hep-th/9412186 | Explicit breaking of supersymmetry by non-perturbative effects | Instanton effects in a family of completely massive Higgs models with N=1
supersymmetry are investigated. The models have $N_c=2$ and $N_f\ge 2$. In each
model, we show that a certain gauge invariant correlation function depends in a
non-trivial way on its coordinates, in spite of the fact that supersymmetry
requires i... | 1994-12-21 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | A. Casher, V. Elkonin and Y. Shamir |
hep-th/9412192 | Boundary K-matrix for the quantum Mikhailov-Shabat model | ( We present complete solutions of $K$-matrix for the quantum
Mikhailov-Shabat model. It has been known that there are three diagonal
solutions with no free parameters, one being trivial identity solution, the
others non-trivial. The most general solutions which we found consist of three
families corresponding to each ... | 1994-12-21 | 2007-05-23 | [
"hep-th"
] | J.D. Kim |
hep-th/9412169 | Exact Partition Function and Boundary State of Critical Ising Model with
Boundary Magnetic Field | We compute the exact partition function of the 2D Ising Model at critical
temperature but with nonzero magnetic field at the boundary. The model
describes a renormalization group flow between the free and fixed conformal
boundary conditions in the space of boundary interactions. For this flow the
universal ground state... | 1994-12-20 | 2009-10-28 | [
"hep-th"
] | R.Chatterjee (Rutgers University) |
hep-th/9412174 | Zero-mode, Winding Number and Quantization of Abelian Sigma Model in
(1+1) Dimensions | We consider the $ U(1) $ sigma model in the two dimensional space-time which
is a field-theoretical model possessing a nontrivial topology. It is pointed
out that its topological structure is characterized by the zero-mode and the
winding number. A new type of commutation relations is proposed to quantize the
model res... | 1994-12-20 | 2007-05-23 | [
"hep-th"
] | Shogo Tanimura (Nagoya University) |
hep-th/9412182 | Simplicial Chiral Models | Principal chiral models on a d-1 dimensional simplex are introduced and
studied analytically in the large $N$ limit. The $d = 0, 2, 4$ and $\infty$
models are explicitly solved. Relationship with standard lattice models and
with few-matrix systems in the double scaling limit are discussed. | 1994-12-20 | 2009-10-28 | [
"hep-th"
] | Paolo Rossi (INFN at Pisa) and Chung-I Tan (Brown Univ.) |
hep-th/9412173 | An Effective Action for Quasi-elastic Scatterings in QCD | A new effective action for the high energy quark-quark scatterings is
obtained by applying a scaling approximation to the QCD action. The propagators
are shown to factorize into the transverse and the longitudinal parts so that
the scattering amplitudes are given in terms of the products of two dimensional
$S$-matrices... | 1994-12-20 | 2009-12-30 | [
"hep-th",
"hep-ph"
] | B.K. Chung, Soonkeon Nam, Q-Han Park and H.J. Shin |
hep-th/9412178 | Vacuum polarization around a straight wire carrying a steady current | Motivated by the example of the superconducting cosmic string which can be a
physical representation of a straight wire carrying a steady current, we derive
in this case the explicit expressions of the induced vector potential, current
density and magnetic field due to the vacuum polarization at the first order in
the ... | 1994-12-20 | 2007-05-23 | [
"hep-th"
] | B. Linet |
hep-th/9412175 | Quantum intersection rings | We examine a few problems of enumerative geometry and present their solutions
in the framework of deformed (quantum) cohomology rings. | 1994-12-20 | 2007-05-23 | [
"hep-th"
] | P. Di Francesco and C. Itzykson |
hep-th/9412180 | More on scattering of Chern-Simons vortices | I derive a general formalism for finding kinetic terms of the effective
Lagrangian for slowly moving Chern-Simons vortices. Deformations of fields
linear in velocities are taken into account. From the equations they must
satisfy I extract the kinetic term in the limit of coincident vortices. For
vortices passing one ov... | 1994-12-20 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | Jacek Dziarmaga |
