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/9407009 | Elliptic Genera of N=2 Hermitian Symmetric Space Models | Expressions are given for the elliptic genera of the Kazama-Suzuki models
associated with hermitian symmetric spaces when the problems of field
identifications are absent. We use the models' known Coulomb gas descriptions. | 1994-07-03 | 2009-10-28 | [
"hep-th"
] | Toshiya Kawai |
hep-th/9407012 | Seeking Inspiration from the Standard Model in Order to Go Beyond it | We look at various features of the Standard Model with the purpose of
exploring some possibilities of how to seek physical laws beyond it, i.e. at
even smaller distances. Only parameters and structure which are not calculable
from the Standard Model is considered useful information. Ca. $90$ bits of
information contain... | 1994-07-03 | 2007-05-23 | [
"hep-th"
] | Holger Bech Nielsen, Svend Erik Rugh and Christian Surlykke |
hep-th/9407008 | A Possible Resolution of the Black Hole Information Puzzle | The problem of information loss is considered under the assumption that the
process of black hole evaporation terminates in the decay of the black hole
interior into a baby universe. We show that such theories can be decomposed
into superselection sectors labeled by eigenvalues of the third-quantized baby
universe fiel... | 1994-07-02 | 2009-09-17 | [
"hep-th",
"gr-qc"
] | Joseph Polchinski and Andrew Strominger |
hep-th/9407005 | Dynamical Topology Change, Compactification and Waves in a Stringy Early
Universe | Exact string solutions are presented, where moduli fields are varying with
time. They provide examples where a dynamical change of the topology of space
is occurring. Some other solutions give cosmological examples where some
dimensions are compactified dynamically or simulate pre-big bang type
scenarios. Some lessons ... | 1994-07-01 | 2008-02-03 | [
"hep-th",
"astro-ph",
"gr-qc"
] | E. Kiritsis and C. Kounnas |
hep-th/9407001 | The Conical Singularity And Quantum Corrections To Entropy Of Black Hole | For general finite temperature different from the Hawking one there appears a
well known conical singularity in the Euclidean classical solution of
gravitational equations. The method of regularizing the cone by regular surface
is used to determine the curvature tensors for such a metrics. This allows one
to calculate ... | 1994-07-01 | 2010-11-01 | [
"hep-th"
] | S.N.Solodukhin |
hep-th/9407003 | Convex Bases of PBW type for Quantum Affine Algebras | This note has two purposes. First we establish that the map defined in [L,
$\S 40.2.5$ (a)] is an isomorphism for certain admissible sequences. Second we
show the map gives rise to a convex basis of Poincar\'e--Birkhoff--Witt (PBW)
type for $\bup$, an affine untwisted quantized enveloping algebra of
Drinfel$'$d and Jim... | 1994-07-01 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Jonathan Beck |
hep-th/9407007 | Fractons in Twisted Multiflavor Schwinger Model | We consider two-dimensional QED with several fermion flavors on a finite
spatial circle. A modified version of the model with {\em flavor-dependent}
boundary conditions $\psi_p(L) = e^{2\pi ip/ N} \psi_p(0)$, $p = 1, \ldots , N$
is discussed ($N $ is the number of flavors). In this case a non-contactable
contour in the... | 1994-07-01 | 2009-09-25 | [
"hep-th"
] | M. Shifman and A. Smilga |
hep-th/9407006 | Path-integral quantization of $W_\infty$ gravity | We consider the anomalies of $W_\infty$ gravity in the context of
path-integralquantization. We derive the ghost-loop anomalies to all orders in
$\hbar$ directly from the path-integral measure by the Fujikawa method. We also
show that in the matter sector the higher-loop anomalies can be obtained by
implementation of t... | 1994-07-01 | 2009-10-28 | [
"hep-th"
] | R. Mohayaee |
hep-th/9406211 | Representation theory and tensor product theory for vertex operator
algebras | We first formulate a definition of tensor product for two modules for a
vertex operator algebra in terms of a certain universal property and then we
give a construction of tensor products. We prove the unital property of the
adjoint module and the commutativity of tensor products, up to module
isomorphism. We relate th... | 1994-07-01 | 2009-09-25 | [
"hep-th",
"math.QA"
] | Hai-sheng Li |
hep-th/9407002 | Real decoupling ghost quantization of the CGHS model for two dimensional
black holes | A complete RST quantization of a CGHS model plus Strominger term is carried
out. In so doing a conformal invariant theory with $\kappa=\frac{N}{12}$ is
found, that is, without ghosts contribution. The physical consequences of the
model are analysed and positive definite Hawking radiation is found. | 1994-07-01 | 2009-10-28 | [
"hep-th"
] | S. Liberati |
hep-th/9407004 | Gravitational Phenomena from Superstrings in Curved Spacetime | The four-dimensional superstring solutions define at low energy effective
supergravity theories. A class of them extends successfully the validity of the
standard model up to the string scale (${\cal O}(10^{17})~TeV$). We stress the
importance of string corrections which are relevant for low energy (${\cal
O}(1)~TeV$) ... | 1994-07-01 | 2007-05-23 | [
"hep-th",
"astro-ph",
"gr-qc"
] | E. Kiritsis and C. Kounnas |
