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/9301121 | New Modular Hopf Algebras related to rational $k$ $\widehat {sl(2)}$ | We show that the Hopf link invariants for an appropriate set of finite
dimensional representations of $ U_q SL(2)$ are identical, up to overall
normalisation, to the modular S matrix of Kac and Wakimoto for rational $k$
$\widehat {sl(2)}$ representations. We use this observation to construct new
modular Hopf algebras, ... | 1993-01-29 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Sanjaye Ramgoolam |
hep-th/9301117 | Analysis of Abelian Gauge Theory with Four Fermi Interaction at
$O(1/N^2)$ in Arbitrary Dimensions | An arbitrary dimensional expression is given for the anomalous dimension of
the fermion field in a model with a four point interaction and a $U(1)$ gauge
field, at $O(1/N^2)$ within a large flavour expansion in the Landau gauge. | 1993-01-28 | 2009-10-22 | [
"hep-th"
] | J.A. Gracey |
hep-th/9301118 | Generalized Fusion Potentials | Recently, DiFrancesco and Zuber have characterized the RCFTs which have a
description in terms of a fusion potential in one variable, and proposed a
generalized potential to describe other theories. In this note we give a simple
criterion to determine when such a generalized description is possible. We also
determine w... | 1993-01-28 | 2009-09-29 | [
"hep-th"
] | Ofer Aharony |
hep-th/9301119 | Hamiltonian Approach to 2D Dilaton-Gravities and Invariant Adm Mass | The formula existing in the literature for the ADM mass of 2D dilaton gravity
is incomplete. For example, in the case of an infalling matter shockwave this
formula fails to give a time-independent mass, unless a very special coordinate
system is chosen. We carefully carry out the canonical formulation of 2D
dilaton gra... | 1993-01-28 | 2009-10-22 | [
"hep-th",
"gr-qc"
] | A. Bilal and I. Kogan |
hep-th/9301120 | Edge States in 4D and their 3D Groups and Fields | It is known that the Lagrangian for the edge states of a Chern-Simons theory
describes a coadjoint orbit of a Kac-Moody (KM) group with its associated
Kirillov symplectic form and group representation. It can also be obtained from
a chiral sector of a nonchiral field theory. We study the edge states of the
abelian $BF$... | 1993-01-28 | 2015-06-26 | [
"hep-th"
] | A.P. Balachandran, G. Bimonte and P. Teotonio-Sobrinho |
hep-th/9301113 | Gauge Independent Critical Exponents for QED Coupled to a Four Fermi
Interaction with and without a Chern Simons Term | We apply the self consistency method for determining critical exponents to a
model with a four fermi interaction coupled to QED and compute various gauge
independent exponents in arbitrary dimensions in the large $N$ expansion at
$O(1/N)$. The formalism is developed to include a Chern Simons term in three
dimensions an... | 1993-01-27 | 2009-10-22 | [
"hep-th"
] | J.A. Gracey |
hep-th/9301114 | Perturbative renormalization and infrared finiteness in the Wilson
renormalization group: the massless scalar case | A new proof of perturbative renormalizability and infrared finiteness for a
scalar massless theory is obtained from a formulation of renormalized field
theory based on the Wilson renormalization group. The loop expansion of the
renormalized Green functions is deduced from the Polchinski equation of
renormalization grou... | 1993-01-27 | 2009-10-22 | [
"hep-th"
] | M. Bonini, M. D'Attanasio and G. Marchesini |
hep-th/9301125 | On the Rotating Charged Black String Solution | A rotating charged black string solution in the low energy effective field
theory describing five dimensional heterotic string theory is constructed. The
solution is labelled by mass, electric charge, axion charge and angular
momentum per unit length. The extremal limit of this solution is also studied. | 1993-01-27 | 2009-10-22 | [
"hep-th"
] | Swapna Mahapatra |
hep-th/9301116 | Macroscopic limit of a solvable dynamical model | The interaction between an ultrarelativistic particle and a linear array made
up of $N$ two-level systems (^^ ^^ AgBr" molecules) is studied by making use of
a modified version of the Coleman-Hepp Hamiltonian. Energy-exchange processes
between the particle and the molecules are properly taken into account, and the
evol... | 1993-01-27 | 2008-11-26 | [
"hep-th",
"hep-ph"
] | Hiromichi Nakazato and Saverio Pascazio |
hep-th/9301112 | On Integrable c<1 Open--Closed String Theory | The integrable structure of open--closed string theories in the $(p,q)$
conformal minimal model backgrounds is presented. The relation between the
