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/9206049 | Explicit Solution to the N-Body Calogero Problem | We solve the N-body Calogero problem, \ie N particles in 1 dimension subject
to a two-body interaction of the form $\half \sum_{i,j}[ (x_i - x_j)^2 + g/
{(x_i - x_j)^2}]$, by constructing annihilation and creation operators of the
form $ a_i^\mp =\frac 1 {\sqrt 2} (x _i \pm i\hat{p}_i )$, where $\hat{p}_i$ is
a modifie... | 1992-06-11 | 2009-10-22 | [
"hep-th"
] | L. Brink, T.H. Hansson and M.A. Vasiliev |
hep-th/9206051 | Gauged String Actions and O($\tilde{d}$, $\tilde{d}$) Transformation | An O($\tilde{d}$, $\tilde{d}$) transformation is given which relates ungauged
string actions to the gauged ones for a large class of models discussed
recently by Giveon and Rocek. Interestingly, the transformation is background
independent and has a unique matrix representation in a given space-time
dimension. | 1992-06-11 | 2009-10-22 | [
"hep-th"
] | Alok Kumar |
hep-th/9206052 | Staircase Models from Affine Toda Field Theory | We propose a class of purely elastic scattering theories generalising the
staircase model of Al. B. Zamolodchikov, based on the affine Toda field
theories for simply-laced Lie algebras g=A,D,E at suitable complex values of
their coupling constants. Considering their Thermodynamic Bethe Ansatz
equations, we give analyti... | 1992-06-11 | 2015-06-26 | [
"hep-th"
] | Patrick Dorey and Francesco Ravanini |
hep-th/9206050 | A New Approach to Lower Dimensional Gauge Theories | We apply the method of differential renormalization to two and three
dimensional abelian gauge theories. The method is especially well suited for
these theories as the problems of defining the antisymmetric tensor are avoided
and the calculus involved is impressively simple. The topological and dynamical
photon masses ... | 1992-06-11 | 2009-10-22 | [
"hep-th"
] | Ramon Munoz-Tapia |
hep-th/9206048 | Conformally Exact Results for SL(2,R)\times SO(1,1)^{d-2}/SO(1,1) Coset
Models | Using the conformal invariance of the $SL(2,R)\otimes SO(1,1)^{d-2}/SO(1,1)$
coset models we calculate the conformally exact metric and dilaton, to all
orders in the $1/k$ expansion. We consider both vector and axial gauging. We
find that these cosets represent two different space--time geometries: ($2d$
black hole)$\o... | 1992-06-10 | 2009-10-22 | [
"hep-th"
] | Konstadinos Sfetsos |
hep-th/9206042 | Symmetries between Untwisted and Twisted Strings on Asymmetric Orbifolds | We study symmetries between untwisted and twisted strings on asymmetric
orbifolds. We present a list of asymmetric orbifold models to possess
intertwining currents which convert untwisted string states to twisted ones,
and vice versa. We also present a list of heterotic strings on asymmetric
orbifolds with supersymmetr... | 1992-06-10 | 2009-10-22 | [
"hep-th"
] | Y.Imamura, M.Sakamoto, T.Sasada and M.Tabuse |
hep-th/9206041 | S-matrices for Perturbed N=2 Superconformal Field Theory from quantum
groups | S-matrices for integrable perturbations of $N=2$ superconformal field
theories are studied. The models we consider correspond to perturbations of the
coset theory $G_k \times H_{g-h} /H_{k+g-h} $. The perturbed models are closely
related to $\hat G$-affine Toda theories with a background charge tuned to $H$.
Using the ... | 1992-06-10 | 2009-02-23 | [
"hep-th"
] | A. LeClair, D. Nemeschansky and N.P. Warner |
hep-th/9206044 | Conservation Laws and 2D Black Holes in Dilaton Gravity | A very general class of Lagrangians which couple scalar fields to gravitation
and matter in two spacetime dimensions is investigated. It is shown that a
vector field exists along whose flow lines the stress-energy tensor is
conserved, regardless of whether or not the equations of motion are satisfied
or if any Killing ... | 1992-06-10 | 2009-10-22 | [
"hep-th"
] | R.B. Mann |
hep-th/9206046 | Integrable Systems for Particles with Internal Degrees of Freedom | We show that a class of models for particles with internal degrees of freedom
are integrable. These systems are basically generalizations of the models of
Calogero and Sutherland. The proofs of integrability are based on a recently
developed exchange operator formalism. We calculate the wave-functions for the
Calogero-... | 1992-06-10 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | Joseph A. Minahan and Alexios P. Polychronakos |
hep-th/9206047 | Addendum to ``Integrability of Open Spin Chains with Quantum Algebra
Symmetry'' | We show that the quantum-algebra-invariant open spin chains associated with
the affine Lie algebras $A^{(1)}_n$ for $n>1$ are integrable. The argument,
which applies to a large class of other quantum-algebra-invariant chains, does
not require that the corresponding $R$ matrix have crossing symmetry. | 1992-06-10 | 2015-06-26 | [
"hep-th"
] | Luca Mezincescu and Rafael I. Nepomechie |
hep-th/9206043 | One-loop divergences in two-dimensional Maxwell-dilaton quantum gravity | Two-dimensional Maxwell-dilaton quantum gravity, which covers a large family
of the actions for two-dimensional gravity (in particular, string-inspired
models) is investigated. Charged black holes which appear in the theory are
briefly discussed. The one-loop divergences in the linear covariant gauges are
calculated. I... | 1992-06-10 | 2009-09-17 | [
"hep-th"
] | E. Elizalde and S.D. Odintsov |
hep-th/9206045 | Concerning the Double Scaling Limit in the $O(N)$ Vector Model in
Four-Dimensions | The 1/N expansion for the O(N) vector model in four dimensions is
reconsidered. It is emphasized that the effective potential for this model
becomes everywhere complex just at the critical point, which signals an
unstable vacuum. Thus a critical O(N) vector model cannot be consistently
defined in the 1/N expansion for ... | 1992-06-10 | 2015-06-26 | [
"hep-th"
] | Howard J. Schnitzer |
hep-th/9206037 | Geometry and Integrability of Topological-Antitopological Fusion | Integrability of equations of topological-antitopological fusion (being
proposed by Cecotti and Vafa) describing ground state metric on given 2D
topological field theory (TFT) model, is proved. For massive TFT models these
equations are reduced to a universal form (being independent on the given TFT
model) by gauge tra... | 1992-06-09 | 2009-10-22 | [