hep-th/9406209 | Remarks on Thermal Strings outside Black Holes | We discuss the semiclassical approximation to the level density of (super)
strings propagating in non-compact coset manifolds $G/H$. We show that the WKB
ansatz agrees with heuristic red-shift arguments with respect to the ``exact"
sigma model metric, up to some deviations from minimal coupling, parametrized
by the dil... | 1994-06-30 | 2010-11-01 | [
"hep-th"
] | J.L.F. Barbon |
hep-th/9406213 | Schroedinger Self-adjoint Extension and Quantum Field Theory | We argue that the results obtained using the quantum mechanical method of
self-adjoint extension of the Schr\"odinger Hamiltonian can also be derived
using Feynman perturbation theory in the investigation of the corresponding
non-relativistic field theories. We show that this is indeed what happens in
the study of an a... | 1994-06-30 | 2009-10-28 | [
"hep-th"
] | G. Amelino-Camelia and D. Bak |
hep-th/9406214 | The Supersymmetric Two Boson Hierarchies | We construct the most general supersymmetric two boson system that is
integrable. We obtain the Lax operator and the nonstandard Lax representation
for this system. We show that, under appropriate redefinition of variables,
this reduces to the supersymmetric nonlinear Schr\"odinger equation without any
arbitrary parame... | 1994-06-30 | 2009-10-28 | [
"hep-th"
] | J. C. Brunelli and A. Das |
hep-th/9406203 | Coset Realization of Unifying W-Algebras | We construct several quantum coset W-algebras, e.g. sl(2,R)/U(1) and
sl(2,R)+sl(2,R) / sl(2,R), and argue that they are finitely nonfreely
generated. Furthermore, we discuss in detail their role as unifying W-algebras
of Casimir W-algebras. We show that it is possible to give coset realizations
of various types of unif... | 1994-06-30 | 2009-10-28 | [
"hep-th"
] | R. Blumenhagen, W. Eholzer, A. Honecker, K. Hornfeck, R. Huebel |
hep-th/9406217 | Matter couplings in partially broken extended supersymmetry | We use nonlinear realizations to describe the spontaneous breaking of $N=2$
supersymmetry to $N=1$ in four dimensions. We identify the Goldstone multiplet
with an $N=1$ chiral superfield, and show that chiral $N=1$ matter is
consistent with the partially broken $N=2$ supersymmetry. We find that the
chiral matter can be... | 1994-06-30 | 2008-11-26 | [
"hep-th"
] | J. Bagger and A. Galperin |
hep-th/9406205 | Bicovariant differential calculus on quantum groups from Poisson Lie
structures | The aim of this lecture is to give a pedagogical explanation of the notion of
a Poisson Lie structure on the external algebra of a Poisson Lie group which
was introduced in our previous papers. Using this notion as a guide we
construct quantum external algebras on $SL_q(N)$ with proper (classical)
dimension. | 1994-06-30 | 2008-02-03 | [
"hep-th",
"math.QA"
] | I. Ya. Aref'eva, G. E. Arutyunov and P. B. Medvedev |
hep-th/9406206 | A Canonical Approach to Duality Transformations | We show that Buscher's abelian duality transformation rules can be recovered
in a very simple way by performing a canonical transformation first suggested
by Giveon, Rabinovici and Veneziano. We explore the properties of this
transformation, and also discuss some aspects of non-abelian duality. | 1994-06-30 | 2011-05-05 | [
"hep-th"
] | E. Alvarez, L. Alvarez-Gaume and Y. Lozano |
hep-th/9406208 | "Topological" Formulation of Effective Vortex Strings | We present a ``topological'' formulation of arbitrarily shaped vortex strings
in four dimensional field theory. By using a large Higgs mass expansion, we
then evaluate the effective action of the closed Abrikosov-Nielsen-Olesen
vortex string. It is shown that the effective action contains the Nambu-Goto
term and an ext... | 1994-06-30 | 2010-11-01 | [
"hep-th",
"astro-ph",
"hep-ph"
] | Masatoshi Sato and Shigeaki Yahikozawa |
hep-th/9406207 | String Field Theory in the Temporal Gauge | We construct the string field Hamiltonian for $c=1-\frac{6}{m(m+1)}$ string
theory in the temporal gauge. In order to do so, we first examine the
Schwinger-Dyson equations of the matrix chain models and propose the continuum
version of them. Results of boundary conformal field theory are useful in
making a connection b... | 1994-06-30 | 2009-10-28 | [
"hep-th"
] | M. Ikehara, N. Ishibashi, H. kawai, T. Mogami, R. Nakayama and N.
Sasakura |
hep-th/9406215 | Quantum integrability of nonultralocal models through Baxterisation of
quantised braided algebra | A scheme suitable for describing quantum nonultralocal models including
supersymmetric ones is proposed. Braided algebras are generalised to be used
through Baxterisation for constructing braided quantum Yang--Baxter equations.
Supersymmetric and some known nonultralocal models are derived in the framework
of the prese... | 1994-06-30 | 2008-12-18 | [
"hep-th"
] | Ladislav Hlavaty and Anjan Kundu |
hep-th/9406212 | Perturbative Renormalizations of Anyon Quantum Mechanics | In bosonic end perturbative calculations for quantum mechanical anyon systems
a regularization and renormalization procedure, analogous to those used in
field theory, is necessary. I examine the reliability and the physical
interpretation of the most commonly used bosonic end regularization procedures.
