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/9307150 | Metric On Quantum Spaes | We introduce the analogue of the metric tensor in case of $q$-deformed
differential calculus. We analyse the consequences of the existence of such
metric, showing that this enforces severe restrictions on the parameters of the
theory. We discuss in detail the examples of the Manin plane and the
$q$-deformation of $SU(2... | 1993-07-25 | 2009-10-22 | [
"hep-th"
] | Andrzej Sitarz |
hep-th/9307152 | Discrete Gauge Anomalies in String Theory | The original version of this paper contains an error; when this is corrected
the basic conclusion changes. A revised manuscript will be submitted shortly. | 1993-07-25 | 2008-02-03 | [
"hep-th",
"hep-ph"
] | M. Dine, R. G. Leigh and D.A. MacIntire |
hep-th/9307151 | Duality Group for Calabi-Yau 2-Moduli Space | We present an efficient method for computing the duality group $\Gamma$ of
the moduli space \cM for strings compactified on a Calabi-Yau manifold
described by a two-moduli deformation of the quintic polynomial immersed in
$\CP(4)$, $\cW={1\over5}(\iy_1^5+\cdots+\iy_5^5)-a\,\iy_4^3 \iy_5^2 -b\,
\iy_4^2 \iy_5^3$. We show... | 1993-07-25 | 2010-11-01 | [
"hep-th"
] | A. Ceresole, R. D'Auria and T. Regge |
hep-th/9307148 | Wilson loops in four-dimensional quantum gravity | A Wilson loop is defined, in 4-D pure Einstein gravity, as the trace of the
holonomy of the Christoffel connection or of the spin connection, and its
invariance under the symmetry transformations of the action is showed
(diffeomorphisms and local Lorentz transformations). We then compute the loop
perturbatively, both o... | 1993-07-24 | 2009-10-22 | [
"hep-th"
] | Giovanni Modanese (Center for Theoretical Physics, M.I.T., Cambridge
02139, MA U.S.A.) |
hep-th/9307147 | Toda and Volterra Lattice Equations from Discrete Symmetries of KP
Hierarchies | The discrete models of the Toda and Volterra chains are being constructed out
of the continuum two-boson KP hierarchies. The main tool is the discrete
symmetry preserving the Hamiltonian structure of the continuum models. The
two-boson currents of KP hierarchy are being associated with sites of the
corresponding chain ... | 1993-07-24 | 2009-10-22 | [
"hep-th",
"nlin.SI",
"solv-int"
] | H. Aratyn, L.A. Ferreira, J.F. Gomes and A.H. Zimerman |
hep-th/9307146 | $k^+=0$ Modes in Light-Cone Quantization | We investigate the light-cone quantization of $\phi^3$ theory in 1+1
dimensions with a regularization of discretized light-cone momentum $k^+$.
Solving a second-class constraint associated with the $k^+=0$ mode, we show
that the $k^+=0$ mode propagates along the internal lines of Feynman diagrams
in any order of pertur... | 1993-07-24 | 2009-10-22 | [
"hep-th"
] | Masahiro MAENO |
hep-th/9307139 | Vortices on Higher Genus Surfaces | We consider the topological interactions of vortices on general surfaces. If
the genus of the surface is greater than zero, the handles can carry magnetic
flux. The classical state of the vortices and the handles can be described by a
mapping from the fundamental group to the unbroken gauge group. The allowed
configura... | 1993-07-23 | 2009-10-22 | [
"hep-th"
] | Kai-Ming Lee |
hep-th/9307144 | On the Probability Distribution of Velocity Circulation in
Three-Dimensional Turbulence | The probability distribution functions of the circulation of velocity in
three-dimensional decaying isotropic turbulence are examined by the database of
the numerical simulation based on the pseudospectral method. It is shown that
the standard deviation increases nearly as $A^{2/3}$ where $A$ is the area of
the loop. T... | 1993-07-23 | 2009-10-22 | [
"hep-th"
] | Makoto Umeki |
hep-th/9307145 | ADE string vacua with discrete torsion | We complete the classification of (2,2) string vacua that can be constructed
by diagonal twists of tensor products of minimal models with ADE invariants.
Using the \LG\ framework, we compute all spectra from inequivalent models of
this type. The completeness of our results is only possible by systematically
avoiding th... | 1993-07-23 | 2009-10-22 | [
"hep-th"
] | M. Kreuzer and H. Skarke |
hep-th/9307142 | Complexification of Gauge Theories | For the case of a first-class constrained system with an equivariant momentum
map, we study the conditions under which the double process of reducing to the
constraint surface and dividing out by the group of gauge transformations $G$
is equivalent to the single process of dividing out the initial phase space by
the co... | 1993-07-22 | 2015-06-26 | [
"hep-th",
"gr-qc"
] | R. Loll, J.M. Mour\~ao and J.N. Tavares |
hep-th/9307141 | Off-Critical Lattice Analogues of $N=2$ Supersymmetric Quantum
Integrable Models | We obtain off-critical (elliptic) Boltzmann weights for lattice models whose
continuum limits correspond to massive, $N=2$ supersymmetric, quantum
integrable field theories. We also compute the free energies of these models
and show that they are analytic in the region of parameter space where we
believe that the super... | 1993-07-22 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | D. Nemeschansky and N.P. Warner |
hep-th/9307138 | A Coherent Understanding of Solvable Models for Quantum Measurement
Processes | By making use of Schwinger's oscillator model of angular momentum, we put
forward an interesting connection among three solvable Hamiltonians, widely
used for discussions on the quantum measurement problem. This connection
implies that a particular macroscopic limit has to be taken for these models to
be physically sen... | 1993-07-22 | 2009-10-22 | [
"hep-th"
] | Hiromichi Nakazato and Saverio Pascazio |
hep-th/9307143 | A theory of quantum black holes: non-perturbative corrections and
no-veil conjecture | A common belief is that further quantum corrections near the singularity of a
large black hole should not substantially modify the semiclassical picture of