"hep-th"
] | Boris Dubrovin |
hep-th/9206035 | Renormalization Group Approach to Matrix Models | Matrix models of 2D quantum gravity are either exactly solvable for matter of
central charge $ c\leq 1, $ or not understood. It would be useful to devise an
approximate scheme which would be reasonable for the known cases and could be
carried to the unsolved cases in order to achieve at least a qualitative
understandin... | 1992-06-09 | 2009-10-22 | [
"hep-th"
] | Edouard Br\'ezin and Jean Zinn-Justin |
hep-th/9206038 | A Comment on the Relationship Between Differential and Dimensional
Renormalization | We show that there is a very simple relationship between differential and
dimensional renormalization of low-order Feynman graphs in renormalizable
massless quantum field theories. The beauty of the differential approach is
that it achieves the same finite results as dimensional renormalization without
the need to modi... | 1992-06-09 | 2009-10-22 | [
"hep-th"
] | Gerald Dunne and Nuria Rius |
hep-th/9206040 | Higher Dimensional Classical W-Algebras | Classical $W$-algebras in higher dimensions are constructed. This is achieved
by generalizing the classical Gel'fand-Dickey brackets to the commutative limit
of the ring of classical pseudodifferential operators in arbitrary dimension.
These $W$-algebras are the Poisson structures associated with a higher
dimensional v... | 1992-06-09 | 2009-10-22 | [
"hep-th"
] | Fernando Martinez-Moras and Eduardo Ramos |
hep-th/9206039 | Extended Superconformal Galilean Symmetry in Chern-Simons Matter Systems | We study the nonrelativistic limit of the $N=2$ supersymmetric Chern-Simons
matter system. We show that in addition to Galilean invariance the model admits
a set of symmetries generated by fermionic charges, which can be interpreted as
an {\it extended Galilean supersymmetry }. The system also possesses a hidden
confor... | 1992-06-09 | 2015-06-26 | [
"hep-th"
] | M. Leblanc, G. Lozano and H. Min |
hep-th/9206034 | Spectra in Conformal Field Theories from the Rogers Dilogarithm | We propose a system of functional relations having a universal form connected
to the $U_q(X^{(1)}_r)$ Bethe ansatz equation. Based on the analysis of it, we
conjecture a new sum formula for the Rogers dilogarithm function in terms of
the scaling dimensions of the $X^{(1)}_r$ parafermion conformal field theory. | 1992-06-09 | 2015-06-26 | [
"hep-th"
] | Atsuo Kuniba and Tomoki Nakanishi |
hep-th/9206036 | Polyhedral Cosmic Strings | Quantum field theory is discussed in M\"obius corner kaleidoscopes using the
method of images. The vacuum average of the stress-energy tensor of a free
field is derived and is shown to be a simple sum of straight cosmic string
expressions, the strings running along the edges of the corners. It does not
seem possible to... | 1992-06-09 | 2009-10-22 | [
"hep-th"
] | J.S.Dowker and Peter Chang |
hep-th/9206033 | Cohomological Partition Functions for a Class of Bosonic Theories | We argue, that for a general class of nontrivial bosonic theories the path
integral can be related to an equivariant generalization of conventional
characteristic classes. | 1992-06-08 | 2009-10-22 | [
"hep-th"
] | Antti J. Niemi and O. Tirkkonen |
hep-th/9206031 | Singular Contractions of W-algebras | Many $W$-algebras (e.g. the $W_N$ algebras) are consistent for all values of
the central charge except for a discrete set of exceptional values. We show
that such algebras can be contracted to new consistent degenerate algebras at
these exceptional values of the central charge. | 1992-06-08 | 2015-06-26 | [
"hep-th"
] | C. M. Hull and L. Palacios |
hep-th/9206032 | su(3)k fusion coefficients | A closed and explicit formula for all $\su{(3)}_k$ fusion coefficients is
presented which, in the limit $k \rightarrow \infty$, turns into a simple and
compact expression for the $su(3)$ tensor product coefficients. The derivation
is based on a new diagrammatic method which gives directly both tensor product
and fusion... | 1992-06-08 | 2015-06-26 | [
"hep-th"
] | L. Begin, P. Mathieu and M.A. Walton |
hep-th/9206030 | W algebra, twistor, and nonlinear integrable systems | Small errors are corrected | 1992-06-06 | 2008-02-03 | [
"hep-th"
] | Kanehisa Takasaki |
hep-th/9206026 | Spacetime Scale-Invariance and the Super p-Brane | We generalize to p-dimensional extended objects and type II superstrings a
recently proposed Green-Schwarz type I superstring action in which the tension
$T$ emerges as an integration constant of the equations of motion. The action
is spacetime scale-invariant but its equations of motion are equivalent to
those of the ... | 1992-06-05 | 2010-04-06 | [
"hep-th"
] | E. Bergshoeff, L.A.J London and P.K. Townsend |
hep-th/9206025 | A finite model of two-dimensional ideal hydrodynamics | A finite-dimensional su($N$) Lie algebra equation is discussed that in the
infinite $N$ limit (giving the area preserving diffeomorphism group) tends to
the two-dimensional, inviscid vorticity equation on the torus. The equation is
numerically integrated, for various values of $N$, and the time evolution of an
(interpo... | 1992-06-05 | 2009-10-22 | [
"hep-th"
] | J.S.Dowker and A.Wolski |
hep-th/9206028 | A Cutoff Procedure and Counterterms for Differential Renormalization | Explicit divergences and counterterms do not appear in the differential
renormalization method, but they are concealed in the neglected surface terms
in the formal partial integration procedure used. A systematic real space
cutoff procedure for massless $\phi^4$ theory is therefore studied in order to
test the method a... | 1992-06-05 | 2009-10-08 | [
"hep-th"
] | D.Z.Freedman, K.Johnson, R.Munoz-Tapia, X.Vilasis-Cardona |
hep-th/9206029 | Differential Geometry on Linear Quantum Groups | An exterior derivative, inner derivation, and Lie derivative are introduced
on the quantum group $GL_{q}(N)$. $SL_{q}(N)$ is then found by constructing
matrices with determinant unity, and the induced calculus is found. | 1992-06-05 | 2009-10-22 | [
"hep-th",
"math.QA"
] | Peter Schupp, Paul Watts, and Bruno Zumino |
hep-th/9206027 | Infinite Symmetry in the Quantum Hall Effect | Free planar electrons in a uniform magnetic field are shown to possess the
symmetry of area-preserving diffeomorphisms ($W$-infinity algebra).