$\tau$--function of the closed string theory and that of the open--closed
string theory is uncovered. The resulting description of the open--closed
string theory is shown to... | 1993-01-27 | 2010-11-01 | [
"hep-th"
] | Clifford V. Johnson |
hep-th/9301115 | Symmetry Aspects and Finite-Size Scaling of Quantum Hall Fluids | The exactness and universality observed in the quantum Hall effect suggests
the existence of a symmetry principle underlying Laughlin's theory. We review
the role played by the infinite $W_{\infty }$ and conformal algebras as
dynamical symmetries of incompressible quantum fluids and show how they predict
universal fini... | 1993-01-27 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | A. Cappelli, G.V. Dunne, C.A. Trugenberger and G.R. Zemba |
hep-th/9301111 | On Foundation of the Generalized Nambu Mechanics | We outline the basic principles of canonical formalism for the Nambu
mechanics---a generalization of Hamiltonian mechanics proposed by Yoichiro
Nambu in 1973. It is based on the notion of Nambu bracket which generalizes the
Poisson bracket to the multiple operation of higher order $n \geq 3$ on
classical observables an... | 1993-01-26 | 2009-10-22 | [
"hep-th",
"math.SG"
] | Leon Takhtajan |
hep-th/9301110 | Neutron Acceleration in Uniform Electromagnetic Fields | The question as to whether neutron acceleration can occur in uniform
electromagnetic fields is examined. Although such an effect has been predicted
using the canonical equations of motion some doubt has been raised recently as
to whether it is in principle observable for a spin 1/2 particle. To resolve
this issue a ged... | 1993-01-26 | 2009-10-22 | [
"hep-th"
] | J. Anandan and C. R. Hagen |
hep-th/9301109 | String inspired effective Lagrangian and Inflationary Universe | We consider a string inspired effective Lagrangian for the graviton and
dilaton, containing Einstein gravity at the zero slope limit. The numerical
solution of the problem shows asymptotically an inflationary universe. The time
is measured by the dilaton, as one expects. The result is independent of the
introduction of... | 1993-01-26 | 2007-05-23 | [
"hep-th"
] | E. Abdalla, A.C.V.V. de Siqueira |
hep-th/9301106 | Convenient Versus Unique Effective Action Formalism in 2D
Dilaton-Maxwell Quantum Gravity | The structure of one-loop divergences of two-dimensional dilaton-Maxwell
quantum gravity is investigated in two formalisms: one using a convenient
effective action and the other a unique effective action. The one-loop
divergences (including surface divergences) of the convenient effective action
are calculated in three... | 1993-01-26 | 2010-05-07 | [
"hep-th"
] | E. Elizalde, S. Naftulin and S.D. Odintsov |
hep-th/9301107 | An Algorithm for Computing Four-Ramond Vertices at Arbitrary Level | We perform the sewing of two (dual) Ramond reggeon vertices and derive an
algorithm by means of which the so obtained four-Ramond reggeon vertex may be
explicitly computed at arbitrary oscillator (mass) level. A closed form of the
four-vertex is then deduced on the basis of a comparison to all terms obtained
by sewing ... | 1993-01-26 | 2011-07-19 | [
"hep-th"
] | Niclas Engberg, Bengt E.W Nilsson and Per Sundell |
hep-th/9301102 | The Dual Formulation of Cosmic Strings and Vortices | We study four dimensional systems of global, axionic and local strings. By
using the path integral formalism, we derive the dual formulation of these
systems, where Goldstone bosons, axions and missive vector bosons are described
by antisymmetric tensor fields, and strings appear as a source for these tensor
fields. We... | 1993-01-26 | 2009-10-22 | [
"hep-th"
] | Kimyeong Lee |
hep-th/9301105 | On the Black Hole Background of Two-Dimensional String Theory | The classical black hole background of two-dimensional string theory is
examined after including the effect of the tachyon field. Keeping all terms
upto $O(T^2)$, and making no other approximations, the only consistent
classical solution to the resulting dilaton-graviton theory is found to be flat
spacetime with a nont... | 1993-01-26 | 2009-10-22 | [
"hep-th"
] | S. Chaudhuri and D. Minic |
hep-th/9301108 | Current Algebra of Super WZNW Models | We derive the current algebra of supersymmetric principal chiral models with
a Wess-Zumino term. At the critical point one obtains two commuting super
Kac-Moody algebra as expected, but in general there are intertwining fields
connecting both right and left sectors, analogously to the bosonic case.