black hole evaporation; in particular, the outgoing spectrum of radiation
should be very close to the thermal spectrum predicted by Hawking. In this
paper we explor... | 1993-07-22 | 2010-11-01 | [
"hep-th",
"gr-qc"
] | J.G. Russo |
hep-th/9307137 | Scattering of string-waves on black hole background | We consider the propagation of perturbations along an infinitely long
stationary open string in the background of a Schwarzschild black hole. The
equations of motion for the perturbations in the 2 transverse physical
directions are solved to second order in a weak field expansion. We then set up
a scattering formalism ... | 1993-07-22 | 2009-10-22 | [
"hep-th"
] | A.L. Larsen |
hep-th/9307136 | Hamiltonian Formulation of the Smooth Bosonization and Local Gauge
Symmetry of the Massless Thirring Model | Using the hamiltonian formalism, we investigate the smooth bosonization
method in which bosonization and fermionization are carried out through a
specific gauge-fixing of an enlarged gauge invariant theory. The generator of
the local gauge symmetry, which cannot be derived from the lagrangian of the
enlarged theory, is... | 1993-07-22 | 2009-10-22 | [
"hep-th"
] | Tamio Ikehashi |
hep-th/9307140 | On the Passage from the Quantum theory to the Semi-Classical theory | In this paper an attempt is made to understand the passage from the exact
quantum treatment of the CGHS theory to the semi-classical physics discussed by
many authors. We find first that to the order of accuracy to which Hawking
effects are calculated in the theory, it is inconsistent to ignore correlations
in the dila... | 1993-07-22 | 2010-11-01 | [
"hep-th",
"gr-qc"
] | S. P. de Alwis |
hep-th/9307132 | Large-N Collective Field Theory Applied to Anyons in Magnetic Fields | We present a large-$N$ collective field formalism for anyons in external
magnetic fields interacting with arbitrary two-body potential. We discuss how
the Landau level is reproduced in our framework. We apply it to the soluble
model for anyons proposed by Girvin et al., and obtain the dispersion relation
of collective ... | 1993-07-21 | 2015-06-26 | [
"hep-th"
] | H. Hiro-Oka and H. Minakata |
hep-th/9307134 | Optimal Photon Localization | We show that there is only one operator having some minimal properties
enabling it to be a one photon position operator. These proerties are stated,
and the solution is shown to be the photon position operator proposed by Pryce.
This operator has non-commuting components. Nevertheless, it is shown that one
can find sta... | 1993-07-21 | 2009-10-22 | [
"hep-th"
] | J. Mourad |
hep-th/9307133 | Quantization of Bogomol'nyi soliton dynamics | We approximate analytically the semi-classical differential cross-section for
low-energy solitonic BPS SU(2) magnetic monopoles using the geodesic
approximation. The semi-classical scattering amplitude, f(\theta), can be
expressed as a conditionally convergent infinite series which is made
absolutely convergent by anal... | 1993-07-21 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | M. Temple-Raston |
hep-th/9307135 | The Wigner-Weyl formalism and the semi-classical relativistic
approximation | The relativistic semi-classical approximation for a free massive particle is
studied using the Wigner-Weyl formalism. A non-covariant Wigner function is
proposed using the Newton-Wigner position operator. The perturbative solution
for the time evolution is found. Causality is found to be perturbatively
respected. | 1993-07-21 | 2007-05-23 | [
"hep-th"
] | J. Mourad |
hep-th/9307130 | Quantum R-matrix and Intertwiners for the Kashiwara Algebra | We study the algebra $B_q(\ge)$ presented by Kashiwara and introduce
intertwiners similar to $q$-vertex operators. We show that a matrix determined
by 2-point functions of the intertwiners coincides with a quantum R-matrix (up
to a diagonal matrix) and give the commutation relations of the intertwiners.
We also introdu... | 1993-07-21 | 2009-10-22 | [
"hep-th",
"math.QA"
] | Toshiki Nakashima |
hep-th/9307131 | On the stability of renormalizable expansions in three-dimensional
gravity | Preliminary investigations are made for the stability of the $1/N$ expansion
in three-dimensional gravity coupled to various matter fields, which are
power-counting renormalizable. For unitary matters, a tachyonic pole appears in
the spin-2 part of the leading graviton propagator, which implies the unstable
flat space-... | 1993-07-21 | 2009-10-22 | [
"hep-th"
] | Shun'ya Mizoguchi and Hisashi Yamamoto |
hep-th/9307129 | Correlation functions of the spin-1 analog of the XXZ model | Exact integral representations of spin one-point functions (ground state
expectation values) are reported for the spin-1 analog of the XXZ model in the
region $-1<q<0$. The method enables one to calculate arbitrary $n$-point
functions in principle. We also report a construction of level 2 irreducible
highest weight rep... | 1993-07-20 | 2008-02-03 | [
"hep-th",
"nlin.SI",
"solv-int"
] | Makoto Idzumi |
hep-th/9307127 | Lattice $W$ algebras and quantum groups | We represent Feigin's construction [22] of lattice W algebras and give some
simple results: lattice Virasoro and $W_3$ algebras. For simplest case
$g=sl(2)$ we introduce whole $U_q(sl(2))$ quantum group on this lattice. We
find simplest two-dimensional module as well as exchange relations and define
lattice Virasoro al... | 1993-07-20 | 2009-10-22 | [
"hep-th",
"math.QA"
] | Ya. P. Pugay |
hep-th/9307126 | Regularization and the BV Formalism | We summarize the application of the field--antifield formalism to the
quantization of gauge field theories. After the gauge fixing, the main issues
are the regularization and anomalies. We illustrate this for chiral $W_3$
gravity. We discuss also gauge theories with a non-local action, induced by a
matter system with a... | 1993-07-20 | 2007-05-23 | [
"hep-th"
] | Walter Troost and Antoine Van Proeyen |
