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/9406126 | 4-dimensional dilaton black holes with cosmological constant | Static and spherically symmetric black hole solutions with non-zero
cosmological constant are investigated. A formal power series solution is
found. It is proved that the number of regular horizons is less than or equal
to 2 for positive cosmological constant and is less than or equal to 1 for
negative cosmological con... | 1994-06-19 | 2007-05-23 | [
"hep-th"
] | Tadashi Okai |
hep-th/9406127 | Induced Gravity from the Consistent String Theory Coupled with Two -
Dimensional Quantum Gravity | The unified theory of string and two-dimensional quantum gravity is
considered. The action for two-dimensional gravity is choosen in a well-known
induced form and thus gravity posesses it's oun nontrivial dynamics even on the
classical level. Three classically equivalent forms of the action of the
unified theory are de... | 1994-06-19 | 2007-05-23 | [
"hep-th"
] | I.L.Buchbinder, I.L.Shapiro, A.G.Sibiryakov |
hep-th/9406128 | Non-Abelian Strong-Weak Coupling Duality in (String-Derived) N=4
Supersymmetric Yang-Mills Theories | We study strong-weak coupling duality (S-duality) in N=4 supersymmetric
non-Abelian Yang-Mills theories. These theories arise naturally as the
low-energy limit of four-dimensional toroidal compactifications of the
heterotic string. Firstly, we define the free energy in the presence of
electric and magnetic fluxes using... | 1994-06-19 | 2011-07-19 | [
"hep-th"
] | L. Girardello, A. Giveon, M. Porrati and A. Zaffaroni |
hep-th/9406123 | Smooth Paths on Three Dimensional Lattice | A particular class of random walks with a spin factor on a three dimensional
cubic lattice is studied. This three dimensional random walk model is a simple
generalization of random walk for the two dimensional Ising model. All critical
diffusion constants and associated critical exponents are calculated. Continuum
fiel... | 1994-06-18 | 2009-10-28 | [
"hep-th"
] | Chigak Itoi |
hep-th/9406125 | Exact solution of a massless scalar field with a relevant boundary
interaction | We solve exactly the "boundary sine-Gordon" system of a massless scalar field
\phi with a \cos[\beta\phi/2] potential at a boundary. This model has appeared
in several contexts, including tunneling between quantum-Hall edge states and
in dissipative quantum mechanics. For \beta^2 < 8\pi, this system exhibits a
boundary... | 1994-06-18 | 2009-10-28 | [
"hep-th"
] | P. Fendley, H. Saleur and N.P. Warner |
hep-th/9406121 | Equivariant Localization, Spin Systems and Topological Quantum Theory on
Riemann Surfaces | We study equivariant localization formulas for phase space path integrals
when the phase space is a multiply connected compact Riemann surface. We
consider the Hamiltonian systems to which the localization formulas are
applicable and show that the localized partition function for such systems is a
topological invariant... | 1994-06-18 | 2015-06-26 | [
"hep-th"
] | Gordon W. Semenoff and Richard J. Szabo |
hep-th/9406122 | On the possible experimental manifestations of the torsion field at low
energies | We construct the theoretical base for the search of the possible experimental
manifestations of the torsion field at low energies. The weakrelativistic
approximation to the Dirac equation in an external torsion field is considered.
For the sake of generality we introduce the external electromagnetic field in
parallel. ... | 1994-06-18 | 2007-05-23 | [
"hep-th"
] | V.G.Bagrov, I.L.Buchbinder, I.L.Shapiro |
hep-th/9406124 | N = 2 Super $W_{\infty}$ Algebra and its Nonlinear Realization Through
Super KP Formulation | A nonlinear realization of super $W_{\infty}$ algebra is shown to exist
through a consistent superLax formulation of super KP hierarchy. The reduction
of the superLax operator gives rise to the Lax operators for $N=2$ generalized
super KdV hierarchies, proposed by Inami and Kanno. The Lax equations are shown
to be Hami... | 1994-06-18 | 2009-10-28 | [
"hep-th"
] | Sasanka Ghosh and Samir K. Paul |
hep-th/9406111 | Subalgebras of $W_{1+\infty}$ and Their Quasifinite Representations | We propose a series of new subalgebras of the $W_{1+\infty}$ algebra
parametrized by polynomials $p(w)$, and study their quasifinite
representations. We also investigate the relation between such subalgebras and
the $\hat{\mbox{gl}}(\infty)$ algebra. As an example, we investigate the $\Win$
algebra which corresponds to... | 1994-06-17 | 2009-10-28 | [
"hep-th"
] | H.Awata, M.Fukuma, Y.Matsuo, S.Odake |
hep-th/9406112 | Large Parabosons versus supersymmetry in Jahn-Teller Systems | The applications of parabosons by Schmutz (1980) and of supersymmetry by
Jarvis {\em et al.} (1984) in Jahn-Teller systems are compared and contrasted.