hep-th/9412177 | The One-Loop Divergences of the Linear Gravity with the Torsion Terms | We investigate the role of the torsion field at the quantum level in the
affine-metric theory of gravity. One-loop counterterms are calculated in the
theory with terms quadratic in the torsion field. | 1994-12-20 | 2014-11-18 | [
"hep-th",
"gr-qc"
] | M.Yu.Kalmykov and P.I.Pronin |
hep-th/9412179 | Vanishing Theorems for the Self-Dual N=2 String | It is proven that up to possible surface terms, the only non-vanishing
momentum-dependent amplitudes for the self-dual N=2 string in $R^{2,2}$ are the
tree-level two and three-point functions, and the only non-vanishing
momentum-independent amplitudes are the one-loop partition function and the
tree-level two and four-... | 1994-12-20 | 2009-10-28 | [
"hep-th"
] | Nathan Berkovits |
hep-th/9412181 | The renormalization group flow of the dilaton potential | We consider a scalar-metric gauge theory of gravity with independent metric,
connection and dilaton. The role of the dilaton is to provide the scale of all
masses, via its vacuum expectation value. In this theory, we study the
renormalization group flow of the dilaton potential, taking into account
threshold effects at... | 1994-12-20 | 2009-10-28 | [
"hep-th"
] | R. Floreanini and R. Percacci |
hep-th/9412159 | Why Aren't Black Holes Infinitely Produced? | Unitarity and locality imply a remnant solution to the information problem,
and also imply that Reissner-Nordstrom black holes have infinite numbers of
internal states. Pair production of such black holes is reexamined including
the contribution of these states. It is argued that the rate is proportional to
the thermod... | 1994-12-19 | 2010-11-01 | [
"hep-th",
"gr-qc"
] | Steven B. Giddings |
hep-th/9412167 | Hilbert Space Representation of the Minimal Length Uncertainty Relation | The existence of a minimal observable length has long been suggested, in
quantum gravity, as well as in string theory. In this context a generalized
uncertainty relation has been derived which quantum theoretically describes the
minimal length as a minimal uncertainty in position measurements. Here we study
in full det... | 1994-12-19 | 2009-07-09 | [
"hep-th",
"quant-ph"
] | A. Kempf, G. Mangano, R. B. Mann |
hep-th/9412166 | An Algebraic Approach to Form Factors | An associative $*$-algebra is introduced (containing a $TTR$-algebra as a
subalgebra) that implements the form factor axioms, and hence indirectly the
Wightman axioms, in the following sense: Each $T$-invariant linear functional
over the algebra automatically satisfies all the form factor axioms. It is
argued that this... | 1994-12-19 | 2009-10-28 | [
"hep-th"
] | M.R. Niedermaier |
hep-th/9412165 | On the overlap formulation of chiral gauge theory | The overlap formula proposed by Narayanan and Neuberger in chiral gauge
theories is examined. The free chiral and Dirac Green's functions are
constructed in this formalism. Four dimensional anomalies are calculated and
the usual anomaly cancellation for one standard family of quarks and leptons is
verified. | 1994-12-19 | 2009-10-28 | [
"hep-th",
"hep-lat",
"hep-ph"
] | S. Randjbar-Daemi and J. Strathdee |
hep-th/9412168 | Non-critical $d=2$ Gravities and Integrable Models | We review the origin of anomaly-induced dynamics in theories of $d=2$ gravity
from a BRST viewpoint and show how quantum canonical transformations may be
used to solve the resulting Liouville or Toda models for the anomalous modes. | 1994-12-19 | 2007-05-23 | [
"hep-th"
] | K.S. Stelle (Imperial College) |
hep-th/9412160 | D=11 Supermembrane Instantons, W(infty) Strings and the Super Toda
Molecule | Exact instanton solutions to $D=11$ spherical supermembranes moving in flat
target spacetime backgrounds are construted. Our starting point is Super
Yang-Mills theories, based on the infinite dimensional $SU(\infty)$ group,
dimensionally reduced to one time dimension. In this fashion the super-Toda
molecule equation is... | 1994-12-19 | 2007-05-23 | [
"hep-th"
] | Carlos Castro |
hep-th/9412171 | Wess-Zumino Terms for Reducible Anomalous Gauge Theories | Reducible off-shell anomalous gauge theories are studied in the framework of