I then use the r... | 1994-06-30 | 2009-10-28 | [
"hep-th"
] | G. Amelino-Camelia |
hep-th/9406210 | Entropy for dilatonic black hole | The area formula for entropy is extended to the case of a dilatonic black
hole. The entropy of a scalar field in the background of such a black hole is
calculated semiclassically. The area and cutoff dependences are normal {\it
except in the extremal case}, where the area is zero but the entropy nonzero. | 1994-06-30 | 2013-11-13 | [
"hep-th"
] | A. Ghosh and P. Mitra (Saha Institute of Nuclear Physics) |
hep-th/9406216 | Low energy effective string cosmology | We give the general analytic solutions derived from the low energy string
effective action for four dimensional Friedmann-Robertson-Walker models with
dilaton and antisymmetric tensor field, considering both long and short
wavelength modes of the $H$-field. The presence of a homogeneous $H$-field
significantly modifies... | 1994-06-30 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | E. J. Copeland, Amitabha Lahiri and David Wands |
hep-th/9406218 | Environmentally Friendly Renormalization in Finite-Temperature Field
Theory | Contribution to the proceedings of the NATO workshop on the Electroweak Phase
Transition and the Early Universe, Sintra, March 1994. To be published by
Plenum Press. | 1994-06-30 | 2007-05-23 | [
"hep-th"
] | M.A. van Eijck, Denjoe O'Connor and C.R.Stephens |
hep-th/9406204 | Topics in Quantum Dynamics | The paper consists of two parts. In the first part Schroedinger's equation
for a charged quantum particle in a Galilei-Newton curved space-time is derived
in a fully geometrical way. Gravitational and electromagnetic fields are coded
into space metric and space-time connection. The fundamental geometrical object
is a q... | 1994-06-30 | 2009-09-25 | [
"hep-th"
] | A. Jadczyk |
hep-th/9406193 | A Theory for the Conformal Factor in Quantum $R^2$ Gravity | A new theory for the conformal factor in R$^2$-gravity is developed. The
infrared phase of this theory, which follows from the one-loop renormalization
group equations for the whole quantum R$^2$-gravity theory is described. The
one-loop effective potential for the conformal factor is found explicitly and a
mechanism f... | 1994-06-29 | 2009-09-17 | [
"hep-th"
] | E. Elizalde and S.D. Odintsov |
hep-th/9406197 | Integrable vector perturbations of W-invariant theories and their
quantum group symmetry | Perturbations of $WD_n$ and $W_3$ conformal theories which generalize the
$(1,2)$ perturbations of conformal minimal models are shown to be integrable by
counting argument. $A_{2n-1,q}^{(2)}$ and $D_{4,q}^ {(3)}$ symmetries of
corresponding S-matrices are conjectured and proved by explicit construction of
conserved non... | 1994-06-29 | 2008-02-03 | [
"hep-th"
] | A. Babichenko |
hep-th/9406199 | Fixed-Point Structure of Scalar Fields | We search for alternatives to the trivial $\phi^4$ field theory by including
arbitrary powers of the self-coupling. Such theories are renormalizable when
the natural cutoff dependencies of the coupling constants are taken into
account. We find a continuum of fixed points, which includes the well-known
Gaussian fixed po... | 1994-06-29 | 2009-10-28 | [
"hep-th"
] | Kenneth Halpern and Kerson Huang |
hep-th/9406198 | Putting string/string duality to the test | After simultaneous compactification of spacetime and worldvolume on $K3$, the
$D=10$ heterotic fivebrane with gauge group $SO(32)$ behaves like a $D=6$
heterotic string with gauge group $SO(28) \times SU(2)$, but with Kac--Moody
levels different from those of the fundamental string. Thus the
string/fivebrane duality co... | 1994-06-29 | 2009-10-28 | [
"hep-th"
] | M. J. Duff and R. Minasian |
hep-th/9406201 | Finite Black Hole Entropy and String Theory | An accelerating observer sees a thermal bath of radiation at the Hawking
temperature which is proportional to the acceleration. Also, in string theory
there is a Hagedorn temperature beyond which one cannot go without an infinite
amount of energy. Several authors have shown that in the context of Hawking
radiation a li... | 1994-06-29 | 2011-07-19 | [
"hep-th"
] | Michael McGuigan |
hep-th/9406192 | Collective Field Theory of the Fractional Quantum Hall Edge State and
the Calogero-Sutherland Model | \noindent Using hydrodynamic collective field theory approach we show that
one-particle density matrix of the $\nu=1/m$ fractional quantum Hall edge state
interpolates between chiral Luttinger liquid behavior $\langle
\psi^{\dagger}(r) \psi(0) \rangle \sim r^{-m} $ and Calogero-Sutherland model
behavior $\langle \psi^{... | 1994-06-29 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | S. Iso and S.J. Rey |
hep-th/9406200 | Physical Aspects of Differential Calculi on Commutative Algebras | The central structure in various versions of noncommutative geometry is a
differential calculus on an associative algebra. This is an analogue of the
calculus of differential forms on a manifold. In this short review we collect
examples of differential calculi on commutative algebras (which can be regarded
as algebras ... | 1994-06-29 | 2008-02-03 | [
"hep-th",
"gr-qc"
] | F. M"uller-Hoissen |
hep-th/9406195 | Quantum Hamiltonian Reduction of the Schwinger Model | We reexamine a unitary-transformation method of extracting a physical
Hamiltonian from a gauge field theory after quantizing all degrees of freedom
including redundant variables. We show that this {\it quantum Hamiltonian
reduction} method suffers from crucial modifications arising from
regularization of composite oper... | 1994-06-29 | 2009-10-28 | [
"hep-th"
] | Kazunori Itakura and Koichi Ohta |
hep-th/9406196 | An involution and dynamics for the $q$-deformed quantum top | It is known that the involution corresponding to the compact form is
incompatible with comultiplication for quantum groups at $|q|=1$. In this paper
we consider the quantum algebra of functions on the deformed space $T^{*}G_{q}$
which includes both the quantum group and the quantum universal enveloping
algebra as subal... | 1994-06-29 | 2008-11-26 | [
"hep-th"
] | A.Yu.Alekseev and L.D.Faddeev |
hep-th/9406191 | Quantum Dynamics in Regions of Quaternionic Curvature | The complex unit appearing in the equations of quantum mechanics is
generalised to a quaternionic structure on spacetime, leading to the
consideration of complex quantum mechanical particles whose dynamical behaviour
is governed by inhomogeneous Dirac and Schr\"{o}dinger equations. Mixing of
hyper-complex components of... | 1994-06-29 | 2007-05-23 | [
"hep-th"
] | S.P.Brumby and G.C.Joshi |
hep-th/9406194 | Yangian Double and Rational R-matrix | Studying the algebraic structure of the double ${\cal D}Y(g)$ of the yangian
$Y(g)$ we present the triangular decomposition of ${\cal D}Y(g)$ and a