Moreover, in the pre... | 1993-01-26 | 2009-10-22 | [
"hep-th"
] | E. Abdalla, M.C.B. Abdalla, O.H.G. Branco and L.E. Saltini |
hep-th/9301101 | On the possibility of spinorial quantization in the Skyrme model | We consider the configuration space of the Skyrme model and give a simple
proof that loops generated by full spatial rotations are contractible in the
even-, and non-contractible in the odd-winding-number sectors. | 1993-01-25 | 2015-06-26 | [
"hep-th"
] | Domenico Giulini |
hep-th/9301099 | On the Spectrum and Scattering of W_3 Strings | We present a detailed investigation of scattering processes in $W_3$ string
theory. We discover further physical states with continuous momentum, which
involve excitations of the ghosts as well as the matter, and use them to gain a
better understanding of the interacting theory. The scattering amplitudes
display factor... | 1993-01-25 | 2009-10-07 | [
"hep-th"
] | H. Lu, C.N. Pope, S. Schrans and X.J. Wang |
hep-th/9301104 | Moment Maps to Loop Algebras, Classical R-Matrix and Integrable Systems | A class of Poisson embeddings of reduced, finite dimensional symplectic
vector spaces into the dual space $\Lg_R^*$ of a loop algebra, with Lie Poisson
structure determined by the classical split $R$--matrix $R=P_+ - P_-$ is
introduced. These may be viewed as equivariant moment maps inducing natural
Hamiltonian actions... | 1993-01-25 | 2008-02-03 | [
"hep-th"
] | J.Harnad and M.-A. Wisse |
hep-th/9301100 | Anyons and Quantum Groups | Anyonic oscillators with fractional statistics are built on a two-dimensional
square lattice by means of a generalized Jordan-Wigner construction, and their
deformed commutation relations are thoroughly discussed. Such anyonic
oscillators, which are non-local objects that must not be confused with
$q$-oscillators, are ... | 1993-01-25 | 2008-11-26 | [
"hep-th",
"cond-mat"
] | Alberto Lerda and Stefano Sciuto |
hep-th/9301103 | Origin of Antifields in the Batalin-Vilkovisky Lagrangian Formalism | The antifields of the Batalin-Vilkovisky Lagrangian quantization are standard
antighosts of certain collective fields. These collective fields ensure that
Schwinger-Dyson equations are satisfied as a consequence of the gauge symmetry
algebra. The associated antibracket and its canonical structure appear
naturally if on... | 1993-01-25 | 2009-10-22 | [
"hep-th"
] | J. Alfaro and P.H. Damgaard |
hep-th/9301098 | B\"acklund transformation for supersymmetric self-dual theories for
semisimple gauge groups and a hierarchy of $A_1$ solutions | We present a B\"acklund transformation (a discrete symmetry transformation)
for the self-duality equations for supersymmetric gauge theories in N-extended
super-Minkowski space ${\cal M}^{4|4N}$ for an arbitrary semisimple gauge
group. For the case of an $A_1$ gauge algebra we integrate the transformation
starting with... | 1993-01-24 | 2009-10-22 | [
"hep-th"
] | Ch. Devchand and A.N. Leznov |
hep-th/9301097 | Developing the Covariant Batalin-Vilkovisky approach to String Theory | We investigate the variation of the string field action under changes of the
string field vertices giving rise to different decompositions of the moduli
spaces of Riemann surfaces. We establish that any such change in the string
action arises from a field transformation canonical with respect to the
Batalin-Vilkovisky ... | 1993-01-23 | 2009-10-22 | [
"hep-th"
] | H. Hata and B. Zwiebach |
hep-th/9301096 | Quantum double of Heisenberg-Weyl algebra, its universal R-matrix and
their representations | In this paper a new quasi-triangular Hopf algebra as the quantum double of
the Heisenberg-Weyl algebra is presented.Its universal R-matrix is built and
the corresponding representation theory are studied with the explict
construction for the representations of this quantum double. \newpage | 1993-01-23 | 2009-10-22 | [
"hep-th",
"math.QA"
] | Chang-Pu Sun and Mo-Lin Ge |
hep-th/9301093 | Superconformal 2D Minimal Models and an Unusual Coset Construction | We consider a coset construction of minimal models. We define it rigorously
and prove that it gives superconformal minimal models. This construction allows
to build all primary fields of superconformal models and to calculate their
three-point correlation functions. | 1993-01-22 | 2009-10-22 | [
"hep-th"
] | M.Yu.Lashkevich |
hep-th/9301094 | Conformal Blocks of Coset Construction: Zero Ghost Number | It is shown that zero ghost conformal blocks of coset theory G/H are
determined uniquely by those of G and H theories. G/G theories are considered
as an example, their structure constants and correlation functions on sphere
are calculated. | 1993-01-22 | 2008-02-03 | [
"hep-th"
] | M.Yu.Lashkevich |
hep-th/9301092 | More on quantum groups from the the quantization point of view | Star products on the classical double group of a simple Lie group and on
corresponding symplectic grupoids are given so that the quantum double and the
"quantized tangent bundle" are obtained in the deformation description.