Although a parasupersymmetric Jahn-Teller system has not yet been identified,
the method of Schmutz is used here to show that the $E \times \epsilon $
supersymmetric Ja... | 1994-06-17 | 2009-10-28 | [
"hep-th"
] | Edward D. Savage & G E Stedman |
hep-th/9406117 | Thermodynamics of the Massive Gross-Neveu Model | We study the thermodynamics of massive Gross-Neveu models with explicitly
broken discrete or continuous chiral symmetries for finite temperature and
fermion densities. The large $N$ limit is discussed bearing attention to the
no-go theorems for symmetry breaking in two dimensions which apply to the
massless cases. The ... | 1994-06-17 | 2009-10-28 | [
"hep-th"
] | A. Barducci, R. Casalbuoni, R. Gatto, M. Modugno and G. Pettini |
hep-th/9406120 | Superanalogs of symplectic and contact geometry and their applications
to quantum field theory | The paper contains a short review of the theory of symplectic and contact
manifolds and of the generalization of this theory to the case of
supermanifolds. It is shown that this generalization can be used to obtain some
important results in quantum field theory. In particular, regarding
$N$-superconformal geometry as p... | 1994-06-17 | 2008-02-03 | [
"hep-th",
"math.SG"
] | Albert Schwarz |
hep-th/9406115 | Gauge parameter dependence in gauge theories (revised: subsection 2.3) | Dependence on the gauge parameters is an important issue in gauge theories:
physical quantities have to be independent. Extending BRS transformations by
variation of the gauge parameter into a Grassmann variable one can control
gauge parameter dependence algebraically. As application we discuss the anomaly
coefficient ... | 1994-06-17 | 2009-10-28 | [
"hep-th"
] | E. Kraus, K. Sibold |
hep-th/9406114 | Quantum Heisenberg Group and Algebra: Contraction, Left and Right
Regular Representations | We show that the quantum Heisenberg group $H_{q}(1)$ can be obtained by means
of contraction from quantum $SU_q(2)$ group. Its dual Hopf algebra is the
quantum Heisenberg algebra $U_{q}(h(1))$. We derive left and right regular
representations for $U_{q}(h(1))$ as acting on its dual $H_{q}(1)$. Imposing
conditions on th... | 1994-06-17 | 2009-10-28 | [
"hep-th"
] | Demosthenes Ellinas and Jan Sobczyk |
hep-th/9406118 | Sectors of Mutually Local Fields in Integrable Models of Quantum Field
Theory | It is known that 2D field theories admit several sectors of mutually local
fields so as two fields from different sectors are mutually nonlocal. We show
that any one-partical integrable model with ${\bf Z}_2$ symmetry contains three
sectors: bosonic, fermionic and `disorder' one. We generalize the form factor
axioms to... | 1994-06-17 | 2008-02-03 | [
"hep-th"
] | M. Yu. Lashkevich |
hep-th/9406116 | Highest Weight $U_q[sl(n)]$ Modules and Invariant Integrable n-State
Models with Periodic Boundary Conditions" | The weights are computed for the Bethe vectors of an RSOS type model with
periodic boundary conditions obeying $U_q[sl(n)]$ ($q=\exp(i\pi/r)$)
invariance. They are shown to be highest weight vectors. The q-dimensions of
the corresponding irreducible representations are obtained. | 1994-06-17 | 2009-10-28 | [
"hep-th"
] | A. Zapletal and M. Karowski |
hep-th/9406119 | U(1) Field Theory in the Limit of a Large Coupling Constant | We consider a massive fermion interacting with a U(1) gauge field in the
limit of a large coupling constant. It is found that the current has a
generalized London term that can originate massive excitations for two of the
three components of the gauge field, which disappear for a free particle at
rest. The origin of th... | 1994-06-17 | 2008-02-03 | [
"hep-th"
] | Marco Frasca |
hep-th/9406113 | Racks and Orbits of Dressing Transformations | New algebraic structure on the orbits of dressing transformations of the
quasitriangular Poisson Lie groups is provided. This give the topological
interpretation of the link invariants associated with the Weinstein--Xu
classical solutions of the quantum Yang-Baxter equation. Some applications to
the three-dimensional t... | 1994-06-17 | 2007-05-23 | [
"hep-th"
] | A. Balinsky |
hep-th/9406109 | Swimming of Microorganism and the String- and Membrane- like Algebra | Swimming of microorganisms is further developed from a viewpoint of strings
and membranes swimming in the incompressible fluid of low Reynolds number. In
our previous paper the flagellated motion was analyzed in two dimensional
fluid, by using the method developed in the ciliated motion with the Joukowski
transformatio... | 1994-06-16 | 2007-05-23 | [
"hep-th"
] | Masako Kawamura, Akio Sugamoto, Shin'ichi Nojiri |
hep-th/9406110 | Limitation to Quantum Measurements of Spacetime Distances | Inspired by the work of Wheeler among others, we have studied the problem of
quantum measurements of space-time distances by applying the general principles
of quantum mechanics as well as those of general relativity. Contrary to the
folklore, the minimum error in the measurement of a length is shown to be
proportional... | 1994-06-16 | 2011-03-28 | [
"hep-th"
] | Y. Jack Ng |
hep-th/9406107 | Some Concepts of Modern Algebraic Geometry: Point, Ideal and
Homomorphism | Starting from classical algebraic geometry over the complex numbers (as it
can be found for example in Griffiths and Harris it was the goal of these
lectures to introduce some concepts of the modern point of view in algebraic
geometry. Of course, it was quite impossible even to give an introduction to
the whole subject... | 1994-06-16 | 2008-02-03 | [
"hep-th",
"math.AG"
] | Martin Schlichenmaier |
hep-th/9406106 | Non-hermitian techniques of canonical transformations in quantum
mechanics | The quantum mechanical version of the four kinds of classical canonical
transformations is investigated by using non-hermitian operator techniques. To
help understand the usefulness of this appoach the eigenvalue problem of a
harmonic oscillator is solved in two different types of canonical
transformations. The quantum... | 1994-06-16 | 2009-10-28 | [
"hep-th"
] | Haewon Lee and W.S. l'Yi |
hep-th/9406097 | Calculus and Quantizations over Hopf algebras | In this paper we outline an approach to calculus over quasitriangular Hopf
algebras. We study differential operators in the framework of monoidal
categories equipped with a braiding or symmetry. To be more concrete, we choose
as an example the category of modules over quasitriangular Hopf algebra. We
introduce braided ... | 1994-06-15 | 2007-05-23 | [
"hep-th"
] | Valentin Lychagin |
hep-th/9406103 | On the Mathai-Quillen Formalism of Topological Sigma Models | We present a Mathai-Quillen interpretation of topological sigma models. The
key to the construction is a natural connection in a suitable infinite
dimensional vector bundle over the space of maps from a Riemann surface (the
world sheet) to an almost complex manifold (the target). We show that the
covariant derivative o... | 1994-06-15 | 2009-10-28 | [
"hep-th"
] | Siye Wu |
hep-th/9406096 | A Functional and Lagrangian Formulation of Two-Dimensional Topological
Gravity | We reconsider two-dimensional topological gravity in a functional and
lagrangian framework. We derive its Slavnov-Taylor identities and discuss its
(in)dependence on the background gauge. Correlators of reparamerization
invariant observables are shown to be globally defined forms on moduli space.