factorization for the canonical pairing of the yangian with its dual inside
${\cal D}Y(g)$. As a consequence we obtain an explicit formula for the
universal R-matrix $R$ of... | 1994-06-29 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Sergei Khoroshkin (ITEP, Moscow), Valeriy N. Tolstoy (Moscow State
University) |
hep-th/9406190 | A nonmeromorphic extension of the moonshine module vertex operator
algebra | We describe a natural structure of an abelian intertwining algebra (in the
sense of Dong and Lepowsky) on the direct sum of the untwisted vertex operator
algebra constructed {}from the Leech lattice and its (unique) irreducible
twisted module. When restricting ourselves to the moonshine module, we obtain a
new and conc... | 1994-06-29 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Yi-Zhi Huang |
hep-th/9406183 | Completeness of ``Good'' Bethe Ansatz Solutions of a Quantum Group
Invariant Heisenberg Model | The $sl_q(2)$-quantum group invariant spin 1/2 XXZ-Heisenberg model with open
boundary conditions is investigated by means of the Bethe ansatz. As is well
known, quantum groups for $q$ equal to a root of unity possess a finite number
of ``good'' representations with non-zero q-dimension and ``bad'' ones with
vanishing ... | 1994-06-28 | 2010-11-01 | [
"hep-th"
] | G. Juettner and M. Karowski |
hep-th/9406181 | Cosmology and Models of Supersymmetry Breaking in String Theory | Supersymmetry breaking in string theory is expected to occur when moduli
fields acquire non-trivial expectation values. In the early universe these
fields start out displaced from their final destinations. I present some recent
ideas about the cosmological evolution of the dilaton modulus field on the way
to its vacuum... | 1994-06-28 | 2007-05-23 | [
"hep-th"
] | R. Brustein |
hep-th/9406184 | Is Complex Probability Theory Consistent with Bell's Theorem? | Bayesian complex probability theory is shown to be consistent with Bell's
theorem and with other recent limitations on local realistic theories which
agree with the predictions of quantum mechanics. | 1994-06-28 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | Saul Youssef |
hep-th/9406202 | Quantization of the Gravitational Constant in Odd-Dimensional Gravity | It is pointed out that the action recently proposed by Ba\~nados et al. for
gravitation in odd dimensions higher (and lower) than four, provides a natural
quantization for the gravitational constant. These theories possess no
dimensionful parameters and hence they may be power counting renormalizable. | 1994-06-28 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | J.Zanelli |
hep-th/9406188 | The Standard Model with gravity couplings | In this paper, we examine the coupling of matter fields to gravity within the
framework of the Standard Model of particle physics. The coupling is described
in terms of Weyl fermions of a definite chirality, and employs only
(anti)self-dual or left-handed spin connection fields. It is known from the
work of Ashtekar an... | 1994-06-28 | 2011-09-09 | [
"hep-th",
"gr-qc",
"hep-ph"
] | Lay Nam Chang and Chopin Soo |
hep-th/9406180 | Analytic Bethe Ansatz for Fundamental Representations of Yangians | We study the analytic Bethe ansatz in solvable vertex models associated with
the Yangian $Y(X_r)$ or its quantum affine analogue $U_q(X^{(1)}_r)$ for $X_r =
B_r, C_r$ and $D_r$. Eigenvalue formulas are proposed for the transfer matrices
related to all the fundamental representations of $Y(X_r)$. Under the Bethe
ansatz ... | 1994-06-28 | 2018-01-18 | [
"hep-th"
] | Atsuo Kuniba and Junji Suzuki |
hep-th/9406182 | Quantum Backreaction on ``Classical'' Variables | A mathematically consistent procedure for coupling quasiclassical and quantum
variables through coupled Hamilton-Heisenberg equations of motion is derived
from a variational principle. During evolution, the quasiclassical variables
become entangled with the quantum variables with the result that the value of
the quasic... | 1994-06-28 | 2009-10-28 | [
"hep-th"
] | Arlen Anderson |
hep-th/9406186 | Differential calculus on q-Minkowski space | We wish to report here on a recent approach to the non-commutative calculus
on $q$-Minkowski space which is based on the reflection equations with no
spectral parameter. These are considered as the expression of the invariance
(under the coaction of the $q$-Lorentz group) of the commutation properties
which define the ... | 1994-06-28 | 2008-02-03 | [
"hep-th",
"math.QA"
] | J. A. de Azc\'arraga and F. Rodenas (FTUV/IFIC/Valencia) |
hep-th/9406185 | Local Systems of Vertex Operators, Vertex Superalgebras and Modules | We give an analogue for vertex operator algebras and superalgebras of the
notion of endomorphism ring of a vector space by means of a notion of ``local
system of vertex operators'' for a (super) vector space. We first prove that
any local system of vertex operators on a (super) vector space $M$ has a
natural vertex (su... | 1994-06-28 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Hai-sheng Li |
hep-th/9406187 | Effective potential for nonrelativistic non-Abelian Chern-Simons matter
system in constant background fields | We present the effective potential for nonrelativistic matter coupled to
non-Abelian Chern-Simons gauge fields. We perform the calculation using a
functional method in constant background fields to satisfy Gauss's law and to
simplify the computation. Both the quantum gauge and matter fields are
integrated over. The gau... | 1994-06-28 | 2011-07-19 | [
"hep-th"
] | D. Caenepeel and M. Leblanc |
hep-th/9406175 | On $E_{10}$ and the DDF construction | An attempt is made to understand the root spaces of Kac Moody algebras of
hyperbolic type, and in particular $E_{10}$, in terms of a DDF construction
appropriate to a subcritical compactified bosonic string. While the level-one
root spaces can be completely characterized in terms of transversal DDF states
(the level-ze... | 1994-06-27 | 2010-11-01 | [
"hep-th"
] | R.W. Gebert and H. Nicolai |
hep-th/9406189 | Duality Invariant Superstring Actions | Worldsheet supersymmetric string action is written in duality invariant form
for flat as well as curved backgrounds. First the action in flat backgrounds is
written by introducing auxiliary fields. We also give the superfield form of
this action and obtain the offshell supersymmetry algebra. The action has a
modified L... | 1994-06-27 | 2011-07-19 | [
"hep-th"
] | Abbas Ali |
hep-th/9406173 | Discrete Quantum Field Theories and the Intersection Form | It is shown that the standard mod-$p$ valued intersection form can be used to
define Boltzmann weights of subdivision invariant lattice models with gauge
group $Z_{p}$. In particular, we discuss a four dimensional model which is