an extended Field-Antifield formalism by introducing new variables associated
with the anomalous gauge degrees of freedom. The Wess-Zumino term for these
theories is constructed and new gauge invariances appear. The quantum effects
due to the ... | 1994-12-19 | 2009-10-28 | [
"hep-th"
] | J.Gomis, J.M.Pons and F.Zamora |
hep-th/9412172 | On the stability of p-brane | Stability of some solutions of the equations of motion of bosonic p-branes in
curved and flat spacetimes is stated. | 1994-12-19 | 2010-04-06 | [
"hep-th"
] | P.Demkin |
hep-th/9412163 | Superconformal Sigma Models in Higher Than Two Dimensions | Rigidly superconformal sigma models in higher than two dimensions are
constructed. These models rely on the existence of conformal Killing spinors on
the $p+1$ dimensional worldvolume $(p\le 5)$, and homothetic conformal Killing
vectors in the $d$--dimensional target space. In the bosonic case, substituting
into the ac... | 1994-12-19 | 2009-10-28 | [
"hep-th"
] | E. Sezgin and Y. Tanii |
hep-th/9412170 | Integrable Time-Discretisation of the Ruijsenaars-Schneider Model | An exactly integrable symplectic correspondence is derived which in a
continuum limit leads to the equations of motion of the relativistic
generalization of the Calogero-Moser system, that was introduced for the first
time by Ruijsenaars and Schneider. For the discrete-time model the equations of
motion take the form o... | 1994-12-19 | 2015-06-26 | [
"hep-th"
] | F.W. Nijhoff, O. Ragnisco and V.B. Kuznetsov |
hep-th/9412162 | The 10-D chiral null model and the relation to 4-D string solutions | The chiral null model is a generalization of the fundamental string and
gravitational wave background. It is an example of a conformally invariant
model in all orders in $\alpha'$ and has unbroken supersymmetries. In a
Kaluza--Klein approach we start in 10 dimensions and reduce the model down to 4
dimensions without ma... | 1994-12-19 | 2010-11-01 | [
"hep-th",
"gr-qc"
] | Klaus Behrndt |
hep-th/9412161 | Temperature and Entropy of a Quantum Black Hole and Conformal Anomaly | Attention is paid to the fact that temperature of a classical black hole can
be derived from the extremality condition of its free energy with respect to
variation of the mass of a hole. For a quantum Schwarzschild black hole
evaporating massless particles the same condition is shown to result in the
following one-loop... | 1994-12-19 | 2009-12-30 | [
"hep-th"
] | D.V. Fursaev |
hep-th/9412164 | SO(N) invariant Wess-Zumino action and its quantization | A consistent quantization procedure of anomalous chiral models is discussed.
It is based on the modification of the classical action by adding Wess-Zumino
terms. The $SO(3)$ invariant WZ action for the $SO(3)$ model is constructed.
Quantization of the corresponding modified theory is considered in details. | 1994-12-19 | 2009-10-28 | [
"hep-th"
] | S.A.Frolov, A.A.Slavnov and C.Sochichiu |
hep-th/9412155 | Anisotropic Asymptotics and High Energy Scattering | Recently E.Verlinde and H.Verlinde have suggested an effective
two-dimensional theory describing the high-energy scattering in QCD. In this
report we attempt to clarify some issues of this suggestion. We consider {\it
anisotropic asymptotics} of correlation functions for scalar and gauge theories
in four dimensions. An... | 1994-12-18 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | I.Ya.Aref'eva and I.V.Volovich |
hep-th/9412154 | Supersymmetric Analogs of the Gordon-Andrews Identities, and Related TBA
Systems | The Gordon-Andrews identities, which generalize the Rogers-Ramanujan-Schur
identities, provide product and fermionic forms for the characters of the
minimal conformal field theories (CFTs) M(2,2k+1). We discuss/conjecture
identities of a similar type, providing two different fermionic forms for the
characters of the mo... | 1994-12-18 | 2007-05-23 | [
"hep-th"
] | Ezer Melzer (Tel-Aviv University) |
hep-th/9412156 | Quantal Overlapping Resonance Criterion in the Pullen Edmonds Model | In order to highlight the onset of chaos in the Pullen-Edmonds model a
quantal analog of the resonance overlap criterion has been examined. A quite