The potential obstruct... | 1994-06-15 | 2007-05-23 | [
"hep-th"
] | C.M. Becchi, R. Collina and C. Imbimbo |
hep-th/9406098 | Non-standard quantum so(2,2) and beyond | A new "non-standard" quantization of the universal enveloping algebra of the
split (natural) real form $so(2,2)$ of $D_2$ is presented. Some (classical)
graded contractions of $so(2,2)$ associated to a $Z_2 \times Z_2$ grading are
studied, and the automorphisms defining this grading are generalized to the
quantum case,... | 1994-06-15 | 2009-10-28 | [
"hep-th",
"math.QA"
] | A. Ballesteros, F.J. Herranz, M.A. del Olmo and M. Santander |
hep-th/9406104 | Cluster Estimates and Analytic Wavefunctions | The Tomita-Takesaki modular theory is used to establish a cluster estimate
extending and modifying that of Thomas and Wichmann, so as to extend it to
regions within which the relevant observables are not necessarily spacelike
separated. This sort of estimate is then applied to the case of a massive free
field, to show ... | 1994-06-15 | 2007-05-23 | [
"hep-th"
] | D. R. Davidson |
hep-th/9406105 | Massive String States as Extreme Black Holes | We consider the Schwarz-Sen spectrum of elementary electrically charged
massive $N_R=1/2$ states of the four-dimensional heterotic string and show the
maximum spin $1$ supermultiplets to correspond to extreme black hole solutions.
The $N_L=1$ states and $N_L>1$ states (with vanishing left-moving internal
momentum) admi... | 1994-06-15 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | M.J. Duff and J. Rahmfeld |
hep-th/9406094 | Schwinger Model in the Light-Cone Representation | I present a solution to the Schwinger model in the light-cone representation
which corrects an error in a previous work. I emphasize the details of the
mechanism by which the physical vacuum is different than the perturbative
vacuum. I suggest that the method of analyzing vacuum structure presented here
may be of use i... | 1994-06-15 | 2009-10-28 | [
"hep-th"
] | Gary McCartor |
hep-th/9406100 | The String Calculation of Wilson Loops in Two-Dimensional Yang-Mills
Theory | We demonstrate that the large-N expansion of Wilson loop expectation values
in SO(N) and Sp(N) Yang-Mills theory on orientable and nonorientable surfaces
has a natural description as a weighted sum over covers of the given surface.
The sum takes the form of the perturbative expansion of an open string theory.
The deriv... | 1994-06-15 | 2009-10-28 | [
"hep-th"
] | Stephen G. Naculich, Harold A. Riggs, and Howard J. Schnitzer |
hep-th/9406099 | Quantum groups and Jordan structures | This paper is meant to be an informal introduction to Quantum Groups,
starting from its origins and motivations until the recent developments. We
call in particular the attention on the newly descovered relationship among
quantum groups, integrable models and Jordan structures. | 1994-06-15 | 2008-02-03 | [
"hep-th",
"math.QA"
] | R. Iordanescu and P. Truini |
hep-th/9406102 | The Dimension of Decompactified Spacetime from String Theory | The implications of string theory for understanding the dimension of
decompactified spacetime are discussed. Results from a computer model designed
to simulate expansion of the early universe during the string dominated phase
are presented. This model focuses on the effects of string winding modes on
inflation and is b... | 1994-06-15 | 2009-09-25 | [
"hep-th"
] | Gerald B. Cleaver |
hep-th/9406095 | Strongly homotopy Lie algebras | The present paper can be thought of as a continuation of the paper
"Introduction to sh Lie algebras for physicists" by T. Lada and J. Stasheff
(International Journal of Theoretical Physics Vol. 32, No. 7 (1993),
1087--1103, appeared also as preprint hep-th/9209099) which provided an
exposition of the basic ingredients ... | 1994-06-15 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Tom Lada and Martin Markl |
hep-th/9406101 | Gso Projection, BRST Cohomology and Picture-Changing in N=2 String
Theory | We investigate in detail the critical $N{=}2$ fermionic string with and
without a global ${\bf Z}_2$ twist. An analysis of BRST cohomology shows that
twisted sectors contain massless `spacetime' fermions which are {\it
non-local\/} with respect to the standard massless boson. However, two distinct
GSO projections exist... | 1994-06-15 | 2009-10-28 | [
"hep-th"
] | J. Bischoff, S. V. Ketov and O. Lechtenfeld |
hep-th/9406108 | Quantum Field Theory without Divergences: Quantum Spacetime | A fundamental length is introduced into physics in a way which respects the
principles of relativity and quantum field theory. This improves the properties
of quantum field theory: divergences are removed. How to quantize gravity is
also indicated. When the fundamental length tends to zero the present version
of quantu... | 1994-06-15 | 2007-05-23 | [
"hep-th"
] | G. H. Gadiyar |
hep-th/9406089 | Spinning particles in $2+1$ dimensions | Lagrangian and Hamiltonian formulations of a free spinning particle in
2+1-dimensions or {\it anyon} are established, following closely the analysis
of Hanson and Regge. Two viable (and inequivalent) Lagrangians are derived. It
is also argued that one of them is more favourable. In the Hamiltonian analysis
non-triviaal... | 1994-06-14 | 2011-07-19 | [
"hep-th"
] | Subir Ghosh |
hep-th/9406086 | Symmetry Breaking in the Schr\"odinger Representation for Chern-Simons
Theories | This paper discusses the phenomenon of spontaneous symmetry breaking in the