"Complex" quantum groups and bicovariant quantum Lie algebras are discused from
this point of vi... | 1993-01-22 | 2009-10-22 | [
"hep-th",
"math.QA"
] | B. Jurco |
hep-th/9301088 | $N=2$ Supersymmetric Integrable Models and Topological Field Theories | These lectures review some of the basic properties of $N=2$ superconformal
field theories and the corresponding topological field theories. One of my
basic aims is to show how the techniques of topological field theory can be
used to compute effective \LG potentials for perturbed $N=2$ superconformal
field theories. In... | 1993-01-22 | 2007-05-23 | [
"hep-th"
] | N.P. Warner |
hep-th/9301089 | String Theory on Calabi--Yau Manifolds: The Three Generations Case | Recently, string theory on Calabi--Yau manifolds was constructed and was
shown to be a fully consistent, space--time supersymmetric string theory. The
physically interesting case is the case of three generations. Intriguingly, it
appears at the present that there is a unique manifold which gives rise to
three generatio... | 1993-01-22 | 2007-05-23 | [
"hep-th"
] | Doron Gepner |
hep-th/9301090 | Quasi-classical limit of BKP hierarchy and W-infinity symmeties | Previous results on quasi-classical limit of the KP and Toda hierarchies are
now extended to the BKP hierarchy. Basic tools such as the Lax representation,
the Baker-Akhiezer function and the tau function are reformulated so as to fit
into the analysis of quasi-classical limit. Two subalgebras $\WB_{1+\infty}$
and $\wB... | 1993-01-22 | 2009-10-22 | [
"hep-th"
] | Kanehisa Takasaki |
hep-th/9301091 | Chern-Simons approach to three-manifold invariants | % A new, formal, non-combinatorial approach to invariants of %
three-dimensional manifolds of Reshetikhin, Turaev and % Witten in the
framework of non-perturbative topological % quantum Chern-Simons theory,
corresponding to an arbitrary % compact simple Lie group, is presented. A
direct % implementation of surgery inst... | 1993-01-22 | 2009-10-22 | [
"hep-th",
"math.QA"
] | Boguslaw Broda (U. Clausthal and U. Lodz) |
hep-th/9301095 | Quantum Spinodal Decomposition | We study the process of spinodal decomposition in a scalar quantum field
theory that is quenched from an equilibrium disordered initial state at $T_i >
T_f$ to a final state at $T_f \approx 0$. The process of formation and growth
of correlated domains is studied in a Hartree approximation. We find an
approximate scalin... | 1993-01-22 | 2009-10-22 | [
"hep-th"
] | Daniel Boyanovsky |
hep-th/9301087 | Uniqueness of the bosonization of the $U_q(su(2)_k)$ quantum current
algebra | Four apparently different bosonizations of the $U_q(su(2)_k)$ quantum current
algebra for arbitrary level $k$ have recently been proposed in the literature.
However, the relations among them have so far remained unclear except in one
case. Assuming a special standard form for the $U_q(su(2)_k)$ quantum currents,
we der... | 1993-01-21 | 2009-10-22 | [
"hep-th"
] | A.H. Bougourzi |
hep-th/9301085 | On the Symmetry Algebra of the Discrete States in $d<2$ Closed String
Theory | The Symmetry charges associated with the Lian-Zuckerman states for $d<2$
closed string theory are constructed. Unlike in the open string case, it is
shown here that the symmetry charges commute among themselves and act trivially
on all the physical states. | 1993-01-21 | 2010-11-01 | [
"hep-th"
] | Sudhakar Panda and Shibaji Roy |
hep-th/9301086 | Path Spaces and W-Fusion in Minimal Models | Product forms of characters of Virasoro minimal models are obtained which
factorize into $(2,\odd)\times(3,\even)$ characters. These are related by
generalized Rogers-Ramanujan identities to sum forms allowing for a
quasiparticle interpretation. The corresponding dilogarithm identities are
given and the factorization i... | 1993-01-21 | 2010-11-01 | [
"hep-th"
] | J. Kellendonk, M. R\"osgen, R. Varnhagen |
hep-th/9301084 | Yang-Baxter equation in spin chains with long range interactions | We consider the $ su(n) $ spin chains with long range interactions and the
spin generalization of the Calogero-Sutherland models. We show that their
properties derive from a transfer matrix obeying the Yang-Baxter equation. We
obtain the expression of the conserved quantities and we diagonalize them. | 1993-01-21 | 2023-04-10 | [
"hep-th",
"cond-mat"
] | D. Bernard, M. Gaudin, F.D.M. Haldane, V. Pasquier |
hep-th/9301079 | Twisted Sector Yukawa Couplings For The ${\bf Z}_M\times {\bf Z}_N$
Orbifolds | The moduli dependent Yukawa couplings between twisted sectors of ${\bf
Z}_M\times {\bf Z}_N$ Coxeter orbifolds are studied. | 1993-01-19 | 2009-10-22 | [
"hep-th"
] | D. Bailin, A. Love and W. A. Sabra |