Intuitively, this is a consequence of gauge invariance, which forces dynamics
to depend only on the flux. The infinity of generators of this symmetry act
within each Landau leve... | 1992-06-05 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | A. Cappelli, C. A. Trugenberger and G. R. Zemba |
hep-th/9206020 | Black Hole Physics from Liouville Theory | In a previous paper it was shown that the quantum consistency conditions for
the dilaton-gravity theory of Callan et al., imply that the cosmological
constant term undergoes a dilaton dependent renormalization, in such a manner
that the theory can be written as a Liouville-like theory. In this paper we
discuss the phys... | 1992-06-04 | 2009-10-22 | [
"hep-th"
] | S. P. de Alwis |
hep-th/9206022 | Gravitation \& Cosmology in $(1+1)$-dimensional Dilaton Gravity | The properties of a string-inspired two-dimensional theory of gravity are
studied. The post-Newtonian and weak-field approximations, `stellar' structure
and cosmological solutions of this theory are developed. Some qualitative
similarities to general relativity are found, but there are important
differences. | 1992-06-04 | 2009-10-22 | [
"hep-th"
] | R.B. Mann and S.F. Ross |
hep-th/9206019 | Transmutation of Pure 2-D Supergravity Into Topological 2-D Gravity and
Other Conformal Theories | We consider the BRST and superconformal properties of the ghost action of 2-D
supergravity. Using the background spin structure on the worldsheet, we show
that this action can be transformed by canonical field transformations to reach
other conformal models such as the 2-D topological gravity or the chiral models
for w... | 1992-06-04 | 2009-10-22 | [
"hep-th"
] | Laurent Baulieu |
hep-th/9206018 | Dilaton-Axion hair for slowly rotating Kerr black holes | Campbell et al. demonstrated the existence of axion ``hair'' for Kerr black
holes due to the non-trivial Lorentz Chern-Simons term and calculated it
explicitly for the case of slow rotation. Here we consider the dilaton coupling
to the axion field strength, consistent with low energy string theory and
calculate the dil... | 1992-06-04 | 2009-10-22 | [
"hep-th"
] | S. Mignemi and N. R. Stewart |
hep-th/9206021 | Classical Chern-Simons theory, Part 1 | There is a large mathematical literature on classical mechanics and field
theory, especially on the relationship to symplectic geometry. One might think
that the classical Chern-Simons theory, which is topological and so has
vanishing hamiltonian, is completely trivial. However, this theory exhibits
interesting geometr... | 1992-06-04 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Daniel S. Freed |
hep-th/9206023 | On String Field Theory and Effective Actions | A truncation of string field theory is compared with the duality invariant
effective action of $D=4, N=4$ heterotic strings to cubic order. The three
string vertex must satisfy a set of compatibility conditions. Any cyclic three
string vertex is compatible with the $D=4, N=4$ effective field theory. The
effective actio... | 1992-06-04 | 2009-10-22 | [
"hep-th"
] | Amit Giveon |
hep-th/9206024 | The 2-Dimensional Quantum Euclidean Algebra | The algebra dual to Woronowicz's deformation of the 2-\-di\-men\-sion\-al
Euclidean group is constructed. The same algebra is obtained from $SU_{q}(2)$
via contraction on both the group and algebra levels. | 1992-06-04 | 2009-10-22 | [
"hep-th"
] | Peter Schupp, Paul Watts, and Bruno Zumino |
hep-th/9206013 | Quantum and super-quantum group related to the Alexander-Conway
polynomial | We describe the quasitriangular structure (universal $R$-matrix) on the
non-standard quantum group $U_q(H_1,H_2,X^\pm)$ associated to the
Alexander-Conway matrix solution of the Yang-Baxter equation. We show that this
Hopf algebra is connected with the super-Hopf algebra $U_qgl(1|1)$ by a general
process of superizatio... | 1992-06-03 | 2009-10-22 | [
"hep-th"
] | Shahn Majid and M.J Rodriguez-Plaza |
hep-th/9206016 | Macroscopic Charged Heterotic String | Classical solutions of equations of motion in low energy effective field
theory, describing fundamental charged heterotic string, are found. These
solutions automatically carry an electric current equal to the charge per unit
length, and hence are accompanied by both, electric and magnetic fields. Force
between two par... | 1992-06-03 | 2009-09-15 | [
"hep-th"
] | Ashoke Sen |
hep-th/9206015 | Induced QCD at Large N | We propose and study at large N a new lattice gauge model , in which the
Yang-Mills interaction is induced by the heavy scalar field in adjoint
representation. At any dimension of space and any $ N $ the gauge fields can be
integrated out yielding an effective field theory for the gauge invariant
scalar field, correspo... | 1992-06-03 | 2009-10-22 | [
"hep-th"
] | V.A. Kazakov and A.A. Migdal |
hep-th/9206014 | Discrete States of 2D String Theory in Polyakov's Light-Cone Gauge | We find the discrete states of the c=1 string in the light-cone gauge of
Polyakov. When the state space of the gravitational sector of the theory is
taken to be the irreducible representations of the SL(2,R) current algebra, the
cohomology of the theory is NOT the same as that in the conformal gauge. In
particular, sta... | 1992-06-03 | 2009-09-29 | [
"hep-th"
] | Neil Marcus and Yaron Oz |
hep-th/9206012 | Discrete States in Two-Dimensional Quantum Gravity | Minor misprints corrected. | 1992-06-03 | 2008-02-03 | [
"hep-th"
] | Nobuyoshi Ohta |
hep-th/9206017 | Symmetries of String Effective Action and Space-Time Geometry | Two dimensional charged black hole solution is obtained by implementing an
$O(2,2)$ transformation on the three dimensional black string solution. Two
different monopole backgrounds in five dimensions are related through an
$O(2,2)$ transformation. It has been shown in these examples that the
particular $O(2,2)$ transf... | 1992-06-02 | 2007-05-23 | [
"hep-th"
] | S. Pratik Khastgir and Jnanadeva Maharana |
hep-th/9206010 | Index Theorems and Loop Space Geometry | We investigate the evaluation of the Dirac index using symplectic geometry in