Schr\"odinger representation formulation of quantum field theory. The analysis
is presented for three-dimensional space-time abelian gauge theories with
either Maxwell, Maxwell-Chern-Simons, or pure Chern-Simons terms as the gauge
field contrib... | 1994-06-14 | 2009-10-28 | [
"hep-th"
] | G. Dunne |
hep-th/9406084 | Deformed Algebras from Inverse Schwinger Method | We consider a problem which may be viewed as an inverse one to the Schwinger
realization of Lie algebra, and suggest a procedure of deforming the
so-obtained algebra. We illustrate the method through a few simple examples
extending Schwinger's $su(1,1)$ construction. As results, various q-deformed
algebras are (re-)pro... | 1994-06-14 | 2009-10-28 | [
"hep-th"
] | K. H. Cho and S. U. Park |
hep-th/9406092 | Gauge Invariance and Second Class Constraints in 3-D Linearized Gravity | A recently introduced approach for the dynamical analysis and quantization of
field theoretical models with second class constraints is ilustrated applied to
linearized gravity in 3-D. The canonical structure of two different models of
linerized gravity in 3-D, the intermediate and the self dual models, is
discussed in... | 1994-06-14 | 2009-10-28 | [
"hep-th"
] | Pio Jose Arias y Jorge Stephany |
hep-th/9406077 | $R$--Matrix Construction of Electromagnetic Models for the Painlev\'e
Transcendents | The Painlev\'e transcendents $P_{\rom{I}}$--$P_{\rom{V}}$ and their
representations as isomonodromic deformation equations are derived as
nonautonomous Hamiltonian systems from the classical $R$--matrix Poisson
bracket structure on the dual space $\wt{\frak{sl}}_R^*(2)$ of the loop algebra
$\wt{\frak{sl}}_R(2)$. The Ha... | 1994-06-14 | 2009-10-28 | [
"hep-th",
"nlin.SI",
"solv-int"
] | J. Harnad and M. Routhier |
hep-th/9406080 | Canonical Coherent States for the Relativistic Harmonic Oscillator | In this paper we construct manifestly covariant relativistic coherent states
on the entire complex plane which reproduce others previously introduced on a
given $SL(2,R)$ representation, once a change of variables $z\in C\rightarrow
z_D \in $ unit disk is performed. We also introduce higher-order, relativistic
creation... | 1994-06-14 | 2009-10-28 | [
"hep-th"
] | V. Aldaya and J. Guerrero |
hep-th/9406090 | Singlet Couplings and (0,2) Models | We use the quantum symmetries present in string compactification on
Landau-Ginzburg orbifolds to prove the existence of a large class of exactly
marginal (0,2) deformations of (2,2) superconformal theories. Analogous methods
apply to the more general (0,2) models introduced in \DK, lending further
credence to the fact ... | 1994-06-14 | 2009-10-07 | [
"hep-th"
] | Jacques Distler and Shamit Kachru |
hep-th/9406078 | Quantum Isomonodromic Deformations and the Knizhnik--Zamolodchikov
Equations | Viewing the Knizhnik--Zamolodchikov equations as multi--time, nonautonomous
Shr\"odinger equations, the transformation to the Heisenberg representation is
shown to yield the quantum Schlesinger equations. These are the quantum form of
the isomonodromic deformations equations for first order operators of the form
$\DD_\... | 1994-06-14 | 2008-02-03 | [
"hep-th",
"math.QA",
"nlin.SI",
"solv-int"
] | John Harnad |
hep-th/9406085 | Entropy, Quantum Decoherence and Pointer States in Scalar ``Parton''
Fields | Entropy arises in strong interactions by a dynamical separation of
``partons'' from unobservable ``environment'' modes due to confinement. For
interacting scalar fields we calculate the statistical entropy of the
observable subsystem. Diagonalizing its functional density matrix yields field
pointer states and their pro... | 1994-06-14 | 2011-08-04 | [
"hep-th",
"gr-qc",
"nucl-th"
] | Hans-Thomas Elze |
hep-th/9406083 | Quantum Mechanics in Grassmann Space, Supersymmetry and Gravity | A particle which lives in a d-dimensional ordinary and a d-dimensional
Grassmann space manifests itself in an ordinary four-dimensional subspace as a
spinor, a scalar or a vector with charges. Operators of the Lorentz
transformations and translations in both spaces form the super- Poincar\' e
algebra. It is the super-P... | 1994-06-14 | 2007-05-23 | [
"hep-th"
] | Norma Manko\v{c} Bor\v{s}tnik |
hep-th/9406088 | Exact, E=0, Classical and Quantum Solutions for General Power-Law
Oscillators | For zero energy, $E=0$, we derive exact, classical and quantum solutions for
{\em all} power-law oscillators with potentials $V(r)=-\gamma/r^\nu$,
$\gamma>0$ and $-\infty <\nu<\infty$. When the angular momentum is non-zero,
these solutions lead to the classical orbits $\r(t)= [\cos \mu
(\th(t)-\th_0(t))]^{1/\mu}$, with... | 1994-06-14 | 2009-09-25 | [
"hep-th"
] | Michael Martin Nieto and Jamil Daboul |
hep-th/9406087 | Some New Solutions of Yang-Baxter Equation | We have found some new solutions of both rational and trigonometric types by
rewriting Yang-Baxter equation as a triple product equation in a vector space
of matrices. | 1994-06-14 | 2009-10-28 | [
"hep-th",
"nlin.SI",
"solv-int"
] | Susumu Okubo |
hep-th/9406081 | Asymptotic Limits and Sum Rules for Gauge Field Propagators | For gauge field propagators, the asymptotic behavior is obtained in all
directions of the complex $k^2$-plane, and for general, linear, covariant
gauges. Asymptotically free theories are considered. Except for coefficients,
the functional form of the leading asymptotic terms is gauge-independent.