based upon the assignment of field variables to the $2$-simplices of the
simplicial complex... | 1994-06-27 | 2015-06-26 | [
"hep-th"
] | Danny Birmingham and Mark Rakowski |
hep-th/9406174 | Elements of nonlinear quantum mechanics (Part II): Triple bracket
generalization of quantum mechanics | A new version of NLQM is formulated in terms of the generalized Nambu
dynamics. The generalization is free from the difficulties of earlier
approaches. The paper is a second part of "Elements of NLQM (I): NL Schrodinger
equation and two-level atoms". | 1994-06-27 | 2007-05-23 | [
"hep-th"
] | Marek Czachor |
hep-th/9406178 | Introduction to Duality | We describe the duality between different geometries which arises by
considering the classical and quantum harmonic map problem. To appear in
``Essays on Mirror Manifolds II''. | 1994-06-27 | 2007-05-23 | [
"hep-th"
] | Amit Giveon and Martin Rocek |
hep-th/9406179 | Instanton Effects in Matrix Models and String Effective Lagrangians | We perform an explicit calculation of the lowest order effects of single
eigenvalue instantons on the continuous sector of the collective field theory
derived from a $d=1$ bosonic matrix model. These effects consist of certain
induced operators whose exact form we exhibit. | 1994-06-27 | 2009-10-28 | [
"hep-th"
] | R. Brustein, M. Faux and B. Ovrut |
hep-th/9406177 | Regularization and Quantization of Higher Dimensional Current Algebras | We present some recently discovered infinite dimensional Lie algebras that
can be understood as extensions of the algebra Map(M,g) of maps from a compact
p-dimensional manifold to some finite dimensional Lie algebra g. In the first
part of the paper, we describe the physical motivations for the study of these
algebras.... | 1994-06-27 | 2015-06-26 | [
"hep-th"
] | G. Ferretti (Chalmers University, G\"oteborg Sweden) |
hep-th/9406176 | Global Aspects of Symmetries in Sigma Models with Torsion | It is shown that non-trivial topological sectors can prevent the quantum
mechanical implementation of the symmetries of the classical field equations of
sigma models with torsion. The associated anomaly is computed, and it is shown
that it depends on the homotopy class of the topological sector of the theory
and the gr... | 1994-06-27 | 2007-05-23 | [
"hep-th"
] | G. Papadopoulos |
hep-th/9406172 | Quantum determinants | We show how to construct central and grouplike quantum determinants for FRT
algebras A(R). As an application of the general construction we give a quantum
determinant for the q-Lorentz group. | 1994-06-26 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Ulrich Meyer |
hep-th/9406171 | Topological Structure in ${\hat c}=1$ Fermionic String Theory | $\chat=1$ fermionic string theory, which is considered as a fermionic string
theory in two dimension, is shown to decompose into two mutually independent
parts, one of which can be viewed as a topological model and the other is
irrelevant for the theory. The physical contents of the theory is largely
governed by this t... | 1994-06-25 | 2011-07-19 | [
"hep-th"
] | Shinji Hirano and Hiroshi Ishikawa |
hep-th/9406170 | From geometric quantization to Moyal quantization | We show how the Moyal product of phase-space functions, and the Weyl
correspondence between symbols and operator kernels, may be obtained directly
using the procedures of geometric quantization, applied to the symplectic
groupoid constructed by ``doubling'' the phase space. | 1994-06-24 | 2009-10-28 | [
"hep-th"
] | Jose M. Gracia-Bondia and Joseph C. Varilly |
hep-th/9406164 | Geometry of Fermionic Constraints in Superstring Theories | Considered are superparticle and superstring models invariant under
supersymmetry in a target superspace and local extended worldsheet
supersymmetry the latter replacing the fermionic $\kappa$--symmetry of the
conventional Green--Schwarz formulations. (Talk given at the Conference on
Geometry of Constrained Dynamical S... | 1994-06-24 | 2007-05-23 | [
"hep-th"
] | Dmitrij Sorokin |
hep-th/9406163 | Newtonian Potential in Quantum Regge Gravity | We show how the Newtonian potential between two heavy masses can be computed
in simplicial quantum gravity. On the lattice we compute correlations between
Wilson lines associated with the heavy particles and which are closed by the
lattice periodicity. We check that the continuum analog of this quantity
reproduces the ... | 1994-06-24 | 2009-10-28 | [
"hep-th"
] | Herbert W. Hamber (CERN) and Ruth M. Williams (DAMTP) |
hep-th/9406165 | Some Features of Blown-Up Nonlinear $\sigma$-Models | In terms of the gauged nonlinear $\sigma$-models, we describe some results
and implications of solving the following problem: Given a smooth symplectic
manifold as target space with a quasi-free Hamiltonian group action, perform
the symplectic blowing up of the point singularity and identify the blow-up
modes in the co... | 1994-06-24 | 2010-04-06 | [
"hep-th"
] | H.B. Gao and H. R\"omer |
hep-th/9406168 | q-deformed Fourier Theory | We solve the problem of Fourier transformation for the one-dimensional
$q$-deformed Heisenberg algebra. Starting from a matrix representation of this
algebra we observe that momentum and position are unbounded operators in the
Hilbert space. Therefore, in order to diagonalise the position operator in a
momentum eigenba... | 1994-06-24 | 2008-02-03 | [
"hep-th"
] | J. Schwenk |
hep-th/9406166 | Derivations and noncommutative differential calculus II | We characterize the derivation $d:A\to \Omega^1_{\der}(A)$ by a universal
property introducing a new class of bimodules. | 1994-06-24 | 2008-02-03 | [
"hep-th",
"dg-ga",
"math.DG"
] | Michel Dubois-Violette and Peter W. Michor |
hep-th/9406167 | Canonical Transformations and Path Integral Measures | This paper is a generalization of previous work on the use of classical
canonical transformations to evaluate Hamiltonian path integrals for quantum
mechanical systems. Relevant aspects of the Hamiltonian path integral and its
measure are discussed and used to show that the quantum mechanical version of
the classical t... | 1994-06-24 | 2009-10-28 | [
"hep-th"
] | Mark S. Swanson |
hep-th/9406162 | The Beta-Function of the Chiral Gross Neveu Model at O(1/N^2) | We compute the $O(1/N^2)$ correction to the critical exponent $2\lambda$ $=$
$-$ $\beta^\prime(g_c)$ for the chiral Gross Neveu model in arbitrary
dimensions by substituting the corrections to the asymptotic scaling forms of
the propagators into the Schwinger Dyson equations and solving the resulting
consistency equati... | 1994-06-24 | 2014-11-18 | [
"hep-th"
] | J.A. Gracey |
hep-th/9406169 | The Energy Density in the Maxwell-Chern-Simons Theory | A two-dimensional nonrelativistic fermion system coupled to both
electromagnetic gauge fields and Chern-Simons gauge fields is analysed.