the loop space of the corresponding supersymmetric quantum mechanical model. In
particular, we find that if we impose a simple first class constraint, we can
evaluate the Callias index of an odd dimensional Dirac operator directly from
the qu... | 1992-06-02 | 2009-10-22 | [
"hep-th"
] | A. Hietamaki and A.J. Niemi |
hep-th/9206009 | Quantum Liouville Theory On The Riemann Sphere With $n>3$ Punctures | We have studied the quantum Liouville theory on the Riemann sphere with n>3
punctures. While considering the theory on the Riemann surfaces with n=4
punctures, the quantum theory near an arbitrary but fixed puncture can be
obtained via canonical quantization and an extra symmetry is explored. While
considering more tha... | 1992-06-02 | 2009-10-22 | [
"hep-th"
] | Jin-Min Shen, Zheng-Mao Sheng, Zhong-Hau Wang |
hep-th/9206008 | Modular Invariants of $N=2$ Supersymmetric $SU(1,1)$ Models | We study the modular invariance of $N=2$ superconformal $SU(1,1)$ models. By
decomposing the characters of Kazama-Suzuki model $SU(3)/(SU(2)\times U(1))$
into an infinite sum of the characters of $(SU(1,1)/U(1))\times U(1)$ we
construct modular invariant partition functions of $(SU(1,1)/U(1))\times U(1)$. | 1992-06-02 | 2009-10-22 | [
"hep-th"
] | Katri Huitu |
hep-th/9206007 | Chern-Simons Theory as the Large Mass Limit of Topologically Massive
Yang-Mills Theory | We study quantum Chern-Simons theory as the large mass limit of the limit
$D\to 3$ of dimensionally regularized topologically massive Yang-Mills theory.
This approach can also be interpreted as a BRS-invariant hybrid regularization
of Chern-Simons theory, consisting of a higher-covariant derivative Yang-Mills
term plus... | 1992-06-02 | 2014-11-18 | [
"hep-th"
] | G. Giavarini, C.P. Martin, F. Ruiz Ruiz |
hep-th/9206006 | Conformally Exact Metric and Dilaton in String Theory on Curved
Spacetime | Using a Hamiltonian approach to gauged WZW models, we present a general
method for computing the conformally exact metric and dilaton, to all orders in
the $1/k$ expansion, for any bosonic, heterotic, or type-II superstring model
based on a coset $G/H$. We prove the following relations: (i) For type-II
superstrings the... | 1992-06-02 | 2013-11-13 | [
"hep-th"
] | I. Bars and K. Sfetsos |
hep-th/9206011 | Zamolodchikov's c-function for the Chiral Gross-Neveu Model | We construct the Zamolodchikov's c-function for the Chiral Gross-Neveu Model
up to two loops. We show that the c-function interpolates between the two known
critical points of the theory, it is stationary at them and it decreases with
the running coupling constant. In particular one can infer the non-existence of
addit... | 1992-06-02 | 2009-10-22 | [
"hep-th"
] | Daniel C. Cabra |
hep-th/9206002 | Affine Solitons: A Relation Between Tau Functions, Dressing and
B\"acklund Transformations | We reconsider the construction of solitons by dressing transformations in the
sine-Gordon model. We show that the $N$-soliton solutions are in the orbit of
the vacuum, and we identify the elements in the dressing group which allow us
to built the $N$-soliton solutions from the vacuum solution. The dressed
$\tau$-functi... | 1992-06-01 | 2008-11-26 | [
"hep-th"
] | Olivier Babelon, Denis Bernard |
hep-th/9206005 | Vacuum Expectation Values of Products of Chiral Currents in $3+1$
Dimensions | An algebraic rule is presented for computing expectation values of products
of local nonabelian charge operators for fermions coupled to an external vector
potential in $3+1$ space-time dimensions. The vacuum expectation value of a
product of four operators is closely related to a cyclic cocycle in
noncommutative geome... | 1992-06-01 | 2009-10-22 | [
"hep-th"
] | Jouko Mickelsson |
hep-th/9206001 | q--Magnetism at roots of unity | We study the thermodynamic properties of a family of integrable 1D spin chain
hamiltonians associated with quantum groups at roots of unity. These
hamiltonians depend for each primitive root of unit on a parameter $s$ which
plays the role of a continuous spin. The model exhibits ferrimagnetism even
though the interacti... | 1992-06-01 | 2019-06-05 | [
"hep-th"
] | A. Berkovich, G. Sierra and C. Gomez |
hep-th/9206003 | From Form Factors to Correlation Functions: The Ising Model | Using exact expressions for the Ising form factors, we give a new very simple
proof that the spin-spin and disorder-disorder correlation functions are
governed by the Painlev\'e III non linear differential equation. We also show
that the generating function of the correlation functions of the descendents of
the spin an... | 1992-06-01 | 2008-11-26 | [
"hep-th"
] | Olivier Babelon, Denis Bernard |
hep-th/9206004 | Nonperturbative Stability of Supergravity and Superstring Vacua | We investigate the possibility of false vacuum decay in $N=1$ supergravity
theories. By establishing a Bogomol'nyi bound for the energy density stored in
the domain wall of the $O(4)$ invariant bubble, we show that supersymmetric
vacua remain absolutely stable against false vacuum decay into another
supersymmetric vacu... | 1992-06-01 | 2009-09-17 | [
"hep-th"
] | Mirjam Cvetic, Stephen Griffies, and Soo-Jong Rey |
hep-th/9205116 | The Edge States of the BF System and the London Equations | It is known that the 3d Chern-Simons interaction describes the scaling limit
of a quantum Hall system and predicts edge currents in a sample with boundary,
the currents generating a chiral $U(1)$ Kac-Moody algebra. It is no doubt also
recognized that in a somewhat similar way, the 4d $BF$ interaction (with $B$ a
two fo... | 1992-05-30 | 2015-06-26 | [
"hep-th"
] | A.P. Balachandran and P. Teotonio-Sobrinho |
hep-th/9205117 | An Infinite Number of Commuting Quantum $\hat{W}_{\infty}$ Charges in
the $SL(2,R)/U(1)$ Coset Model | The conformal non-compact $SL(2,R)/U(1)$ coset model in two dimensions has
been recently shown to embody a nonlinear $\hat{W}_\infty$ current algebra,
consisting of currents of spin $\geq 2$ including the energy-momentum tensor.