Exponents are determin... | 1994-06-14 | 2009-10-28 | [
"hep-th"
] | Reinhard Oehme and Wentao Xu |
hep-th/9406093 | Dual Waves | We study the gravitational waves in the 10-dimensional target space of the
superstring theory. Some of these waves have unbroken supersymmetries. They
consist of Brinkmann metric and of a 2-form field. Sigma-model duality is
applied to such waves. The corresponding solutions we call dual partners of
gravitational waves... | 1994-06-14 | 2007-05-23 | [
"hep-th"
] | Renata Kallosh |
hep-th/9406079 | Higher Order Correction to the GHS String Black Hole | We study the order $\alpha'$ correction to the string black hole found by
Garfinkle, Horowitz, and Strominger. We include all operators of dimension up
to four in the Lagrangian, and use the field redefinition technique which
facilitates the analysis. A mass correction, which is implied by the work of
Giddings, Polchin... | 1994-06-14 | 2014-11-18 | [
"hep-th",
"gr-qc"
] | Makoto Natsuume |
hep-th/9406082 | A New Duality Symmetry in String Theory | We consider the conformal gauging of non-abelian groups. In such cases there
are inequivalent ways of gauging (generalizing the axial and vector cases for
abelian groups) corresponding to external automorphisms of the group. Different
$\s$-models obtained this way correspond to the same conformal field theory. We
use t... | 1994-06-14 | 2009-10-28 | [
"hep-th"
] | E. Kiritsis and N. Obers |
hep-th/9406091 | Quantum Symmetries and Stringy Instantons | The quantum symmetry of many \LG\ orbifolds appears to be broken by
Yang-Mills instantons. However, isolated Yang-Mills instantons are not
solutions of string theory: They must be accompanied by gauge anti-instantons,
gravitational instantons, or topologically non-trivial configurations of the
$H$ field. We check that ... | 1994-06-14 | 2009-10-07 | [
"hep-th"
] | Jacques Distler and Shamit Kachru |
hep-th/9406071 | Chiral fermion action with (8,0) worldsheet supersymmetry | We propose an action describing chiral fermions with an arbitrary gauge group
and with manifest $(8,0)$ worldsheet supersymmetry. The form of the action is
inspired by and adapted for completing the twistor-like formulation of the
$D=10$ heterotic superstring. | 1994-06-13 | 2007-05-23 | [
"hep-th"
] | E. Ivanov and E. Sokatchev |
hep-th/9406070 | Gaussian approximation of the (2+1) dimensional Thirring model in the
functional Schr\"{o}dinger picture | The (2+1)-dimensional Thirring model is studied by using the Gaussian
approximation method in the functional Schr\"odinger picture. Although the
dynamical symmetry breaking does not occur in the large N limit, it does occur
in the Gaussian approximation which includes the higher order contributions in
1/N. | 1994-06-13 | 2009-10-28 | [
"hep-th"
] | S.J. Hyun, G.H. Lee and J.H. Yee |
hep-th/9406074 | Wave Functionals, Hamiltonians and Renormalization Group | We analyze the renormalization of wave functionals and energy eigenvalues in
field theory. A discussion of the structure of the renormalization group
equation for a general Hamiltonian system is also given. | 1994-06-13 | 2015-06-26 | [
"hep-th"
] | D.Minic and V.P.Nair |
hep-th/9406075 | The Strong Perturbation Approach for the Dirac Equation in a Gauge Field | We discuss a possible approach to the problem of a gauge theory with a strong
coupling constant. It is seen that, instead of plane waves, we have to consider
the adiabatic eigenstates of the perturbation in order to get a meaningful
perturbation approach. | 1994-06-13 | 2008-02-03 | [
"hep-th"
] | Marco Frasca |
hep-th/9406073 | Hard Thermal Loops in a Moving Plasma and a Magnetic Mass Term | We consider the hard thermal loops of QCD for a moving quark-gluon plasma.
Generalizing from this we suggest a candidate for the magnetic mass term. This
term may also be useful in understanding the mass gap of three-dimensional
non-Abelian gauge theories. | 1994-06-13 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | V.P.Nair |
hep-th/9406076 | Flat Connections for Characters in Irrational Conformal Field Theory | Following the paradigm on the sphere, we begin the study of irrational
conformal field theory (ICFT) on the torus. In particular, we find that the
affine-Virasoro characters of ICFT satisfy heat-like differential equations
with flat connections. As a first example, we solve the system for the general
$g/h$ coset constr... | 1994-06-13 | 2015-06-26 | [
"hep-th"
] | M.B. Halpern and N. Sochen |
hep-th/9406068 | Equivariant Morse theory and quantum integrability | We investigate an equivariant generalization of Morse theory for a general
class of integrable models. In particular, we derive equivariant versions of
the classical Poincar\'e-Hopf and Gauss-Bonnet-Chern theorems and present the
corresponding path integral generalizations. Our approach is based on
equivariant cohomolo... | 1994-06-13 | 2008-02-03 | [
"hep-th",
"math.DG"
] | A. J. Niemi and K. Palo |
hep-th/9406072 | The W_3 particle | We show that W_3 is the algebra of symmetries of the ``rigid-particle'',
whose action is given by the integrated extrinsic curvature of its world line.
This is easily achived by showing that its equation of motion can be written in
terms of the Boussinesq operator. We also show how to obtain the equations of
motion of ... | 1994-06-13 | 2007-05-23 | [
"hep-th"
] | E. Ramos and J. Roca |
hep-th/9406069 | Taub--NUT Dyons in Heterotic String Theory | Starting with the Taub--NUT solution to Einstein's equations, together with a
constant dilaton, a dyonic Taub--NUT solution of low energy heterotic string
theory with non--trivial dilaton, axion and $U(1)$ gauge fields is constructed
by employing $O(1,1)$ transformations. The electromagnetic dual of this
solution is co... | 1994-06-13 | 2013-11-13 | [
"hep-th",
"gr-qc"
] | Clifford V. Johnson and Robert C. Myers |
hep-th/9406067 | On exact solutions and singularities in string theory | We construct two new classes of exact solutions to string theory which are
not of the standard plane wave or gauged WZW type. Many of these solutions have
curvature singularities. The first class includes the fundamental string
solution, for which the string coupling vanishes near the singularity. This
suggests that th... | 1994-06-11 | 2009-09-17 | [
"hep-th"
] | G.T. Horowitz and A.A. Tseytlin |
hep-th/9406064 | Elements of Finite Order in Lie Groups and Discrete Gauge Symmetries | We apply Kac's theory of elements of finite order (EFO) in
Lie groups to the description of discrete gauge symmetries in various
supersymmetric grand unified models. Taking into account the discrete anomaly
cancellation conditions, we identify the EFO which generate certain matter
parities in the context of the super... | 1994-06-10 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | Marc de Montigny |