Polarization tensors relevant in the quantum Hall effect and anyon
superconductivity are obtained as simple closed integrals and are evaluated
numerically for all momenta and frequenc... | 1994-06-24 | 2014-11-18 | [
"hep-th",
"cond-mat"
] | Denne Wesolowski, Yutaka Hosotani and Sumantra Chakravarty |
hep-th/9406161 | A note on the path integral for systems with primary and secondary
second class constraints | It is shown that the phase space path integral for a system with arbitrary
second class constraints (primary, secondary ...) can be rewritten as a
configuration space path integral of the exponent of the Lagrangian action with
some local measure. | 1994-06-24 | 2009-10-28 | [
"hep-th"
] | M. Henneaux and S. Slavnov |
hep-th/9406158 | Non-Lagrangian Construction of Hamiltonian Structures | A method to construct Hamiltonian theories for systems of both ordinary and
partial differential equations is presented. The knowledge of a Lagrangian is
not at all necessary to achieve the result. The only ingredients required for
the construction are one solution of the symmetry (perturbation) equation and
one consta... | 1994-06-23 | 2007-05-23 | [
"hep-th",
"gr-qc"
] | Sergio A. Hojman |
hep-th/9406160 | Multisolitons in a Two-dimensional Skyrme Model | The Skyrme model can be generalised to a situation where static fields are
maps from one Riemannian manifold to another. Here we study a Skyrme model
where physical space is two-dimensional euclidean space and the target space is
the two-sphere with its standard metric. The model has topological soliton
solutions which... | 1994-06-23 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | B.M.A.G.Piette, B.J.Schroers and W.J.Zakrzewski |
hep-th/9406155 | Polynomial Form Factors in the O(3) Nonlinear sigma-Model | We study the general structure of Smirnov's axioms on form factors of local
operators in integrable models. We find various consistency conditions that the
form factor functions have to satisfy. For the special case of the $O(3)$
$\sigma$-model we construct simple polynomial solutions for the operators of
the spin-fiel... | 1994-06-23 | 2009-10-28 | [
"hep-th"
] | J. Balog and T. Hauer |
hep-th/9406156 | Realization of $W_{1+\infty}$ and Virasoro Algebras in Supersymmetric
Theories on Four Manifolds | We demonstrate that a supersymmetric theory twisted on a K\"ahler four
manifold $M=\Sigma_1 \times \Sigma_2 ,$ where $\Sigma_{1,2}$ are 2D Riemann
surfaces, possesses a "left-moving" conformal stress tensor on $\Sigma_1$
($\Sigma_2$) in the BRST cohomology. The central charge of the Virasoro algebra
has a purely geomet... | 1994-06-23 | 2009-10-28 | [
"hep-th"
] | Andrei Johansen |
hep-th/9406154 | Bosonization of Fermi Systems in Arbitrary Dimension in Terms of Gauge
Forms | We present a general method to bosonize systems of Fermions with infinitely
many degrees of freedom, in particular systems of non-relativistic electrons at
positive density, by expressing the quantized conserved electric charge- and
current density in terms of a bosonic antisymmetric tensorfield of a rank d--1,
where d... | 1994-06-23 | 2011-07-19 | [
"hep-th"
] | J. Froehlich, R. Goetschmann and P.A. Marchetti |
hep-th/9406153 | Renormalized expansion for matrix models | Matrix models of 2d quantum gravity coupled to matter field are investigated
by the renormalized perturbational method, in which the matrix model
Hamiltonian is represented by the equivalent vector model. By the saddle point
method, the renormalization group beta-function is obtained in the successive
approximation. | 1994-06-23 | 2009-10-28 | [
"hep-th"
] | Shinobu Hikami |
hep-th/9406157 | q-Epsilon tensor for quantum and braided spaces | The machinery of braided geometry introduced previously is used now to
construct the $\epsilon$ `totally antisymmetric tensor' on a general braided
vector space determined by R-matrices. This includes natural $q$-Euclidean and
$q$-Minkowski spaces. The formalism is completely covariant under the
corresponding quantum g... | 1994-06-23 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Shahn Majid |
hep-th/9406159 | On Transformations Preserving the Basis Conditions of a Spin Structure
Group in Four-Dimensional Super String Theory in Free Fermionic Formulation | Let $\Xi$ stand for a finite abelian spin structure group of four-dimensional
superstring theory in free fermionic formulation whose elements are
64-dimensional vectors (spin structure vectors) with rational entries belonging
to $\rbrack -1,\, 1\rbrack $ and the group operation is the $mod\, \, 2 $ entry
by entry summa... | 1994-06-23 | 2010-11-01 | [
"hep-th"
] | Valery A. Kholodnyi |
hep-th/9406142 | Damped quantum harmonic oscillator: density operator and related
quantities | A closed expression for the density operator of the damped harmonic
oscillator is extracted from the master equation based on the Lindblad theory
for open quantum systems. The entropy and effective temperature of the system
are subsequently calculated and their temporal behaviour is surveyed by showing
how these quanti... | 1994-06-22 | 2007-05-23 | [
"hep-th"
] | A. Isar |
hep-th/9406141 | Form Factors of 2-D Integrable Models Using Radial Quantization | We review some ideas from a recent construction which introduced the notion
of vertex operators and form factors as vacuum expectation values of related
vertex operators in the space of fields. The vertex operators are constructed
explicitly in radial quantization. These ideas are explained at the
free-fermion point of... | 1994-06-22 | 2009-09-25 | [
"hep-th"
] | Costas Efthimiou |
hep-th/9406146 | Representation Theory of Quantized Poincare Algebra. Tensor Operators
and Their Application to One-Partical Systems | A representation theory of the quantized Poincar\'e ($\kappa$-Poincar\'e)
algebra (QPA) is developed. We show that the representations of this algebra
are closely connected with the representations of the non-deformed Poincar\'e
algebra. A theory of tensor operators for QPA is considered in detail.