hep-th/9301077 | The $N=2$ super $W_4$ algebra and its associated generalized KdV
hierarchies | We construct the $N=2$ super $W_4$ algebra as a certain reduction of the
second Gel'fand-Dikii bracket on the dual of the Lie superalgebra of $N=1$
super pseudo-differential operators. The algebra is put in manifestly $N=2$
supersymmetric form in terms of three $N=2$ superfields $\Phi_i(X)$, with
$\Phi_1$ being the $N=... | 1993-01-19 | 2009-10-22 | [
"hep-th"
] | C. M. Yung and Roland C. Warner |
hep-th/9301081 | Large-N Quenching in the Kazakov-Migdal Model | To study the behavior of the Kazakov-Migdal at large N the quenched momentum
prescription with constraints for treating the large N limit of gauge theories
is used. It is noted that it leads to a quartic dependence of an action on
unitary matrix instead of a quadratic dependence discussed in previous
considerations. Th... | 1993-01-19 | 2009-10-22 | [
"hep-th"
] | I.Ya. Aref'eva |
hep-th/9301080 | Nonlocal conservation laws in N=1,2 Supersymetric KdV equation | The \nl \cls for the N=1 supersymmetric KdV equation are shown to be related
in a simple way to powers of the fourth root of its Lax operator. This provides
a direct link between the supersymmetry invariance and the existence of \nl
conservation laws. It is also shown that nonlocal conservation laws exist for
the two i... | 1993-01-19 | 2011-07-19 | [
"hep-th"
] | P. Dargis and P. Mathieu |
hep-th/9301078 | Topological 2-Dimensional Quantum Mechanics | We define a Chern- Simons Lagrangian for a system of planar particles
topologically interacting at a distance. The anyon model appears as a
particular case where all the particles are identical. We propose exact N-body
eigenstates, set up a perturbative algorithm, discuss the case where some
particles are fixed on a la... | 1993-01-19 | 2009-10-22 | [
"hep-th"
] | Alain Dasnieres de Veigy and Stephane Ouvry |
hep-th/9301082 | Evolution of Pure States into Mixed States | In the formulation of Banks, Peskin and Susskind, we show that one can
construct evolution equations for the quantum mechanical density matrix $\rho$
with operators which do not commute with hamiltonian which evolve pure states
into mixed states, preserve the normalization and positivity of $\rho$ and
conserve energy. ... | 1993-01-19 | 2008-02-03 | [
"hep-th"
] | Jun Liu |
hep-th/9301083 | Two dimensional black-hole as a topological coset model of c=1 string
theory | We show that a special superconformal coset (with $\hat c =3$) is equivalent
to $c=1$ matter coupled to two dimensional gravity. This identification allows
a direct computation of the correlation functions of the $c=1$ non-critical
string to all genus, and at nonzero cosmological constant, directly from the
continuum a... | 1993-01-19 | 2009-10-22 | [
"hep-th"
] | S. Mukhi and C. Vafa, E. Frenkel |
hep-th/9301069 | Four-Fermion Theory and the Conformal Bootstrap | We employ the conformal bootstrap to re-examine the problem of finding the
critical behavior of four-Fermion theory at its strong coupling fixed point.
Existence of a solution of the bootstrap equations indicates self-consistency
of the assumption that, in space-time dimensions less than four, the
renormalization group... | 1993-01-18 | 2009-10-22 | [
"hep-th"
] | Wei Chen (UBC), Yuri Makeenko (ITEP) and Gordon W Semenoff (UBC) |
hep-th/9301076 | Dual Isomonodromic Deformations and Moment Maps to Loop Algebras | The Hamiltonian structure of the monodromy preserving deformation equations
of Jimbo {\it et al } is explained in terms of parameter dependent pairs of
moment maps from a symplectic vector space to the dual spaces of two different
loop algebras. The nonautonomous Hamiltonian systems generating the
deformations are obta... | 1993-01-18 | 2013-04-08 | [
"hep-th",
"math-ph",
"math.MP"
] | J. Harnad |
hep-th/9301075 | Berenstein-Zelevinsky triangles, elementary couplings and fusion rules | We present a general scheme for describing su(N)_k fusion rules in terms of
elementary couplings, using Berenstein-Zelevinsky triangles. A fusion coupling
is characterized by its corresponding tensor product coupling (i.e. its
Berenstein-Zelevinsky triangle) and the threshold level at which it first
appears. We show th... | 1993-01-18 | 2009-10-22 | [
"hep-th",
"math.QA"
] | L. Begin, Anatol N. Kirillov, P. Mathieu and M. A. Walton |
hep-th/9301072 | Second Order Formalism for fermions: Anomalies and Species doubling on
the Laticce | A new formulation for fermions on the lattice based on a discretization of a
second order formalism is proposed. A comparison with the first order formalism
in connection with the $U(1)$ anomaly and the doubling problem is presented.