hep-th/9307128 | A Perturbative Improvement of the Hierarchical Approximation | We propose a perturbative improvement of the hierarchical approximation for
gaussian models. The procedure is based on a relabeling of the momenta which
allows one to express the symmetries of the hierarchical model using a simple
multiplication group. The representations of this group are used to expand the
action. Th... | 1993-07-20 | 2007-05-23 | [
"hep-th",
"hep-lat"
] | Yannick Meurice |
hep-th/9307125 | Ising (anti-)ferromagnet on dynamical triangulations and
quadrangulations | We write down matrix models for Ising spins with zero external field on the
vertices of dynamical triangulated random surfaces (DTRS) and dynamically
quadrangulated random surfaces (DQRS) and compare these with the standard
matrix model approach which places the spins on the dual $\phi^3$ and $\phi^4$
graphs. We show t... | 1993-07-20 | 2016-09-06 | [
"hep-th"
] | D. Johnston |
hep-th/9307117 | Canonical Quantisation in n.A=0 gauges | We give a unified derivation of the propagator in the gauges $n.A=0$ for
$n^2$ timelike, spacelike or lightlike. We discuss the physical states and
other physical questions. | 1993-07-19 | 2009-10-22 | [
"hep-th",
"hep-ph"
] | P V Landshoff and P van Nieuwenhuizen |
hep-th/9307116 | Nonlinear Renormalization Group Equation for Matrix Models | An exact renormalization group equation is derived for the free energy of
matrix models. The renormalization group equation turns out to be nonlinear for
matrix models, as opposed to linear for vector models. An algorithm for
determining the critical coupling constant and the critical exponent is
obtained. As concrete ... | 1993-07-19 | 2009-10-22 | [
"hep-th"
] | Saburo Higuchi, Chigak Itoi, Shinsuke Nishigaki and Norisuke Sakai |
hep-th/9307118 | Majorana-Like (j,0)+(0,j) Representation Spaces: Construction and
Physical Interpretation | We present a formalism that extends the Majorana-construction to arbitrary
spin (j,0)+(0,j) representation spaces. For the example case of spin-1, a wave
equation satisfied by the Majorana-like (1,0)+(0,1) spinors is constructed and
its physical content explored. The (j,0)+(0,j) Majorana-construct is found to
possess a... | 1993-07-19 | 2009-09-25 | [
"hep-th",
"hep-ph"
] | D.V. Ahluwalia, T. Goldman and M.B. Johnson |
hep-th/9307120 | Critical behavior of target space mean field theory | Recently, the free energy of the target space mean field (TSMF) matrix model
has been calculated in the low temperature phase, order-by-order in a low
temperature expansion. The TSMF model is a matrix model whose discrete target
space has an infinite coordination number, and whose free energy assumes a
universal form, ... | 1993-07-19 | 2009-10-22 | [
"hep-th",
"hep-lat"
] | Mark Wexler |
hep-th/9307115 | Topological String, Matrix Integral, and Singularity Theory | We study the relation between topological string theory and singularity
theory using the partition function of $A_{N-1}$ topological string defined by
matrix integral of Kontsevich type. Genus expansion of the free energy is
considered, and the genus $g=0$ contribution is shown to be described by a
special solution of ... | 1993-07-19 | 2009-10-22 | [
"hep-th"
] | T. Nakatsu, A. Kato, M. Noumi and T. Takebe |
hep-th/9307114 | On operad structures of moduli spaces and string theory | Recent algebraic structures of string theory, including homotopy Lie
algebras, gravity algebras and Batalin-Vilkovisky algebras, are deduced from
the topology of the moduli spaces of punctured Riemann spheres. The principal
reason for these structures to appear is as simple as the following. A
conformal field theory is... | 1993-07-19 | 2009-10-22 | [
"hep-th",
"alg-geom",
"math.AG"
] | T. Kimura, J. Stasheff, and A. A. Voronov |
hep-th/9307124 | N-point Correlation Functions of the Spin-1 XXZ Model | We extend the recent approach of M. Jimbo, K. Miki, T. Miwa, and A.
Nakayashiki to derive an integral formula for the N-point correlation functions
of arbitrary local operators of the antiferromagnetic spin-1 XXZ model. For
this, we realize the quantum affine symmetry algebra $U_q(su(2)_2)$ of level 2
and its correspon... | 1993-07-19 | 2009-10-22 | [
"hep-th",
"cond-mat",
"nlin.SI",
"solv-int"
] | A. H. Bougourzi and Robert A. Weston |
hep-th/9307121 | Does String Theory Have a Duality Symmetry Relating Weak and Strong
Coupling? | The heterotic string theory, compactified to four dimensions, has been
conjectured to have a duality symmetry (S duality) that transforms the dilaton
nonlinearly. If valid, this symmetry could provide an important means of
obtaining information about nonperturbative features of the theory. Even though
it is inherently ... | 1993-07-19 | 2007-05-23 | [
"hep-th"
] | John Schwarz |
hep-th/9307123 | Charged string solutions with dilaton and modulus fields | We find charged, abelian, spherically symmetric solutions (in flat
space-time) corresponding to the effective action of $D=4$ heterotic string
theory with scale-dependent dilaton $\p$ and modulus $\vp$ fields. We take into
account perturbative (genus-one), moduli-dependent `threshold' corrections to
the coupling functi... | 1993-07-19 | 2009-09-17 | [
"hep-th"
] | M. Cvetic and A.A.Tseytlin |
hep-th/9307112 | Towards a Canonical Formalism of Field Theory on Discrete Spacetime | It is shown that the difficulties in formulating the quantum field theory on
discrete spacetime appear already in classical dynamics of one degree of
freedom on discrete time. The difference equation of motion which maintains a
conserved quantity like energy has a very restricted form that is not probably
derived by th... | 1993-07-19 | 2007-05-23 | [
"hep-th"
] | Hiroshi Yamamoto, Akihisa Hayashi, Takaaki Hashimoto and Minoru Horibe |
hep-th/9307119 | The Hamiltonian Structures of the super KP hierarchy Associated with an
Even Parity SuperLax Operator | We consider the even parity superLax operator for the supersymmetric KP