In this letter we explicitly construct an infinite set of commuting quantum
$\hat{W}_\infty... | 1992-05-30 | 2015-06-26 | [
"hep-th"
] | Feng Yu and Yong-Shi Wu |
hep-th/9205115 | Self-Dual Chern-Simons Higgs Systems with an N=3 Extended Supersymmetry | We construct and study an N=3 supersymmetric Chern-Simons Higgs theory. This
theory is the maximally supersymmetric one containing the self-dual models with
a single gauge field and no gravity. | 1992-05-30 | 2009-10-22 | [
"hep-th"
] | Hsien-Chung Kao and Kimyeong Lee |
hep-th/9205114 | Information Loss and Anomalous Scattering | The approach of 't Hooft to the puzzles of black hole evaporation can be
applied to a simpler system with analogous features. The system is $1+1$
dimensional electrodynamics in a linear dilaton background. Analogues of black
holes, Hawking radiation and evaporation exist in this system. In perturbation
theory there app... | 1992-05-30 | 2009-10-07 | [
"hep-th"
] | Amanda Peet, Leonard Susskind and Larus Thorlacius |
hep-th/9205109 | On Integrable Quantum Group Invariant Antiferromagnets | A new open spin chain hamiltonian is introduced. It is both integrable
(Sklyanin`s type $K$ matrices are used to achieve this) and invariant under
${\cal U}_{\epsilon}(sl(2))$ transformations in nilpotent irreps for
$\epsilon^3=1$. Some considerations on the centralizer of nilpotent
representations and its representati... | 1992-05-29 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | R. Cuerno, G. Sierra and C. Gomez |
hep-th/9205113 | Low-Lying States of the Six-Dimensional Fractional Superstring | The $K=4$ fractional superstring Fock space is constructed in terms of
$\bZ_4$ parafermions and free bosons. The bosonization of the $\bZ_4$
parafermion theory and the generalized commutation relations satisfied by the
modes of various parafermion fields are reviewed. In this preliminary analysis,
we describe a Fock sp... | 1992-05-29 | 2010-11-01 | [
"hep-th"
] | P.C. Argyres, E. Lyman, and S.-H.H. Tye |
hep-th/9205108 | Exact Solutions in Bosonic and Heterotic String Theory | We review some exact solitonic solutions of string theory with
higher-membrane structure. These include an axionic instanton solution of
bosonic string theory as well as multi-instanton and multimonopole solutions of
heterotic string theory. The heterotic solutions reveal some interesting
aspects of string theory as a ... | 1992-05-29 | 2007-05-23 | [
"hep-th"
] | Ramzi R. Khuri |
hep-th/9205110 | The $\tau$-function of the universal Whitham hierarchy, matrix models
and topological field theories | The universal Witham hierarchy is considered from the point of view of
topological field theories. The $\tau$-function for this hierarchy is defined.
It is proved that the algebraic orbits of Whitham hierarchy can be identified
with various topological matter models coupled with topological gravity. | 1992-05-29 | 2008-11-26 | [
"hep-th"
] | I.M.Krichever |
hep-th/9205111 | Extended form method of antifield-BRST formalism for BF theories | The Batalin-Vilkovisky antifield action for the BF theories is constructed by
means of the extended form method. The BRST invariant BV antifield action is
directly written down by making use of the extended forms that involve all the
required ghosts and antifields. | 1992-05-29 | 2015-06-26 | [
"hep-th"
] | Hitoshi Ikemori |
hep-th/9205112 | The Global Problem of Time | Time does not obviously appear amongst the coordinates on the constrained
phase space of general relativity in the Hamiltonian formulation. Recent work
in finite-dimensional models claims that topological obstructions generically
make the global definition of time impossible. It is shown here that a time
coordinate can... | 1992-05-29 | 2007-05-23 | [
"hep-th"
] | Arlen Anderson |
hep-th/9205102 | Light Cone $W_n$ Geometry and its Symmetries and Projective Field Theory | I show that the generalized Beltrami differentials and projective connections
which appear naturally in induced light cone $W_n$ gravity are geometrical
fields parametrizing in one-to-one fashion generalized projective structures on
a fixed base Riemann surface. I also show that $W_n$ symmetries are nothing but
gauge t... | 1992-05-28 | 2010-04-06 | [
"hep-th"
] | Roberto Zucchini |
hep-th/9205105 | The KdV Action and Deformed Minimal Models | An action is constructed that gives an arbitrary equation in the KdV or MKdV
hierarchies as equation of motion; the second Hamiltonian structure of the KdV
equation and the Hamiltonian structure of the MKdV equation appear as Poisson
bracket structures derived from this action. Quantization of this theory can be
carrie... | 1992-05-28 | 2008-02-03 | [
"hep-th"
] | Jeremy Schiff |
hep-th/9205104 | Universal Bundle, Generalized Russian Formula and Non-Abelian Anomaly in
Topological Yang-Mills Theory | We re-examine the geometry and algebraic structure of BRST's of Topological
Yang-Mills theory based on the universal bundle formalism of Atiyah and Singer.