The new formulation allows to eliminate half of the degrees of freedom, which
can be i... | 1993-01-18 | 2007-05-23 | [
"hep-th"
] | J.L. Cort\'es, J. Gamboa and L. Vel\'azquez |
hep-th/9301073 | 2D Black Holes and 2D Gravity | \small The SL$(2,R)/U(1)$ coset model, with $U(1)$ an element of the third
conjugacy class of $SL(2,R)$ subgroups, is considered. The resulting theory is
seen to collapse to a one dimensional field theory of Liouville. Then the 2
dimensional black hole $SL(2,R)/U(1)$, with $U(1)$ a non-compact subgroup
boosted by a Lor... | 1993-01-18 | 2007-05-23 | [
"hep-th"
] | Farhad Ardalan |
hep-th/9301070 | Quasi-classical limit of Toda hierarchy and W-infinity symmetries | Previous results on quasi-classical limit of the KP hierarchy and its
W-infinity symmetries are extended to the Toda hierarchy. The Planck constant
$\hbar$ now emerges as the spacing unit of difference operators in the Lax
formalism. Basic notions, such as dressing operators, Baker-Akhiezer functions
and tau function, ... | 1993-01-18 | 2009-10-22 | [
"hep-th"
] | Kanehisa Takasaki and Takashi Takebe |
hep-th/9301071 | Second Order Formalism for Fermions | A new formulation of fermions based on a second order action is proposed. An
analysis of the $U(1)$ anomaly allows us to test the validity of the formalism
at the quantum level. This formulation gives a new perpective to the
introduction of parity non-invariant interactions. | 1993-01-18 | 2012-03-15 | [
"hep-th"
] | J. L. Cort\'es, J. Gamboa and L. Vel\'azquez |
hep-th/9301068 | Two Dimensional QCD is a String Theory | The partition function of two dimensional QCD on a Riemann surface of area
$A$ is expanded as a power series in $1/N$ and $A$. It is shown that the
coefficients of this expansion are precisely determined by a sum over maps from
a two dimensional surface onto the two dimensional target space. Thus two
dimensional QCD ha... | 1993-01-18 | 2008-11-26 | [
"hep-th",
"hep-ph"
] | David J. Gross and Washington Taylor |
hep-th/9301067 | A Generalized Uncertainty Principle in Quantum Gravity | We discuss a Gedanken experiment for the measurement of the area of the
apparent horizon of a black hole in quantum gravity. Using rather general and
model-independent considerations we find a generalized uncertainty principle
which agrees with a similar result obtained in the framework of string
theories. The result i... | 1993-01-17 | 2009-10-22 | [
"hep-th",
"gr-qc"
] | Michele Maggiore |
hep-th/9301065 | A Simple Model Inducing QCD | A simple lattice model inducing a gauge theory is considered. The model
describes an interaction of a gauge field to an $N\times N$ complex matrix
scalar field transforming as a field in the fundamental representation. In
contrast to the Kazakov-Migdal model the model contains only the linear
interaction between scalar... | 1993-01-16 | 2011-07-19 | [
"hep-th"
] | I.Ya. Aref'eva |
hep-th/9301066 | Off-critical $W_\infty$ and Virasoro Algebras As Dynamical Symmetries Of
the Integrable Models | We find an infinite set of new noncommuting conserved charges in a specific
class of perturbed CFT's and present a criterion for their existence.They
appear to be higher momenta of the already known commuting conserved
currents.The algebra they close consists of two noncommuting$W_\infty$
algebras.We find various Viras... | 1993-01-16 | 2008-02-03 | [
"hep-th"
] | Galen Sotkov and Marian Stanishkov |
hep-th/9301062 | A categorical construction of 4D TQFTs | We construct a four dimensional topological Quantum Field Theory from a
modular tensor category. We complete the proof in the case of SU(2)q at a root
of unity. Our construction may be important in the physical interpretation of
the Chern Simons state in the Ashtekar variables. | 1993-01-15 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Louis Crane and David N. Yetter |
hep-th/9301061 | Categorical Physics | I propose a new mathematical form for the quantum theory of gravity coupled
to matter. The motivation is from the connection between CSW TQFT and the
Ashtekar variables. I also connect the algebraic structure of TQFT with some
thoughts about the interpretation of quantum mechanics in a general
relativistic setting. | 1993-01-15 | 2009-09-25 | [