hierarchy of the form $L~=~D^2 + \sum_{i=0}^\infty u_{i-2} D^{-i+1}$ and obtain
the two Hamiltonian structures following the standard method of Gelfand and
Dikii. We observe that the first Hamiltonian structure is local and linear
whereas the secon... | 1993-07-19 | 2009-10-22 | [
"hep-th"
] | J. Barcelos-Neto, Sasanka Ghosh and Shibaji Roy |
hep-th/9307113 | Scattering From a Two Dimensional Array of Flux Tubes: A Study of The
Validity of Mean Field Theory | Mean Field Theory has been extensively used in the study of systems of anyons
in two spatial dimensions. In this paper we study the physical grounds for the
validity of this approximation by considering the Quantum Mechanical scattering
of a charged particle from a two dimensional array of magnetic flux tubes. The
flux... | 1993-07-19 | 2009-10-22 | [
"hep-th",
"cond-mat",
"hep-ph"
] | Ken Kiers and Nathan Weiss |
hep-th/9307122 | Dirichlet Strings | Strings propagating along surfaces with Dirichlet boundaries are studied in
this paper. Such strings were originally proposed as a possible candidate for
the QCD string. Our approach is different from previous ones and is simple and
general enough, with which basic problems can be easily addressed. The Green
function o... | 1993-07-19 | 2016-09-06 | [
"hep-th"
] | Miao Li |
hep-th/9307111 | $1+1$-Dimensional Large $N$ QCD coupled to Adjoint Fermions | We consider 1+1-dimensional QCD coupled to Majorana fermions in the adjoint
representation of the gauge group $SU(N)$. Pair creation of partons (fermion
quanta) is not suppressed in the large-$N$ limit, where the glueball-like bound
states become free. In this limit the spectrum is given by a linear \lc\ Schr\"
odinger... | 1993-07-18 | 2009-10-22 | [
"hep-th",
"hep-lat"
] | G. Bhanot, K. Demeterfi and I. Klebanov |
hep-th/9307110 | Notes on $WGL_n$-Algebras and Quantum Miura Transformation | We start from the quantum Miura transformation [7] for the $W$-algebra
associated with $GL(n)$ group and find an evident formula for quantum
L-operator as well as for the action of $W_l$ currents (l=1,..,n) on elements
of the completely degenerated n-dimensional representation. Quantum formulae
are obtained through the... | 1993-07-17 | 2015-06-26 | [
"hep-th"
] | Ya.P.Pugay |
hep-th/9307106 | Rational $ W $ algebras from composite operators | Factoring out the spin $1$ subalgebra of a $ W $ algebra leads to a new $ W $
structure which can be seen either as a rational finitely generated $ W $
algebra or as a polynomial non-linear $ W_\infty$ realization. | 1993-07-16 | 2009-10-22 | [
"hep-th"
] | F. Delduc, L. Frappat, P. Sorba, F. Toppan and E. Ragoucy |
hep-th/9307108 | Classical and Quantized Tensionless Strings | {}From the ordinary tensile string we derive a geometric action for the
tensionless ($T=0$) string and discuss its symmetries and field equations. The
Weyl symmetry of the usual string is shown to be replaced by a global
space-time conformal symmetry in the $T\to 0$ limit. We present the explicit
expressions for the ge... | 1993-07-16 | 2009-10-22 | [
"hep-th"
] | J. Isberg, U. Lindstr\"om, B. Sundborg and G. Theodoridis |
hep-th/9307105 | A continuum approach to 2D-Quantum Gravity for c$>$1 | Two dimensional induced quantum gravity with matter central charge $c>1$ is
studied taking a careful consideration of both diffeomorphism and Weyl
symmetries . It is shown that, for the gauge fixing condition $R(g)$ (scalar
curvature)=$const$, one obtains a modification of the David-Distler-Kawai
version of KPZ scaling... | 1993-07-16 | 2007-05-23 | [
"hep-th"
] | M. Martellini, M.Spreafico and K. Yoshida |
hep-th/9307109 | Slave Anyons in the $t$-$J$ Model at the Supersymmetric Point | We discuss the properties of the supersymmetric $t$-$J$ model in the
formalism of the slave operators. In particular we introduce a generalized
abelian bosonization for the model in two dimensions, and show that holons and
spinons can be anyons of arbitrary complementary statistics (slave anyon
representation). The bra... | 1993-07-16 | 2010-11-02 | [
"hep-th",
"cond-mat"
] | Alberto Lerda and Stefano Sciuto |
hep-th/9307107 | Level-Rank Duality of WZW Theories and Isomorphisms of N=2 Coset Models | Mappings between certain infinite series of N=2 superconformal coset models
are constructed. They make use of level-rank dualities for B, C and D type
theories. While the WZW level-rank dualities do not constitute isomorphisms of
the theories, they lead to level-rank dualities of N=2 coset models that
preserve the cft ... | 1993-07-16 | 2009-10-22 | [
"hep-th"
] | J. Fuchs and C. Schweigert |
hep-th/9307100 | Orthodox Gravity | A scalar field theory is investigated within the context of orthodox quantum
gravity. | 1993-07-15 | 2009-09-25 | [
"hep-th",
"gr-qc"
] | A.Y. Shiekh |
hep-th/9307097 | What are we quantizing in integrable field theory? | We continue study of the connection of classical limit of integrable
asymptotically free field theory to the finite-gap solutions of classical
integrable equations. In the limit the momenta of particles turn into the
moduli of Riemann surfaces while their isotopic structure is related to the
period lattices. In this pa... | 1993-07-15 | 2007-05-23 | [
"hep-th"
] | F.A. Smirnov |
hep-th/9307099 | Quasi Exactly Solvable 2$\times$2 Matrix Equations | We investigate the conditions under which systems of two differential
eigenvalue equations are quasi exactly solvable. These systems reveal a rich
set of algebraic structures. Some of them are explicitely described. An exemple
of quasi exactly system is studied which provides a direct counterpart of the
Lam\'e equation... | 1993-07-15 | 2009-10-22 | [
"hep-th"
] | Y. Brihaye, P. Kosinski |
hep-th/9307103 | Finite Chains with Quantum Affine Symmetries | We consider an extension of the (t-U) Hubbard model taking into account new
interactions between the numbers of up and down electrons. We confine ourselves
to a one-dimensional open chain with L sites (4^L states) and derive the