Necessary and suffic... | 1994-06-22 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Henri Ruegg (Geneva University), Valeriy N. Tolstoy (Moscow State
University) |
hep-th/9406147 | Quantum Lattice Solitons | The number state method is used to study soliton bands for three anharmonic
quantum lattices: i) The discrete nonlinear Schr\"{o}dinger equation, ii) The
Ablowitz-Ladik system, and iii) A fermionic polaron model. Each of these
systems is assumed to have $f$-fold translational symmetry in one spatial
dimension, where $f... | 1994-06-22 | 2009-10-28 | [
"hep-th"
] | A.C. Scott, J.C. Eilbeck, and H. Gilh{\o}j |
hep-th/9406143 | Strong oscillations of cumulants of photon distribution function in
slightly squeezed states | The cumulants and factorial moments of photon distribution for squeezed and
correlated light are calculated in terms of Chebyshev, Legendre and Laguerre
polynomials. The phenomenon of strong oscillations of the ratio of the cumulant
to factorial moment is found. | 1994-06-22 | 2009-10-28 | [
"hep-th"
] | V.V.Dodonov, I.M.Dremin, V.I.Man'ko, P.G. Polynkin |
hep-th/9406145 | Dynamical Generation of Spacetime Signature by Massive Quantum Fields on
a Topologically Non-Trivial Background | The effective potential for a dynamical Wick field (dynamical signature)
induced by the quantum effects of massive fields on a topologically non-trivial
$D$ dimensional background is considered. It is shown that when the radius of
the compactified dimension is very small compared with $\Lambda^{1/2}$ (where
$\Lambda$ i... | 1994-06-22 | 2010-04-06 | [
"hep-th"
] | Sergei D. Odintsov, August Romeo and Robin W. Tucker |
hep-th/9406148 | A radiating dyon solution | We give a non-static exact solution of the Einstein-Maxwell equations (with
null fluid), which is a non-static magnetic charge generalization to the
Bonnor-Vaidya solution and describes the gravitational and electromagnetic
fields of a nonrotating massive radiating dyon. In addition, using the
energy-momentum pseudoten... | 1994-06-22 | 2009-10-28 | [
"hep-th",
"astro-ph",
"gr-qc"
] | A. Chamorro and K. S. Virbhadra |
hep-th/9406152 | Dual Supergravity in D=10, N=1 Superspace with Tree-Level Superstring
Corrections | The dual version of the D=10 N=1 supergravity (SUGRA) is considered in the
superspace approach. The superstring (anomaly compensating) corrections are
described by the 3-form superfield $A_{abc}$ . The complete set of dynamical
equations for the $A$-field and for physical fields of the theory are
presented. The solutio... | 1994-06-22 | 2009-10-28 | [
"hep-th"
] | M.V.Terentiev |
hep-th/9406151 | Goldstone Theorem in the Gaussian Functional Approximation to the Scalar
$\phi^{4}$ Theory | We verify the Goldstone theorem in the Gaussian functional approximation to
the $\phi^{4}$ theory with internal O(2) symmetry. We do so by reformulating
the Gaussian approximation in terms of Schwinger-Dyson equations from which an
explicit demonstration of the Goldstone theorem follows directly. | 1994-06-22 | 2009-09-25 | [
"hep-th"
] | V. Dmitra\v{s}inovi\'c, J.R. Shepard and J.A. McNeil |
hep-th/9406150 | Super W-Symmetries, Covariantly Constant Forms And Duality
Transformations | On a supersymmetric sigma model the covariantly constant forms are related to
the conserved currents that are generators of a super W-algebra extending the
superconformal algebra. The existence of covariantly constant forms restricts
the holonomy group of the manifold. Via duality transformation we get new
covariantly ... | 1994-06-22 | 2009-10-28 | [
"hep-th"
] | Byungbae Kim |
hep-th/9406144 | Effective actions with fixed points, (error in derivation of coefficient
corrected) | The specific form of the constant term in the asymptotic expansion of the
heat-kernel on an axially-symmetric space with a codimension two fixed-point
set of conical singularities is used to determine the associated conformal
change of the effective action in four dimensions. Another derivation of the
relevant coeffici... | 1994-06-22 | 2011-07-19 | [
"hep-th",
"gr-qc"
] | J.S.Dowker |
hep-th/9406149 | Bosonic construction of vertex operator para-algebras from symplectic
affine Kac-Moody algebras | The representation theory of affine Kac-Moody Lie algebras has grown
tremendously since their independent introduction by Robert V. Moody and Victor
G. Kac in 1968. Inspired by mathematical structures found by theoretical
physicists, and by the desire to understand the ``monstrous moonshine'' of the
Monster group, the ... | 1994-06-22 | 2009-09-25 | [
"hep-th"
] | Michael D. Weiner |
hep-th/9406135 | The Field Theory Limit of Integrable Lattice Models | The light-cone approach is reviewed. This method allows to find the
underlying quantum field theory for any integrable lattice model in its gapless
regime. The relativistic spectrum and S-matrix follows straightforwardly in
this way through the Bethe Ansatz. We show here how to derive the infinite
number of local commu... | 1994-06-21 | 2009-09-25 | [
"hep-th"
] | H.J. de Vega |
hep-th/9406138 | Frustrating and Diluting Dynamical Lattice Ising Spins | We investigate what happens to the third order ferromagnetic phase transition