hep-th/9406066 | Algebraic structure of the Green's ansatz and its q-deformed analogue | The algebraic structure of the Green's ansatz is analyzed in such a way that
its generalization to the case of q-deformed para-Bose and para-Fermi operators
is becoming evident. To this end the underlying Lie (super)algebraic properties
of the parastatistics are essentially used. | 1994-06-10 | 2009-10-28 | [
"hep-th"
] | T. D. Palev |
hep-th/9406062 | The Nonlinear Multiplet Revisited | Using a reformulation of the nonlinear multiplet as a gauge multiplet, we
discuss its dynamics. We show that the nonlinear ``duality'' that appears to
relate the model to a conventional $\sigma$-model introduces a new sector into
the theory. | 1994-06-10 | 2009-10-28 | [
"hep-th"
] | Byungbae Kim, Ulf Lindstr\"om, and Martin Ro\v{c}ek |
hep-th/9406063 | Complex Structures, Duality, and WZW-Models in Extended Superspace | We find the complex structure on the dual of a complex target space. For
$N=(2,2)$ systems, we prove that the space orthogonal to the kernel of the
commutator of the left and right complex structures is {\em always} integrable,
and hence the kernel is parametrized by chiral and twisted chiral superfield
coordinates. We... | 1994-06-10 | 2009-10-28 | [
"hep-th"
] | Ivan T. Ivanov, Byungbae Kim, and Martin Rocek |
hep-th/9406059 | Supersymmetry and Stationary Solutions in Dilaton-Axion Gravity | New stationary solutions of $4$-dimensional dilaton-axion gravity are
presented, which correspond to the charged Taub-NUT and Israel-Wilson-Perjes
(IWP) solutions of Einstein-Maxwell theory. The charged axion-dilaton Taub-NUT
solutions are shown to have a number of interesting properties: i) manifest
$SL(2,R)$ symmetry... | 1994-06-10 | 2010-11-01 | [
"hep-th",
"gr-qc"
] | Renata Kallosh, David Kastor, Tomas Ortin and Tibor Torma |
hep-th/9406065 | Invariants of 3-Manifolds Derived From Finite Dimensional Hopf Algebras | This paper studies invariants of 3-manifolds derived from certain fin ite
dimensional Hopf algebras. The invariants are based on right integrals for
these algebras. It is shown that the resulting class of invariants is distinct
from the class of Witten-Reshetikhin-Turaev invariants. | 1994-06-10 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Louis H. Kauffman and David E. Radford (UI Chicago) |
hep-th/9406061 | Symplectic geometry and Hamiltonian flow of the renormalisation group
equation | It is argued that renormalisation group flow can be interpreted as being a
Hamiltonian vector flow on a phase space which consists of the couplings of the
theory and their conjugate \lq\lq momenta", which are the vacuum expectation
values of the corresponding composite operators. The Hamiltonian is linear in
the conjug... | 1994-06-10 | 2011-08-17 | [
"hep-th",
"cond-mat",
"math.SG"
] | Brian P. Dolan |
hep-th/9406056 | $(1,q=-1)$ Model as a Topological Description of $2d$ String Theory | We study the $(1,q=-1)$ model coupled to topological gravity as a candidate
to describing $2d$ string theory at the self-dual radius. We define the model
by analytical continuation of $q>1$ topological recursion relations to $q=-1$.
We show that at genus zero the $q=-1$ recursion relations yield the
$W_{1+\infty}$ Ward... | 1994-06-09 | 2009-09-29 | [
"hep-th"
] | Yoav Lavi, Yaron Oz and Jacob Sonnenschein |
hep-th/9406054 | The Extended Supersymmetrization of the Nonlinear Schrodinger Equation | We present the new extended supersymmetrization of the
Nonlinear Schrodinger Equation by introducing two superbosons fields with the
different gradation. Our model is different from this considered by Toppan and
in the reduced case (nonextended supersymmetry) is also different from this
considered by Kulish and Roelo... | 1994-06-09 | 2015-06-26 | [
"hep-th"
] | Ziemowit Popowicz (Institute of Theoretical Physics, University of
Wroclaw pl. M. Borna 9, 50-205 Wroclaw Poland) |
hep-th/9406060 | Asymptotic Solutions to the Quantized Knizhnik-Zamolodchikov Equation
and Bethe Vectors | Asymptotic solutions to the quantized Knizhnik-Zamolodchikov equation
associated with $\frak{gl}_{N+1}$ are constructed. The leading term of an
asymptotic solution is the Bethe vector -- an eigenvector of the
transfer-matrix of a quantum spin chain model. We show that the norm of the
Bethe vector is equal to the produc... | 1994-06-09 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Vitaly Tarasov, Alexander Varchenko |
hep-th/9406050 | Matrix Cartan superdomains, super Toeplitz operators, and quantization | We present a general theory of non-perturbative quantization of a class of
hermitian symmetric supermanifolds. The quantization scheme is based on the
notion of a super Toeplitz operator on a suitable Z_2 -graded Hilbert space of
superholomorphic functions. The quantized supermanifold arises as the C^*
-algebra generat... | 1994-06-09 | 2009-09-25 | [
"hep-th"
] | D. Borthwick, S. Klimek, A. Lesniewski, and M. Rinaldi |
hep-th/9406057 | Geometric quantization on homogeneous spaces and the meaning of
`inequivalent' quantizations | Consideration of the geometric quantization of the phase space of a particle
in an external Yang-Mills field allows the results of the Mackey-Isham
quantization procedure for homogeneous configuration spaces to be
reinterpreted. In particular, a clear physical interpretation of the
`inequivalent' quantizations occurrin... | 1994-06-09 | 2009-10-28 | [
"hep-th",
"gr-qc",
"math.QA"
] | M. A. Robson |
hep-th/9406053 | Cosmological and Wormhole Solutions in Low-Energy Effective String
Theory | We derive and study a class of cosmological and wormhole solutions of
low-energy effective string field theory. We consider a general
four-dimensional string effective action where moduli of the compactified
manifold and the electromagnetic field are present. The cosmological solutions
of the two-dimensional effective ... | 1994-06-09 | 2016-09-06 | [
"hep-th",
"gr-qc"
] | Mariano Cadoni and Marco Cavaglia |
hep-th/9406040 | Multi-particle Correlations in Quaternionic Quantum Systems | We investigate the outcomes of measurements on correlated, few-body quantum
systems described by a quaternionic quantum mechanics that allows for regions
of quaternionic curvature. We find that a multi-particle interferometry
experiment using a correlated system of four nonrelativistic, spin-half
particles has the pote... | 1994-06-09 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | S.P.Brumby, G.C.Joshi, and Ronald Anderson |
hep-th/9406051 | Supersymmetry and Fredholm modules over quantized spaces | The purpose of this paper is to apply the framework of non- commutative
differential geometry to quantum deformations of a class of Kahler manifolds.