effective Hamiltonian in the strong repulsion (large U) regime. This
Hamiltonian acts on 3^... | 1993-07-15 | 2009-10-22 | [
"hep-th",
"cond-mat",
"nlin.SI",
"solv-int"
] | F. C. Alcaraz, D. Arnaudon, V. Rittenberg and M. Scheunert |
hep-th/9307098 | Collective Coordinate Quantization: Relativistic and Gauge Symmetric
Aspects | The introduction and quantization of a center-of-mass coordinate is
demonstrated for the one-soliton sector of nonlinear field theories in (1+1)
dimensions. The present approach strongly emphazises the gauge and
BRST-symmetry aspects of collective coordinate quantization. A gauge is
presented which is independent of an... | 1993-07-15 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | R. Sollacher |
hep-th/9307102 | Wigner Quantum Oscillators | We present three groups of noncanonical quantum oscillators. The position and
the momentum operators of each of the groups generate basic Lie superalgebras,
namely $sl(1/3)$, $osp(1/6)$ and $osp(3/2)$. The $sl(1/3)$-oscillators have
finite energy spectrum and finite-dimensions. The $osp(1/6)$-oscillators are
related to... | 1993-07-15 | 2009-10-22 | [
"hep-th"
] | T. D. Palev and N. I. Stoilova |
hep-th/9307104 | Complete Semiclassical Treatment of the Quantum Black Hole Problem | Two types of semiclassical calculations have been used to study quantum
effects in black hole backgrounds, the WKB and the mean field approaches. In
this work we systematically reconstruct the logical implications of both
methods on quantum black hole physics and provide the link between these two
approaches. Our concl... | 1993-07-15 | 2010-11-01 | [
"hep-th"
] | B. Harms and Y. Leblanc |
hep-th/9307101 | Central charges without finite-size effects | We show how to obtain the ultraviolet central charge from the exact S-matrix
for a wide variety of models with a $U(1)$ symmetry. This is done by coupling
the $U(1)$ current $J$ to a background field. In an $N$=2 superconformal theory
with $J$ the fermion number current, the OPE of $J$ with itself and hence the
free en... | 1993-07-15 | 2009-10-22 | [
"hep-th"
] | Paul Fendley and Ken Intriligator |
hep-th/9307094 | Canonical quantization of the D=2n dimensional relativistic spinning
particle with anomalous magnetic moment in the external electromagnetic field | The pseudoclassical hamiltonian and action of the $D=2n$ dimensional Dirac
particle with anomalous magnetic moment interacting with the external
electromagnetic field is found. The Bargmann-Michel-Telegdi equation of motion
for the Pauli-Lubanski vector is deduced. The canonical quantization of $D=2n$
dimensional Dirac... | 1993-07-14 | 2008-02-03 | [
"hep-th"
] | G.V. Grigoriyn, R.P. Grigoryan |
hep-th/9307092 | Ultra--Planck Scattering in D=3 Gravity Theories | We obtain the high energy, small angle, 2-particle gravitational scattering
amplitudes in topologically massive gravity (TMG) and its two non-dynamical
constituents, Einstein and Chern--Simons gravity. We use 't Hooft's approach,
formally equivalent to a leading order eikonal approximation: one of the
particles is take... | 1993-07-14 | 2008-11-26 | [
"hep-th",
"gr-qc"
] | S. Deser, J. McCarthy, Alan R. Steif |
hep-th/9307093 | Some Issues In The Loop Variable Approach to Open Strings and an
Extension to Closed Strings | Some issues in the loop variable renormalization group approach to gauge
invariant equations for the free fields of the open string are discussed. It
had been shown in an earlier paper that this leads to a simple form of the
gauge transformation law. We discuss in some detail some of the curious
features encountered th... | 1993-07-14 | 2010-11-01 | [
"hep-th"
] | B. Sathiapalan |
hep-th/9307096 | Self-Dual Supersymmetric Yang-Mills Theory Generates Two-Dimensional
Supersymmetric WZNW Models | We show that recently formulated four-dimensional self-dual supersymmetric
Yang-Mills theory, which is consistent background for open $~N=2$~ superstring,
generates two-dimensional $~N=(1,1),~\, N=(1,0) $~ and $~N=(2,0)$~
supersymmetric gauged Wess-Zumino-Novikov-Witten $~\s\-$models on coset
manifolds $~G/H$, after ap... | 1993-07-14 | 2011-07-19 | [
"hep-th"
] | Hitoshi Nishino |
hep-th/9307090 | Annihilation Poles for Form Factors in XXZ Model | The annihilation poles for the form factors in XXZ model are studied using
vertex operators introduced in \cite{DFJMN}. An annihilation pole is the
property of form factors according to which the residue of the $2n$-particle
form factor in such a pole can be expressed through linear combination of the
$2n-2$-particle f... | 1993-07-14 | 2015-06-26 | [
"hep-th"
] | S. Pakuliak |
hep-th/9307095 | A geometrical action for dilaton gravity | We study the gravitational interaction involving the dilaton and the
anti-symmetrical $B_{\mu\nu}$ fields that arises in the low-energy limit of
string theory. It is shown that such interaction can be derived from a
geometrical action principle, with the scalar of curvature of a non-Riemannian,
but {\em metric-compatib... | 1993-07-14 | 2010-04-06 | [
"hep-th"
] | Alberto Saa |
hep-th/9307091 | Solutions of Conformal Turbulence on a Half Plane | Exact solutions of conformal turbulence restricted on a upper half plane are
obtained. We show that the inertial range of homogeneous and isotropic
turbulence with constant enstrophy flux develops in a distant region from the
boundary. Thus in the presence of an anisotropic boundary, these exact
solutions of turbulence... | 1993-07-14 | 2010-02-05 | [
"hep-th"
] | B.K. Chung, Soonkeon Nam, Q-Han Park, and H.J. Shin |
hep-th/9307085 | Comment on Two Dimensional O(N) and Sp(N) Yang Mills Theories as String
Theories | We write down all orders large $N$ expansions for the dimensions of
irreducible representations of $O(N)$ and $Sp(N)$. We interpret all the terms
in these expansions as symmetry factors for singular worldsheet configurations,
involving collapsed crosscaps and tubes.