displayed by the Ising model on various dynamical planar lattices (ie coupled
to 2D quantum gravity) when we introduce annealed bond disorder in the form of
either antiferromagnetic couplings or null couplings. We also look at the
effect of s... | 1994-06-21 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | D. Johnston |
hep-th/9406134 | Asymptotic normalization properties and mass independent renormalization
group functions | Mass independent renormalization group functions in massive theories are
related to normalization properties of the Green functions in the asymptotic
region, where mass effects are neglected. In this special form the
renormalization group invariance is restricted to the asymptotic region and
consequently mass effects c... | 1994-06-21 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | Elisabeth Kraus |
hep-th/9406137 | Lattice Poincare as a quantum deformed algebra | We propose a definition of a Poincar\'e algebra for a two dimensional
space--time with one discretized dimension. This algebra has the structure of a
Hopf algebra. We use the link between Onsager's uniformization of the Ising
model and the dispersion relation of a free particle in this space--time,
together with the ra... | 1994-06-21 | 2007-05-23 | [
"hep-th"
] | Cesar Gomez, Henri Ruegg, and Philippe Zaugg |
hep-th/9406140 | Geometry of determinants of elliptic operators | This paper is essentially a short version of hep-th/9404046. We compute
multiplicative anomaly det(AB)/(detA detB) =F(A,B) for elliptic
pseudo-differential operators (PDOs) A, B on a closed manifold M in terms of
their symbols. We prove that F(A,B)=1 for elliptic differential operators close
to positive-definite ones o... | 1994-06-21 | 2016-09-06 | [
"hep-th",
"math.DG"
] | Maxim Kontsevich, Simeon Vishik |
hep-th/9406136 | All WZW Mooels in $D\leq5$ | We present here all the real algebras $\cal{A}$ with dim$\cal{A}\leq $5 and
all 6-dimensional nilpotent ones with symmetric, invariant and non-degenerate
metrics for which a WZW model can be constructed.
In three and four dimensions there are no other algebras than the well known
$SU(2)$, $SU(1,1)$, $E_2^c$ and $H_4$... | 1994-06-21 | 2007-05-23 | [
"hep-th"
] | A.A. Kehagias |
hep-th/9406139 | A Remark on the Renormalization Group Equation for the Penner Model | It is possible to extract values for critical couplings and gamma_string in
matrix models by deriving a renormalization group equation for the variation of
the of the free energy as the size N of the matrices in the theory is varied.
In this paper we derive a ``renormalization group equation'' for the Penner
model by d... | 1994-06-21 | 2009-10-28 | [
"hep-th"
] | D. Johnston |
hep-th/9406129 | Strong Connections on Quantum Principal Bundles | A gauge invariant notion of a strong connection is presented and
characterized. It is then used to justify the way in which a global curvature
form is defined. Strong connections are interpreted as those that are induced
from the base space of a quantum bundle. Examples of both strong and non-strong
connections are pro... | 1994-06-20 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Piotr M. Hajac |
hep-th/9406133 | Determinant Representations for Correlation Functions of Spin-1/2 XXX
and XXZ Heisenberg Magnets | We consider correlation functions of the spin-$\half$ XXX and XXZ Heisenberg
chains in a magnetic field. Starting from the algebraic Bethe Ansatz we derive
representations for various correlation functions in terms of determinants of
Fredholm integral operators. | 1994-06-20 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | F.H.L. Essler, H. Frahm, A.G. Izergin, V.E. Korepin |
hep-th/9406131 | Observations on the Topological Structure in 2d Gravity Coupled to
Minimal Matter | By using a bosonization we uncover the topological gravity structure of
Labastida, Pernici and Witten in ordinary $2d$ gravity coupled to $(p,q)$
minimal models. We study the cohomology class associated with the fermionic
charge of the topological gravity which is shown to be isomorphic to that of
the total $BRST$ char... | 1994-06-20 | 2009-10-28 | [
"hep-th"
] | P.M.Llatas and S.Roy |
hep-th/9406132 | Coping With Strongly Coupled String Theory | String theory, if it describes nature, is probably strongly coupled. As a
result, one might despair of making any statements about the theory. In the
framework of a set of clearly spelled out assumptions, we show that this is not
necessarily the case. Certain discrete gauge symmetries, combined with
supersymmetry, tigh... | 1994-06-20 | 2013-11-13 | [
"hep-th",
"hep-ph"
] | T. Banks and M. Dine |
hep-th/9406130 | ``Charge-Dyon" System As The Reduced Oscillator | It is shown, that in the general case the Kustaanheimo-Stiefel transformation
(reduction of $4d$ oscillator on the twistor space by the Hamiltonian action of
$U(1)$ with further time-reparametrization) leads to the integrable system,
describing the interaction of a spinless electrically charged particle with a
dyon . | 1994-06-20 | 2015-06-26 | [
"hep-th"
] | A. Nersessian and V. Ter-Antonian |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.