For the examples of the Cartan domains of type I and flat space, we construct
Fredholm modules over the quantized manifolds using the supercharges which
arise in the quan... | 1994-06-09 | 2010-11-01 | [
"hep-th"
] | D. Borthwick, S. Klimek, A. Lesniewski, and M. Rinaldi |
hep-th/9406055 | Mirror Symmetry, Mirror Map and Applications to Complete Intersection
Calabi-Yau Spaces | We extend the discussion of mirror symmetry, Picard-Fuchs equations,
instanton-corrected Yukawa couplings, and the topological one-loop partition
function to the case of complete intersections with higher-dimensional moduli
spaces. We will develop a new method of obtaining the instanton-corrected
Yukawa couplings throu... | 1994-06-09 | 2009-10-28 | [
"hep-th",
"math.QA"
] | S. Hosono, A. Klemm, S. Theisen and Shing-Tung Yau |
hep-th/9406058 | Maintaining coherence in Quantum Computers | The effect of the inevitable coupling to external degrees of freedom of a
quantum computer are examined. It is found that for quantum calculations (in
which the maintenance of coherence over a large number of states is important),
not only must the coupling be small but the time taken in the quantum
calculation must be... | 1994-06-09 | 2009-10-28 | [
"hep-th",
"gr-qc",
"quant-ph"
] | W. G. Unruh |
hep-th/9406052 | Superspace formulation of the Chern character of a theta-summable
Fredholm module | We apply the concepts of superanalysis to present an intrinsically
supersymmetric formulation of the Chern character in entire cyclic cohomology.
We show that the cocycle condition is closely related to the invariance under
supertranslations. Using the formalism of superfields, we find a path integral
representation of... | 1994-06-09 | 2009-10-28 | [
"hep-th"
] | A. Lesniewski and K. Osterwalder |
hep-th/9406047 | A new algebraic approach for calculating the heat kernel in quantum
gravity | It is shown that the heat kernel operator for the Laplace operator on any
covariantly constant curved background, i.e. in symmetric spaces, may be
presented in form of an averaging over the Lie group of isometries with some
nontrivial measure. Using this representation the heat kernel diagonal, i.e.
the heat kernel in ... | 1994-06-08 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | Ivan G. Avramidi (University of Greifswald) |
hep-th/9406045 | On the Elliptic Genus and Mirror Symmetry | The elliptic genus for arbitrary two dimensional $N=2$ Landau-Ginzburg
orbifolds is computed. This is used to search for possible mirror pairs of such
models. An important aspect of this work is that there is no restriction to
theories for which the conformal anomaly is $\hat c\in\ZZ$, nor are the results
only valid at... | 1994-06-08 | 2007-05-23 | [
"hep-th"
] | P. Berglund and M. Henningson |
hep-th/9406039 | Axial Anomaly in the Presence of the Aharonov-Bohm Gauge Field | We investigate on the plane the axial anomaly for euclidean Dirac fermions in
the presence of a background Aharonov--Bohm gauge potential. The non
perturbative analysis depends on the self--adjoint extensions of the Dirac
operator and the result is shown to be influenced by the actual way of
understanding the local axi... | 1994-06-08 | 2009-10-28 | [
"hep-th"
] | P. Giacconi, S. Ouvry and R. Soldati |
hep-th/9406042 | CQG algebras: a direct algebraic approach to compact quantum groups | The purely algebraic notion of CQG algebra (algebra of functions on a compact
quantum group) is defined. In a straightforward algebraic manner, the
Peter-Weyl theorem for CQG algebras and the existence of a unique positive
definite Haar functional on any CQG algebra are established. It is shown that a
CQG algebra can b... | 1994-06-08 | 2009-10-28 | [
"hep-th"
] | Mathijs S. Dijkhuizen and Tom H. Koornwinder |
hep-th/9406049 | Self-DUal SU(3) Chern-Simons Higgs Systems | We explore self-dual Chern-Simons Higgs systems with the local $SU(3)$ and
global $U(1)$ symmetries where the matter field lies in the adjoint
representation. We show that there are three degenerate vacua of different
symmetries and study the unbroken symmetry and particle spectrum in each
vacuum. We classify the self-... | 1994-06-08 | 2011-07-19 | [
"hep-th"
] | Hsien-Chung Kao and Kimyeong Lee |
hep-th/9406043 | A Fresh Look at Generalized Veneziano Amplitudes | The dual resonance model, which was a precursor of string theory was based
upon the idea that two-particle scattering amplitudes should be expressible
equivalently as a sum of contributions of an infinite number of $s$ channel
poles each corresponding to a finite number of particles with definite spin, or
as a similar ... | 1994-06-08 | 2009-10-28 | [
"hep-th"
] | D.B. Fairlie and J.Nuyts |
hep-th/9406037 | Quantum Vacuum and Anomalies | Chiral, conformal and ghost number anomalies are discussed from the viewpoint
of the quantum vacuum in Hamiltonian formalism. After introducing the energy
cut-off, we derive known anomalies in a new way. We show that the physical
origin of the anomalies is the zero point fluctuation of bosonic or fermionic
field. We fi... | 1994-06-08 | 2015-06-26 | [
"hep-th"
] | Noriyuki Fumita |
hep-th/9406044 | On Certain Quantum Deformations of $gl(N,R)$ | In this paper all deformations of the general linear group, subject to
certain restrictions which in particular ensure a smooth passage to the Lie
group limit, are obtained. Representations are given in terms of certains sets
of creation and annihilation operators. These creation and annihilation
operators may belong t... | 1994-06-08 | 2009-10-28 | [
"hep-th",
"math.QA"
] | D. B. Fairlie and J. Nuyts |
hep-th/9406041 | Geometric Quantization of the Phase Space of a Particle in a Yang-Mills
Field | The method of geometric quantization is applied to a particle moving on an