We use it to complete the interpretation of two dim... | 1993-07-14 | 2009-10-22 | [
"hep-th"
] | Sanjaye Ramgoolam |
hep-th/9307089 | Gauge Invariance in Nonlocal Regularized QED | The existence of the invariant measure in nonlocal regularized actions is
discussed. It is shown that the measure for nonlocally regularized QED, as
presented in\cite{Moff-Wood}, exists to all orders, and is precisely what is
required to maintain gauge invariance at one loop and guarantees perturbative
unitarity. We al... | 1993-07-13 | 2007-05-23 | [
"hep-th"
] | Mike A. Clayton |
hep-th/9307086 | Regularization Methods in Chiral Perturbation Theory | Chiral lagrangians describing the interactions of Goldstone bosons in a
theory possessing spontaneous symmetry breaking are effective,
non-renormalizable field theories in four dimensions. Yet, in a momentum
expansion one is able to extract definite, testable predictions from
perturbation theory. These techniques have ... | 1993-07-13 | 2009-10-22 | [
"hep-th",
"hep-ph"
] | D. Espriu and J. Matias |
hep-th/9307087 | W_{\infty} Gauge Transformations and the Electromagnetic Interactions of
Electrons in the Lowest Landau Level | We construct a $W_{\infty}$ gauge field theory of electrons in the lowest
Landau level. For this purpose we introduce an external gauge potential $\cal A
$ such that its $W_{\infty}$ gauge transformations cancel against the gauge
transformation of the electron field. We then show that the electromagnetic
interactions o... | 1993-07-13 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | B. Sakita |
hep-th/9307084 | Pseudoclassical Foldy-Wouthuysen transformation and the canonical
quantization of the D=2n dimensional spinning particle in the external
electromagnetic field | The canonical quantization of $D=2n$ dimensional Dirac spinning particle in
the external electromagnetic field is carried out in the gauge which allows to
describe simultaneously particles and antiparticles (massive and massless)
already at the classical level. Pseudoclassical Foldy-Wouthuysen transformation
is used to... | 1993-07-13 | 2007-05-23 | [
"hep-th"
] | G.V. Grigoryan, R.P. Grigoryan (Yerevan Physics Institute, Republic of
Armenia) |
hep-th/9307088 | A Proof of Local Background Independence of Classical Closed String
Field Theory | We give a complete proof of local background independence of the classical
master action for closed strings by constructing explicitly, for any two nearby
conformal theories in a CFT theory space, a symplectic diffeomorphism between
their state spaces mapping the corresponding non-polynomial string actions into
each ot... | 1993-07-13 | 2009-09-15 | [
"hep-th"
] | Ashoke Sen and Barton Zwiebach |
hep-th/9307082 | Topological Field Theory of Vortices over Closed Kahler Manifolds | By dimensional reduction, Einstein-Hermitian equations of n + 1 dimensional
closed Kahler manifolds lead to vortex equations of n dimensional closed Kahler
manifolds. A Yang-Mills-Higgs functional to unitary bundles over closed Kahler
manifolds has topological invariance by adding the additional terms which have
ghost ... | 1993-07-12 | 2011-07-19 | [
"hep-th"
] | Hyuk-jae Lee |
hep-th/9307083 | Complex analytic realizations for quantum algebras | A method for obtaining complex analytic realizations for a class of deformed
algebras based on their respective deformation mappings and their ordinary
coherent states is introduced. Explicit results of such realizations are
provided for the cases of the $q$-oscillators ($q$-Weyl-Heisenberg algebra) and
for the $su_{q}... | 1993-07-12 | 2009-10-22 | [
"hep-th",
"math.QA"
] | J. A. de Azc\'arraga and Demosthenes Ellinas |
hep-th/9307081 | Topological Field Threories on The Compact Kahler Complex Surfaces | The structure of topological quantum field theories on the compact
Kahler manifold is interpreted. The BRST transformations of fields are
derived from universal bundle and the observables are found from the second
Chern class of universal bundle. | 1993-07-12 | 2009-10-22 | [
"hep-th"
] | Hyuk-jae Lee |
hep-th/9307080 | Boson--fermion bound states in two dimensional QCD | We derive the boson--fermion bound state equation in a two dimensional gauge
theory in the large--$\nc$ limit. We analyze the properties of this equation
and in particular, find that the mass trajectory is linear with respect to the
bound state level for the higher mass states. | 1993-07-12 | 2009-10-22 | [
"hep-th"
] | Kenichiro Aoki |
hep-th/9307078 | The Langevin equation on a cell complex | We consider a cell-complex in an arbitrary Hausdorff space as a dynamical
object that can be coupled to a field defined on the complex. The Langevin
equation is then derived for this field. In other words, a noise-field is
created resulting from the field/geometry interactions. | 1993-07-11 | 2007-05-23 | [
"hep-th"
] | F.Vanderseypen |
hep-th/9307079 | White Holes, Black Holes and Cpt in Two Dimensions | It is argued that a unitarity-violating but weakly CPT invariant
superscattering matrix exists for leading-order large-$N$ dilaton gravity, if
and only if one includes in the Hilbert space planckian ``thunderpop"
excitations which create white holes. CPT apparently cannot be realized in a
low-energy effective theory in... | 1993-07-11 | 2009-09-17 | [
"hep-th",
"gr-qc"
] | Andrew Strominger |
hep-th/9307075 | Discretization of Virasoro Algebra | A $q$-discretization of \vi\ algebra is studied which reduces to the ordinary
\vi\ algebra in the limit of $q \ra 1$. This is derived starting from the Moyal
bracket algebra, hence is a kind of quantum deformation different from the
quantum groups. Representation of this new algebra by using $q$-parametrized
free field... | 1993-07-10 | 2009-10-22 | [
"hep-th"
] | Ryuji Kemmoku and Satoru Saito |