"hep-th"
] | Louis Crane |
hep-th/9301074 | Geometry and W-Gravity | The higher-spin geometries of $W_\infty$-gravity and $W_N$-gravity are
analysed and used to derive the complete non-linear structure of the coupling
to matter and its symmetries. The symmetry group is a subgroup of the
symplectic diffeomorphisms of the cotangent bundle of the world-sheet, and the
$W_N$ geometry is obta... | 1993-01-15 | 2016-09-06 | [
"hep-th"
] | C.M. Hull |
hep-th/9301058 | How Fast Does Information Leak out from a Black Hole? | Hawking's radiance, even as computed without account of backreaction, departs
from blackbody form due to the mode dependence of the barrier penetration
factor. Thus the radiation is not the maximal entropy radiation for given
energy. By comparing estimates of the actual entropy emission rate with the
maximal entropy ra... | 1993-01-15 | 2009-10-22 | [
"hep-th",
"gr-qc"
] | Jacob D. Bekenstein |
hep-th/9301059 | On Exact Evaluation of Path Integrals | Some mistakes have been corrected | 1993-01-15 | 2009-10-22 | [
"hep-th"
] | A.J. Niemi and O.Tirkkonen |
hep-th/9301060 | Generating Vector Boson Masses | If the Higgs particle is never found, one will need an alternative theory for
vector boson masses. I propose such a theory involving an antisymmetric tensor
potential coupled to a gauge field. | 1993-01-15 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | Amitabha Lahiri |
hep-th/9301064 | Rings and Balls | We examine the various linkings in space-time of ``ball-like'' and
``ring-like'' topological solitons in certain nonlinear sigma models in 2+1 and
3+1 dimensions. By going to theories where soliton overlaps are forbidden,
these linkings become homotopically nontrivial and can be studied by
investigating the topology of... | 1993-01-15 | 2009-10-22 | [
"hep-th"
] | Lee Brekke, Shane J. Hughes and Tom D. Imbo |
hep-th/9301063 | Link Invariants, Holonomy Algebras and Functional Integration | Given a principal G-bundle over a smooth manifold M, with G a compact Lie
group, and given a finite-dimensional unitary representation of G, one may
define an algebra of functions on the space of connections modulo gauge
transformations, the ``holonomy Banach algebra'' H_b, by completing an algebra
generated by regular... | 1993-01-15 | 2008-02-03 | [
"hep-th",
"math.QA"
] | John C. Baez |
hep-th/9301054 | Topological Aspects of an Antisymmetric Background Field on Orbifolds | We study string theory on orbifolds in the presence of an antisymmetric
constant background field in detail and discuss some of new aspects of the
theory. It is pointed out that the term with the antisymmetric background field
can be regarded as a topological term like a Chern-Simons term or a Wess-Zumino
term. Detaile... | 1993-01-14 | 2010-11-01 | [
"hep-th"
] | Makoto Sakamoto |
hep-th/9301055 | Twistor-Like Formulation of Heterotic Strings | In this talk new formulations of the Green--Schwarz heterotic strings in $D$
dimensions that involve commuting spinors, are reviewed. These models are
invariant under $n$--extended, world sheet supersymmetry as well as under
$N=1$, target space supersymmetry where $n\leq D-2$ and $D=3,4,6,10$. The world
sheet supersymm... | 1993-01-14 | 2007-05-23 | [
"hep-th"
] | M. Tonin |
hep-th/9301056 | Quantum Groups, Correlation Functions and Infrared Divergences | We show in two simple examples that for one-dimensional quantum chains with
quantum group symmetries, the correlation functions of local operators are, in
general, infrared divergent. If one considers, however, correlation functions
invariant under the quantum group, the divergences cancel out. | 1993-01-14 | 2009-10-22 | [
"hep-th"
] | Haye Hinrichsen and Vladimir Rittenberg |
hep-th/9301053 | Many Boson Realizations of Universal Nonlinear $W_{\infty}$-Algebras | An infinite number of free field realizations of the universal nonlinear
$\hat{W}_{\infty}^{(N)}$ ($\hat{W}_{1+\infty}^{(N)}$) algebras, which are
identical to the KP Hamiltonian structures, are obtained in terms of $p$ plus
$q$ scalars of different signatures with $p-q=N$. They are generalizations of
the Miura transfo... | 1993-01-14 | 2015-06-26 | [
"hep-th"
] | Feng Yu |