arbitrary Riemannian manifold $Q$ in an external gauge field, that is a
connection on a principal $H$-bundle $N$ over $Q$. The phase space of the
particle is a Marsden-Weinstein reduction of $T^*N$, hence this space can also
be considered to be ... | 1994-06-08 | 2015-06-26 | [
"hep-th",
"gr-qc"
] | M.A. Robson |
hep-th/9406046 | Effective hamiltonians for 1/N expansion in two-dimensional QCD | We discuss the general structure of effective hamiltonians for systematic 1/N
expansion in QCD using the light-cone quantization. These are second-quantized
hamiltonians acting on the Fock space of mesons and glueballs defined by the
solution of the $N=\infty$ problem. In the two-dimensional case we find only
cubic and... | 1994-06-08 | 2009-10-28 | [
"hep-th"
] | J. L. F. Barb\'on and Kre\v{s}imir Demeterfi |
hep-th/9406048 | Casimir effect for a $D$-dimensional sphere | The Casimir force on a $D$-dimensional sphere due to the confinement of a
massless scalar field is computed as a function of $D$, where $D$ is a
continuous variable that ranges from $-\infty$ to $\infty$. The dependence of
the force on the dimension is obtained using a simple and straightforward
Green's function techni... | 1994-06-08 | 2009-10-28 | [
"hep-th"
] | Carl M. Bender and Kimball A. Milton |
hep-th/9406038 | Topological Invariance at Finite Temperature | We examine the thermal behavior of a theory with charged massive vector
matter coupled to Chern-Simons gauge field. We obtain a critical temperature
Tc, at which the effective mass of vector field vanishes, and the system
transfers from a symmetry broken phase to topological phase. The phase
transition is suggested to ... | 1994-06-08 | 2007-05-23 | [
"hep-th",
"gr-qc"
] | Wei Chen (Univ of North Carolina, Chapel Hill) |
hep-th/9406034 | Shift versus no-shift in local regularizations of Chern-Simons theory | We consider a family of local BRS-invariant higher covariant derivative
regularizations of $SU(N)$ Chern-Simons theory that do not shift the value of
the Chern-Simons parameter $k$ to $k+\,{\rm sign}(k)\,\cv$ at one loop. | 1994-06-07 | 2009-10-28 | [
"hep-th"
] | G. Giavarini, C.P. Martin and F. Ruiz Ruiz |
hep-th/9406035 | Geometrical Expression for Short-Distance Singularities in Field Theory | We consider the linear space of composite fields as an infinite dimensional
vector bundle over the theory space whose coordinates are simply the parameters
of a renormalized field theory. We discuss a geometrical expression for the
short distance singularities of the composite fields in terms of beta
functions, anomalo... | 1994-06-07 | 2007-05-23 | [
"hep-th"
] | Hidenori Sonoda |
hep-th/9406036 | Legendrian Distributions with Applications to Poincar\'e Series | Let $X$ be a compact Kahler manifold and $L\to X$ a quantizing holomorphic
Hermitian line bundle. To immersed Lagrangian submanifolds $\Lambda$ of $X$
satisfying a Bohr-Sommerfeld condition we associate sequences $\{ |\Lambda,
k\rangle \}_{k=1}^\infty$, where $\forall k$ $|\Lambda, k\rangle$ is a
holomorphic section of... | 1994-06-07 | 2009-10-28 | [
"hep-th"
] | D. Borthwick, T. Paul and A. Uribe |
hep-th/9406033 | Parity Violation in the Three Dimensional Thirring Model | We discuss parity violation in the 3-dimensional (N flavour) Thirring model.
We find that the ground state fermion current in a background gauge field does
not posses a well defined parity transformation. We also investigate the
connection between parity violation and fermion mass generation, proving that
radiative cor... | 1994-06-06 | 2009-10-28 | [
"hep-th"
] | G.L.Rossini and F.A.Schaposnik |
hep-th/9406030 | B.R.S. renormalisation of some on-shell closed algebras of symmetry
transformations : the example of supersymmetric non-linear sigma models : the
N=1 case | In order to study in a regularisation free manner the renormalisability of
d=2 supersymmetric non-linear $\si$ models, one has to use the algebraic BRS
methods ; moreover, in the absence of an off-shell formulation, one has often
to deal with open algebras. We then recall in a pedagogical and non technical
manner the s... | 1994-06-06 | 2007-05-23 | [
"hep-th"
] | Guy Bonneau |
hep-th/9406029 | Back Reaction of Strings in Self-Consistent String Cosmology | We compute the string energy-momentum tensor and {\bf derive} the string
equation of state from exact string dynamics in cosmological spacetimes.
$1+1,~2+1$ and $D$-dimensional universes are treated for any expansion factor
$R$. Strings obey the perfect fluid relation $ p = (\gamma -1) \rho $ with
three different behav... | 1994-06-06 | 2009-10-28 | [
"hep-th",
"astro-ph",
"gr-qc",
"hep-ph"
] | H.J.de Vega and N. S\'anchez |
hep-th/9406031 | B.R.S. renormalisation of some on-shell closed algebras of symmetry
transformations : N=2 and 4 supersymmetric non-linear sigma models | We analyse with the algebraic, regularisation independant, cohomological
B.R.S. methods, the renormalisability of torsionless N=2 and N= 4
supersymmetric non-linear $\si$ models built on K\"ahler spaces. Surprisingly
enough with respect to the common wisdom, in the case of N=2 supersymmetry, we
obtain an anomaly candid... | 1994-06-06 | 2014-11-18 | [
"hep-th"
] | Guy Bonneau |
hep-th/9406028 | Tachyon Effects on the 2-Dim Black Hole Geometry | We study solutions of the tree level string effective action in the presence
of the tachyon mode.We find that the 2-dim. static black hole is stable against
tachyonic perturbations.For a particular ansatz for the tachyon field we find
an exact solution of the equations of motion which exhibits a naked
singularity.In th... | 1994-06-06 | 2019-08-17 | [
"hep-th"
] | G.A. Diamandis, B.C. Georgalas and E. Papantonopoulos |
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