hep-th/9307076 | Ternary Codes and $Z_3$-Orbifold Constructions of Conformal Field
Theories | We describe a pair of constructions of Eisenstein lattices from ternary
codes, and a corresponding pair of constructions of conformal field theories
from lattices which turn out to have a string theoretic interpretation. These
are found to interconnect in a similar way to results for binary codes, which
led to a genera... | 1993-07-10 | 2007-05-23 | [
"hep-th"
] | P. Montague |
hep-th/9307074 | All-Order Quantum Gravity in Two Dimensions | We derive curvature counterterms in two-dimensional gravity coupled to
conformal matter up to infinite order. By construction the higher-order action
is equivalent to a finite first-order theory with auxiliary scalar. Due to this
equivalence it shares the following remarkable properties: There is no need for
gravitatio... | 1993-07-10 | 2009-10-22 | [
"hep-th"
] | Thomas T. Burwick |
hep-th/9307077 | Closed Strings with Low Harmonics and Kinks | Low-harmonic formulas for closed relativistic strings are given. General
parametrizations are presented for the addition of second- and third-harmonic
waves to the fundamental wave. The method of determination of the
parametrizations is based upon a product representation found for the finite
Fourier series of string m... | 1993-07-10 | 2010-11-01 | [
"hep-th"
] | R.W.Brown, M.E.Convery, S.A.Hotes, M.G.Knepley, and L.S.Petropoulos |
hep-th/9307065 | Renormalization Group Approach to Discretized Gravity | We summarize our renormalization group approach for the vector model as well
as the matrix model which are the discretized quantum gravity in one- and
two-dimensional spacetime. A difference equation is obtained which relates free
energies for neighboring values of $N$. The reparametrization freedom in field
space is f... | 1993-07-09 | 2007-05-23 | [
"hep-th"
] | S. Higuchi, C. Itoi, S. Nishigaki and N. Sakai |
hep-th/9307069 | On the Necessity of Rational Velocities: a Gedankenexperiment | In the present contribution we propose a gedankenexperiment in which the
restriction of rational values on the velocities emerges as a necessary
condition from Classical Electromagnetism and Quantum Mechanics. This
restriction is shown to be intimately connected to Dirac's electric charge
quantization condition. | 1993-07-09 | 2008-02-03 | [
"hep-th"
] | M.C. Nemes and Saulo C.S. Silva |
hep-th/9307071 | The Algebra of Non-Local Charges in Non-Linear Sigma Models | We obtain the exact Dirac algebra obeyed by the conserved non-local charges
in bosonic non-linear sigma models. Part of the computation is specialized for
a symmetry group $O(N)$. As it turns out the algebra corresponds to a cubic
deformation of the Kac-Moody algebra. The non-linear terms are computed in
closed form. I... | 1993-07-09 | 2009-10-22 | [
"hep-th"
] | E. Abdalla, M.C.B. Abdalla, J.C. Brunelli, A.Zadra |
hep-th/9307064 | On Non-Linear W-Infinity Symmetry of Generalized Liouville and Conformal
Toda Models | Invariance under non-linear ${\sf {\hat W}}_{\infty}$ algebra is shown for
the two-boson Liouville type of model and its algebraic generalizations, the
extended conformal Toda models. The realization of the corresponding generators
in terms of two boson currents within KP hierarchy is presented. | 1993-07-09 | 2009-10-22 | [
"hep-th"
] | H. Aratyn, L.A. Ferreira, J.F. Gomes and A.H. Zimerman |
hep-th/9307059 | Black Hole Statistics | The quantum statistics of charged, extremal black holes is investigated
beginning with the hypothesis that the quantum state is a functional on the
space of closed three-geometries, with each black hole connected to an
oppositely charged black hole through a spatial wormhole. From this starting
point a simple argument ... | 1993-07-09 | 2009-09-17 | [
"hep-th",
"gr-qc"
] | Andrew Strominger |
hep-th/9307068 | Axial Currents in Electrodynamics P.C.R | In the present work we argue that the usual assumption that magnetic currents
possess the vector structure characteristic of electric currents may be the
source of several difficulties in the theory of magnetic monopoles. We propose
an {\it axial} magnetic current instead and show that such difficulties are
solved. Cha... | 1993-07-09 | 2007-05-23 | [
"hep-th"
] | Cardoso de Melo, M.C. Nemes and Saulo C.S. Silva |
hep-th/9307063 | From 1-matrix model to Kontsevich model | Loop equations of matrix models express the invariance of the models under
field redefinitions. We use loop equations to prove that it is possible to
define continuum times for the generic hermitian {1-matrix} model such that all
correlation functions in the double scaling limit agree with the corresponding
correlation... | 1993-07-09 | 2015-06-26 | [
"hep-th"
] | Jan Ambjorn and Charlotte F. Kristjansen |
hep-th/9307066 | Massive sigma models with (p,q) supersymmetry | We determine the general scalar potential consistent with (p,q) supersymmetry
in two-dimensional non-linear sigma models with torsion, generalizing previous
results for special cases. We thereby find many new supersymmetric sigma models
with potentials, including new (2,2) and (4,4) models. | 1993-07-09 | 2010-04-06 | [
"hep-th"
] | G. Papadopoulos and P.K. Townsend |
hep-th/9307062 | Off-Shell Bethe Ansatz Equation and N-point Correlators in the SU(2)
WZNW Theory | We prove that the wave vectors of the off-shell Bethe Ansatz equation for the
inhomogeneous SU(2) lattice vertex model render in the quasiclassical limit the
solution of the Knizhnik-Zamolodchikov equation. | 1993-07-09 | 2010-11-01 | [
"hep-th"
] | H.M. Baboujian |
hep-th/9307072 | Quantum Evaporation of Liouville Black Holes | The classical field equations of a Liouville field coupled to gravity in two
spacetime dimensions are shown to have black hole solutions. Exact solutions