This enables us to find a natural generalization of the {\it Russian formula
and descent equations\/}, which can be used as algebraic method to find the
non-Abelian... | 1992-05-28 | 2008-02-03 | [
"hep-th"
] | Jae-Suk Park |
hep-th/9205107 | The Origin of Space-Time as $W$ Symmetry Breaking in String Theory | Physics in the neighbourhood of a space-time metric singularity is described
by a world-sheet topological gauge field theory which can be represented as a
twisted $N=2$ superconformal Wess-Zumino model with a $W_{1+\infty} \otimes
W_{1+\infty} $ bosonic symmetry. The measurable $W$-hair associated with the
singularity ... | 1992-05-28 | 2009-09-11 | [
"hep-th"
] | John Ellis, N.E. Mavromatos and D.V. Nanopoulos |
hep-th/9205103 | Gauge theories of quantum groups | We find two different q-generalizations of Yang-Mills theories. The
corresponding lagrangians are invariant under the q-analogue of infinitesimal
gauge transformations. We explicitly give the lagrangian and the transformation
rules for the bicovariant q-deformation of $SU(2) \times U(1)$. The gauge
potentials satisfy q... | 1992-05-28 | 2009-10-22 | [
"hep-th"
] | Leonardo Castellani |
hep-th/9205101 | Interactions of Discrete States with Nonzero Ghost Number \\ in $c=1$
$2D$ Gravity | We study the interactions of the discrete states with nonzero ghost number in
$c=1$ two-dimensional ($2D$) quantum gravity. By using the vertex operator
representations, it is shown that their interactions are given by the structure
constants of the group of the area preserving diffeomorphism similar to those
of vanish... | 1992-05-28 | 2015-06-26 | [
"hep-th"
] | Nobuyoshi Ohta and Hisao Suzuki |
hep-th/9205096 | Thermal history of the string universe | Thermal history of the string universe based on the Brandenberger and Vafa's
scenario is examined. The analysis thereby provides a theoretical foundation of
the string universe scenario. Especially the picture of the initial oscillating
phase is shown to be natural from the thermodynamical point of view. A new tool
is ... | 1992-05-27 | 2009-10-22 | [
"hep-th"
] | H. Cateau & K. Sumiyoshi |
hep-th/9205089 | Liouville Models of Black Hole Evaporation | We construct new theories of dilation gravity coupled to conformal matter
which are exact $c=26$ conformal field theories and presumably consistent
frameworks for discussing black hole physics in two dimensions. They differ
from the CGHS equations in the precise dilaton dependence of the cosmological
constant. A furthe... | 1992-05-27 | 2009-10-22 | [
"hep-th"
] | Adel Bilal and Curtis Callan |
hep-th/9205097 | The One-Loop Five-Graviton Scattering Amplitude and Its Low-Energy Limit | A covariant path integral calculation of the even spin structure contribution
to the one-loop N-graviton scattering amplitude in the type-II superstring
theory is presented. The apparent divergence of the $N=5$ amplitude is resolved
by separating it into twelve independent terms corresponding to different
orders of ins... | 1992-05-27 | 2015-06-26 | [
"hep-th"
] | J. Lee Montag |
hep-th/9205098 | Matching Conditions and Gravitational Collapse in Two-Dimensional
Gravity | The general theory of matching conditions is developed for gravitational
theories in two spacetime dimensions. Models inspired from general relativity
and from string theory are considered. These conditions are used to study
collapsing dust solutions in spacetimes with non-zero cosmological constant,
demonstrating how ... | 1992-05-27 | 2010-04-06 | [
"hep-th"
] | R.B. Mann and S.F. Ross |
hep-th/9205100 | A note on the 3D Ising model as a string theory | It has long been argued that the continuum limit of the 3D Ising model is
equivalent to a string theory. Unfortunately, in the usual starting point for
this equivalence -- a certain lattice theory of surfaces -- it is not at all
obvious how to take the continuum limit. In this note, I reformulate the
lattice theory of ... | 1992-05-27 | 2009-10-22 | [
"hep-th",
"cond-mat",
"hep-lat"
] | J. Distler |
hep-th/9205099 | Chern-Simons Forms, Mickelsson-Faddeev Algebras and the P-Branes | In string theory, nilpotence of the BRS operator $\d$ for the string
functional relates the Chern-Simons term in the gauge-invariant antisymmetric
tensor field strength to the central term in the Kac-Moody algebra. We
generalize these ideas to p-branes with odd p and find that the Kac-Moody
algebra for the string becom... | 1992-05-27 | 2008-11-26 | [
"hep-th"
] | J. A. Dixon and M. J. Duff |
hep-th/9205095 | About some exact solutions for 2+1 gravity coupled to gauge fields | Some exact static solutions for Einstein gravity in 2+1 dimensions coupled to
abelian gauge field are discussed. Some of these solutions are
three-dimensional analogs of the Schwarzschild black holes. The metrics in the
regions inside and outside the horison are connected by the changing of the
Planck mass sign. | 1992-05-26 | 2009-10-22 | [
"hep-th"
] | Ian I. Kogan |
hep-th/9205090 | Topological Lattice Models in Four Dimensions | We define a lattice statistical model on a triangulated manifold in four
dimensions associated to a group $G$. When $G=SU(2)$, the statistical weight is
constructed from the $15j$-symbol as well as the $6j$-symbol for recombination
of angular momenta, and the model may be regarded as the four-dimensional
version of the... | 1992-05-26 | 2009-09-17 | [
"hep-th",
"hep-lat"
] | Hirosi Ooguri |
hep-th/9205093 | Induced (N,0) supergravity as a constrained Osp(N,2) WZWN model and its
effective action | A chiral $(N,0) $ supergravity theory in d=2 dimensions for any $N$ and its