good agreement between analytical and numerical results is obtained. | 1994-12-18 | 2015-06-26 | [
"hep-th"
] | S. Graffi, V.R. Manfredi, L. Salasnich |
hep-th/9412157 | Planckian Energy Scattering, Colliding Plane Gravitational Waves and
Black Hole Creation | In a series of papers Amati, Ciafaloni and Veneziano and 't Hooft conjectured
that black holes occur in the collision of two light particles at planckian
energies. In this paper we discuss a possible scenario for such a process by
using the Chandrasekhar-Ferrari-Xanthopoulos duality between the Kerr black
hole solution... | 1994-12-18 | 2010-11-01 | [
"hep-th",
"gr-qc"
] | I.Ya. Aref'eva, K.S. Viswanathan and I.V.Volovich |
hep-th/9412158 | On the Monodromies of N=2 Supersymmetric Yang-Mills Theory | We review the generalization of the work of Seiberg and Witten on N=2
supersymmetric SU(2) Yang-Mills theory to SU(n) gauge groups. The quantum
moduli spaces of the effective low energy theory parametrize a special family
of hyperelliptic genus n-1 Riemann surfaces. We discuss the massless spectrum
and the monodromies. | 1994-12-18 | 2007-05-23 | [
"hep-th"
] | A. Klemm, W. Lerche, S. Theisen and S. Yankielowicz |
hep-th/9412153 | Differential Geometry on Hopf Algebras and Quantum Groups (Ph.D. Thesis) | The differential geometry on a Hopf algebra is constructed, by using the
basic axioms of Hopf algebras and noncommutative differential geometry. The
space of generalized derivations on a Hopf algebra of functions is presented
via the smash product, and used to define and discuss quantum Lie algebras and
their propertie... | 1994-12-17 | 2008-02-03 | [
"hep-th",
"math.QA",
"q-alg"
] | Paul Watts (LBL and UC Berkeley) |
hep-th/9412152 | ``Alternative $N=(4,0)$ Superstring and $\s$-Models'' | We present an alternative $N=(4,0)$ superstring theory, with field content
different from that of previously-known $N=(4,0)$ superstring theories. This
theory is presented as a non-linear $\s$-model on the coset $SU(n,1) / SU(n)
\otimes U(1)$ as the target space-time with torsion, which is coupled to
$N=(4,0)$ world-sh... | 1994-12-17 | 2009-10-28 | [
"hep-th"
] | Hitoshi Nishino |
hep-th/9412142 | Algebraic Framework for Quantization of Nonultralocal Models | Extension of the braid relations to the multiple braided tensor product of
algebras that can be used for quantization of nonultralocal models is
presented. The Yang--Baxter--type consistency conditions as well as conditions
for the existence of the multiple coproduct (monodromy matrix), which can be
used for constructi... | 1994-12-16 | 2009-10-28 | [
"hep-th",
"math.QA",
"q-alg"
] | L.Hlavaty |
hep-th/9412141 | Homological Algebra and Yang-Mills Theory | The antifield-BRST formalism and the various cohomologies associated with it
are surveyed and illustrated in the context of Yang-Mills gauge theory. In
particular, the central role played by the Koszul-Tate resolution and its
relation to the characteristic cohomology are stressed. | 1994-12-16 | 2007-05-23 | [
"hep-th"
] | Marc Henneaux |
hep-th/9412151 | Spatial Geometry and the Wu-Yang Ambiguity | We display 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 system
into a spatial g... | 1994-12-16 | 2015-06-26 | [
"hep-th"
] | Daniel Z. Freedman and Ramzi R. Khuri |
hep-th/9412140 | Wigner transformation for the determinant of Dirac operators | We use the $\zeta$-function regularization and an integral representation of
the complex power of a pseudo differential operator, to give an unambiguous
definition of the determinant of the Dirac operator. We bring this definition
to a workable form by making use of an asymmetric Wigner representation. The
expression s... | 1994-12-16 | 2009-10-28 | [
"hep-th"
] | L.L. Salcedo and E. Ruiz Arriola |
hep-th/9412139 | $R$ Matrix for $U_{q}E_{7}$ | The quantum Clebsch-Gordan coefficients and the explicit form of the
$\breve{R}_{q}$ matrix related with the minimal representation of the quantum
enveloping algebra $U_{q}E_{7}$ are calculated in this paper. | 1994-12-16 | 2007-05-23 | [
"hep-th"
] | Jin Bai-Qi and Ma Zhong-Qi (Institute of High Energy Physics, Beijing,
P. R. of China) |
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