are also obtained when quantum corrections due to back reaction effects are
included, modifying both the ADM mass and the black hole entropy. The
thermodynamic limit ... | 1993-07-09 | 2007-05-23 | [
"hep-th"
] | R.B. Mann |
hep-th/9307070 | Dirac Monopoles and the Angular Momentum of the Electromagnetic Field | We present a possible solution for the long standing problem of the
incompatibility of Dirac's charge quantization condition with integer values
for the angular momentum of the electromagnetic field. | 1993-07-09 | 2007-05-23 | [
"hep-th"
] | M.C. Nemes and Saulo C.S. Silva |
hep-th/9307061 | Electrically neutral Dirac particles in the presence of external fields:
exact solutions | In the present article we present exact solutions of the Dirac equation for
electric neutral particles with anomalous electric and magnetic moments. Using
the algebraic method of separation of variables, the Dirac equation is
separated in cartesian, cylindrical and spherical coordinates, and exact
solutions are obtaine... | 1993-07-09 | 2009-10-22 | [
"hep-th"
] | German V. Shishkin and Victor M. Villalba |
hep-th/9307067 | On the Calculability of Observables in Topological Quantum Mechanical
Models | We consider a superconformal quantum mechanical system which has been chosen
on the basis of a local BRST topological invariance. We suggest that it truly
leads to topological observables which we compute. The absences of a ground
state and of a mass gap are special features of this system. | 1993-07-09 | 2009-10-22 | [
"hep-th"
] | L. Baulieu and E. Rabinovici |
hep-th/9307073 | Do we need the $W^{(n>3)}$ constraints to solve the $(1,q)$ models
coupled to 2D gravity? | We prove that all the correlation functions in the $(1,q)$ models are
calculable using only the Virasoro and the $W^{(3)}$ constraints. This result
is based on the invariance of correlators with respect to an interchange of the
order of the operators they contain.
In terms of the topological recursion relations, it m... | 1993-07-09 | 2009-10-22 | [
"hep-th"
] | Y.Lavi and J.Sonnenschein |
hep-th/9307060 | Trace anomaly of the conformal gauge field | The proposed by Bastianelli and van Nieuwenhuizen new method of calculations
of trace anomalies is applied in the conformal gauge field case. The result is
then reproduced by the heat equation method. An error in previous calculation
is corrected. It is pointed out that the introducing gauge symmetries into a
given sys... | 1993-07-09 | 2009-10-22 | [
"hep-th"
] | Jan Sladkowski |
hep-th/9307057 | Quantum Dust Black Holes | By analysing the infinite dimensional midisuperspace of spherically symmetric
dust universes, and aply it to collapsing dust stars, one finds that the
general quantum state is a bound state. This leads to discrete spectrum. In the
case of a Schwarzschild black hole, the discrete spectrum implies Bekenstein
area quantiz... | 1993-07-08 | 2007-05-23 | [
"hep-th"
] | Yoav Peleg |
hep-th/9307053 | Light-Cone Quantisation of Matrix Models at c>1 | The technique of (discretised) light-cone quantisation, as applied to matrix
models of relativistic strings, is reviewed. The case of the c=2 non-critical
bosonic string is discussed in some detail to clarify the nature of the
continuum limit. Futher applications for the technique are then outlined. (To
appear in proce... | 1993-07-08 | 2007-05-23 | [
"hep-th"
] | S.Dalley |
hep-th/9307054 | Higher Order Calculations in Renormalization Group Approach to Matrix
Models | We study higher order approximations in the renormalization group approach to
matrix models. We use constraint equations on the free energy resulting from a
freedom of field redefinitionsand obtain the effective beta function for a
single coupling constant to the fifth order. The fixed point and the string
susceptibili... | 1993-07-08 | 2015-06-26 | [
"hep-th"
] | Yukihisa Itoh |
hep-th/9307056 | Dilogarithm identities, fusion rules and structure constants of CFTs | Recently dilogarithm identities have made their appearance in the physics
literature. These identities seem to allow to calculate structure constants
like, in particular, the effective central charge of certain conformal field
theories from their fusion rules. In Nahm, Recknagel, Terhoeven (1992) a proof
of identities ... | 1993-07-08 | 2009-10-22 | [
"hep-th",
"math.CA",
"math.QA"
] | Michael Terhoeven |
hep-th/9307055 | Loop Integrals, R Functions and their Analytic Continuation | To entirely determine the resulting functions of one-loop integrals it is
necessary to find the correct analytic continuation to all relevant kinematical
regions. We argue that this continuation procedure may be performed in a
general and mathematical accurate way by using the ${\cal R}$ function notation
of these inte... | 1993-07-08 | 2015-06-26 | [
"hep-th"
] | L. Bruecher, J. Franzkowski, D. Kreimer |
hep-th/9307058 | Kac-Moody Algebras and String Theory (THESIS) | The focus of this thesis is on (1) the role of Ka\v c-Moody (KM) algebras in
string theory and the development of techniques for systematically building
string theory models based on higher level ($K\geq 2$) KM algebras and (2)
fractional superstrings. In chapter two we review KM algebras and their role in
string theor... | 1993-07-08 | 2008-02-03 | [
"hep-th"
] | Gerald B. Cleaver |
hep-th/9307050 | Axionic Defect Anomalies and their Cancellation | We present a simple derivation of the Callan-Harvey-Naculich effect, {\it
i.e.} the compensation of charge violation on axion strings due to gauge
anomalies by accretion of charge onto the string from the surrounding space. We
then show, in the case of axion fields without a potential, that an alternative
explanation i... | 1993-07-07 | 2010-01-07 | [
"hep-th"
] | J.M. Izquierdo and P.K. Townsend |
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