induced action can be obtained by constraining the currents of an Osp(N$|$2)
WZWN model. The underlying symmetry algebras are the nonlinear SO(N)
superconformal algebras of Knizhnik and Bershadsky. The case $N=3$ is worked
out in detail. We sho... | 1992-05-26 | 2009-10-22 | [
"hep-th"
] | G.W. Delius, M.T. Grisaru and P. van Nieuwenhuizen |
hep-th/9205092 | Gauge Invariance for Generally Covariant Systems | Previous analyses on the gauge invariance of the action for a generally
covariant system are generalized. It is shown that if the action principle is
properly improved, there is as much gauge freedom at the endpoints for an
arbitrary gauge system as there is for a system with ``internal'' gauge
symmetries. The key poin... | 1992-05-26 | 2009-10-22 | [
"hep-th"
] | Marc Henneaux, Claudio Teitelboim, J. David Vergara |
hep-th/9205087 | Differential Calculus on the Quantum Superspace and Deformation of Phase
Space | We investigate non-commutative differential calculus on the supersymmetric
version of quantum space where the non-commuting super-coordinates consist of
bosonic as well as fermionic (Grassmann) coordinates. Multi-parametric quantum
deformation of the general linear supergroup, $GL_q(m|n)$, is studied and the
explicit f... | 1992-05-26 | 2009-10-22 | [
"hep-th"
] | Tatsuo Kobayashi and Tsuneo Uematsu |
hep-th/9205088 | Geometry of Batalin-Vilkovisky quantization | The present paper is devoted to the study of geometry of Batalin-Vilkovisky
quantization procedure. The main mathematical objects under consideration are
P-manifolds and SP-manifolds (supermanifolds provided with an odd symplectic
structure and, in the case of SP-manifolds, with a volume element). The
Batalin-Vilkovisk... | 1992-05-26 | 2009-10-22 | [
"hep-th"
] | Albert Schwarz |
hep-th/9205094 | Running Gauge Couplings and Thresholds in the Type II Superstring | A distinctive feature of string unification is the possibility of unification
by a non-simply-laced group. This occurs most naturally in four dimensional
type~II string models where the gauge symmetry is realized by Kac-Moody
algebras at different levels. We investigate the running coupling constants and
the one-loop t... | 1992-05-26 | 2010-11-15 | [
"hep-th"
] | L. Dolan and James T. Liu |
hep-th/9205106 | Matrix Model for Discretized Moduli Space | We study the algebraic geometrical background of the Penner--Kontsevich
matrix model with the potential $N\alpha \tr {\bigl(- \fr 12 \L X\L X +\log
(1-X)+X\bigr)}$. We show that this model describes intersection indices of
linear bundles on the discretized moduli space right in the same fashion as the
Kontsevich model ... | 1992-05-26 | 2009-10-22 | [
"hep-th"
] | L.Chekhov |
hep-th/9205091 | Monopoles and Instantons in String Theory | In recent work, several classes of solitonic solutions of string theory with
higher-membrane structure have been obtained. These solutions can be classified
according to the symmetry possessed by the solitons in the subspace of the
spacetime transverse to the membrane. Solitons with four-dimensional spherical
symmetry ... | 1992-05-26 | 2009-10-22 | [
"hep-th"
] | Ramzi R. Khuri |
hep-th/9205086 | Fractional Superspace Formulation of Generalized Super-Virasoro Algebras | We present a fractional superspace formulation of the centerless
parasuper-Viraso-ro and fractional super-Virasoro algebras. These are two
different generalizations of the ordinary super-Virasoro algebra generated by
the infinitesimal diffeomorphisms of the superline. We work on the fractional
superline parametrized by... | 1992-05-26 | 2009-10-22 | [
"hep-th"
] | Stephane Durand |
hep-th/9205085 | Composite Operators in QCD | We give a formula for the derivatives of a correlation function of composite
operators with respect to the parameters (i.e., the strong fine structure
constant and the quark mass) of QCD in four-dimensional euclidean space. The
formula is given as spatial integration of the operator conjugate to a
parameter. The operat... | 1992-05-25 | 2009-10-22 | [
"hep-th"
] | Hidenori Sonoda |
hep-th/9205084 | Operator Coefficients for Composite Operators in the $(\phi^4)_4$ Theory | In a previous paper we derived a relation between the operator product
coefficients and anomalous dimensions. We explore this relation in the
$(\phi^4)_4$ theory and compute the coefficient functions in the products of
$\phi^2$ and $\phi^4$ to first order in the parameter $\lambda$. The
calculation results in two-loop ... | 1992-05-25 | 2009-10-22 | [
"hep-th"
] | Hidenori Sonoda |
hep-th/9205083 | Solitons reduced from Heterotic fivebranes | In view of the expectation that the solitonic sector of the lower dimensional
world may be originated from the solitonic sector of string theory, various
solitonic solutions are reduced from the heterotic fivebrane solutions in the
ten-dimensional heterotic string theory. These solitons in principle can appear
after pr... | 1992-05-25 | 2007-05-23 | [
"hep-th"
] | HoSeong La |
hep-th/9205082 | Simple-Current Symmetries, Rank-Level Duality, and Linear Skein
Relations for Chern-Simons Graphs | A previously proposed two-step algorithm for calculating the expectation
values of Chern-Simons graphs fails to determine certain crucial signs. The
step which involves calculating tetrahedra by solving certain non- linear
equations is repaired by introducing additional linear equations. As a first
step towards a new a... | 1992-05-24 | 2009-10-22 | [
"hep-th"
] | Stephen G. Naculich, Harold A. Riggs, and Howard J. Schnitzer |
hep-th/9205081 | A Heterotic Multimonopole Solution | An exact multimonopole solution of heterotic string theory is presented. The
solution is constructed by a modification of the 't Hooft ansatz for a
four-dimensional instanton. An analogous solution in Yang-Mills field theory
saturates a Bogomoln'yi bound and possesses the topology and far field limit of
a multimonopole... | 1992-05-23 | 2009-10-22 | [
"hep-th"
] | Ramzi R. Khuri |
hep-th/9205079 | Duality of string amplitudes in a curved background | We initiate a program to study the relationship between the target space, the
spectrum and the scattering amplitudes in string theory. We consider scattering
amplitudes following from string theory and quantum field theory on a curved
target space, which is taken to be the $SU(2)$ group manifold, with special
attention... | 1992-05-22 | 2010-11-01 | [
"hep-th"
] | M{\aa}ns Henningson |
hep-th/9205080 | Canonical Transformations in Quantum Mechanics | Three elementary canonical transformations are shown both to have quantum
implementations as finite transformations and to generate, classically and
infinitesimally, the full canonical algebra. A general canonical transformation
can, in principle, be realized quantum mechanically as a product of these
transformations. ... | 1992-05-22 | 2008-02-03 | [
"hep-th"
] | Arlen Anderson |
hep-th/9205078 | Four Dimensional 2-Brane Solution in Chiral Gauged Wess-Zumino-Witten
Model | An exact conformal field theory describing a four dimensional 2-brane
solution is found by considering a chiral gauged Wess-Zumino -Witten theory
corresponding to $SL(2, R)\times R$ , where one gauges the one dimensional
$U(1)$ subgroup together with a translation in $R$. The backgrounds for string
propagation are expl... | 1992-05-21 | 2015-06-26 | [
"hep-th"
] | Swapna Mahapatra |
hep-th/9205075 | The N=2(4) string is self-dual N=4 Yang-Mills | N=2 string amplitudes, when required to have the Lorentz covariance of the
equivalent N=4 string, describe a self-dual form of N=4 super Yang-Mills in 2+2
dimensions. Spin-independent couplings and the ghost nature of SO(2,2)
spacetime make it a topological-like theory with vanishing loop corrections. | 1992-05-20 | 2015-06-26 | [
"hep-th"
] | W. Siegel |
hep-th/9205077 | Edge Currents and Vertex Operators for Chern-Simons Gravity | We apply elementary canonical methods for the quantization of 2+1 dimensional
gravity, where the dynamics is given by E. Witten's $ISO(2,1)$ Chern-Simons
action. As in a previous work, our approach does not involve choice of gauge or
clever manipulations of functional integrals. Instead, we just require the
Gauss law c... | 1992-05-20 | 2015-06-26 | [
"hep-th"
] | G. Bimonte, K. S. Gupta, A. Stern |
hep-th/9205071 | Novel Symmetry of Non-Einsteinian Gravity in Two Dimensions | The integrability of $R^2$-gravity with torsion in two dimensions is traced
to an ultralocal dynamical symmetry of constraints and momenta in Hamiltonian
phase space. It may be interpreted as a quadratically deformed
$iso(2,1)$-algebra with the deformation consisting of the Casimir operators of
the undeformed algebra. ... | 1992-05-20 | 2011-07-19 | [
"hep-th"
] | H. Grosse, W. Kummer, P. Pre\v{s}najder and D.J. Schwarz |
hep-th/9205073 | Non-perturbative 2d quantum gravity and hamiltonians unbounded from
below | We show how the stochastic stabilization provides both the weak coupling
genus expansion and a strong coupling expansion of 2d quantum gravity. The
double scaling limit is described by a hamiltonian which is unbounded from
below, but which has a discrete spectrum. | 1992-05-20 | 2015-06-26 | [
"hep-th"
] | J. Ambjorn and C.F. Kristjansen |
hep-th/9205076 | The Critical Point of Unoriented Random Surfaces with a Non-Even
Potential | The discrete model of the real symmetric one-matrix ensemble is analyzed with
a cubic interaction. The partition function is found to satisfy a recursion
relation that solves the model. The double-scaling limit of the recursion
relation leads to a Miura transformation relating the contributions to the free
energy comin... | 1992-05-20 | 2016-08-14 | [
"hep-th"
] | M.A. Mart\'in-Delgado |
hep-th/9205072 | Meromorphic c=24 Conformal Field Theories | Modular invariant conformal field theories with just one primary field and
central charge $c=24$ are considered. It has been shown previously that if the
chiral algebra of such a theory contains spin-1 currents, it is either the
Leech lattice CFT, or it contains a Kac-Moody sub-algebra with total central
charge 24. In ... | 1992-05-20 | 2009-10-22 | [
"hep-th"
] | A. N. Schellekens |
hep-th/9205074 | Symmetries and Motions in Manifolds | In these lectures the relations between symmetries, Lie algebras, Killing
vectors and Noether's theorem are reviewed. A generalisation of the basic ideas
to include velocity-dependend co-ordinate transformations naturally leads to
the concept of Killing tensors. Via their Poisson brackets these tensors
generate an {\em... | 1992-05-20 | 2011-04-15 | [
"hep-th",
"math-ph",
"math.MP"
] | J. W. van Holten and R. H. Rietdijk |
hep-th/9205066 | Topological 2-form Gravity in Four Dimensions | A kind of topological field theory is proposed as a candidate to describe the
global structure of the 2-form Einstein gravity with or without a cosmological
constant. Indeed in the former case, we show that a quantum state in the
candidate gives an exact solution of the Wheeler-DeWitt equation. The BRST
quantization ba... | 1992-05-19 | 2009-10-22 | [
"hep-th"
] | H.Y. Lee, A. Nakamichi and T. Ueno |
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