hep-th/9301057 | Exact Finite Size Results on the Ising Model in 2D Curved Space | We propose an approach to statistical systems on lattices with sphere-like
topology. Focusing on the Ising model, we consider the thermodynamic limit
along a sequence of lattices which preserve the {\em fixed} large scale
geometry. The hypothesis of scaling appears to hold at criticality, pointing at
a sensible definit... | 1993-01-14 | 2007-05-23 | [
"hep-th"
] | J.Gonzalez and M.A.Martin-Delgado |
hep-th/9301050 | Generalized Conformal and Superconformal Group Actions and Jordan
Algebras | We study the conformal groups of Jordan algebras along the lines suggested by
Kantor. They provide a natural generalization of the concept of conformal
transformations that leave 2-angles invariant to spaces where "p-angles" can be
defined. We give an oscillator realization of the generalized conformal groups
of Jordan... | 1993-01-13 | 2010-11-01 | [
"hep-th"
] | Murat Gunaydin |
hep-th/9301046 | Fermionic Sum Representations for Conformal Field Theory Characters | We present sum representations for all characters of the unitary Virasoro
minimal models. They can be viewed as fermionic companions of the Rocha-Caridi
sum representations, the latter related to the (bosonic) Feigin-Fuchs-Felder
construction. We also give fermionic representations for certain characters of
the general... | 1993-01-13 | 2009-10-22 | [
"hep-th"
] | R. Kedem, T.R. Klassen, B.M. McCoy and E. Melzer |
hep-th/9301039 | Coinvariants of nilpotent subalgebras of the Virasoro algebra and
partition identities | We prove that the dimensions of coinvariants of certain nilpotent subalgebras
of the Virasoro algebra do not change under deformation in the case of
irreducible representations of (2,2r+1) minimal models. We derive a
combinatorial description of these representations and the Gordon identities
from this result. | 1993-01-13 | 2007-05-23 | [
"hep-th"
] | Boris Feigin and Edward Frenkel |
hep-th/9301049 | N=4 Superconformal Algebras and Gauged WZW Models | As shown by Witten the N=1 supersymmetric gauged WZW model based on a group G
has an extended N=2 supersymmetry if the gauged subgroup H is so chosen that
G/H is Kahler. We extend Witten's result and prove that the N=1 supersymmetric
gauged WZW models over G X U(1) are actually invariant under N=4 superconformal
transf... | 1993-01-13 | 2011-02-09 | [
"hep-th"
] | Murat Gunaydin |
hep-th/9301052 | Black Strings and p-Branes are Unstable | We investigate the evolution of small perturbations around black strings and
branes which are low energy solutions of string theory. For simplicity we focus
attention on the zero charge case and show that there are unstable modes for a
range of time frequency and wavelength in the extra $10-D$ dimensions. These
perturb... | 1993-01-13 | 2009-01-23 | [
"hep-th",
"gr-qc"
] | R.Gregory and R.Laflamme |
hep-th/9301051 | Hamiltonian Structure of Equations Appearing in Random Matrices | The level spacing distributions in the Gaussian Unitary Ensemble, both in the
``bulk of the spectrum,'' given by the Fredholm determinant of the operator
with the sine kernel ${\sin \pi(x-y) \over \pi(x-y)}$ and on the ``edge of the
spectrum,'' given by the Airy kernel ${\rm{Ai}(x) \rm{Ai}'(y) - \rm{Ai}(y)
\rm{Ai}'(x) ... | 1993-01-13 | 2008-02-03 | [
"hep-th",
"math-ph",
"math.MP",
"nlin.SI",
"solv-int"
] | John Harnad, Craig A. Tracy, and Harold Widom |
hep-th/9301047 | Exact Effective Action and Spacetime Geometry in Gauged WZW Models | We present an effective quantum action for the gauged WZW model
$G_{-k}/H_{-k}$. It is conjectured that it is valid to all orders of the
central extension $(-k)$ on the basis that it reproduces the exact spacetime
geometry of the zero modes that was previously derived in the algebraic
Hamiltonian formalism. Besides the... | 1993-01-13 | 2013-11-13 | [
"hep-th"
] | I. Bars and K. Sfetsos |
hep-th/9301043 | Multiple Mirror Manifolds and Topology Change in String Theory | We use mirror symmetry to establish the first concrete arena of spacetime
topology change in string theory. In particular, we establish that the {\it
quantum theories} based on certain nonlinear sigma models with topologically
distinct target spaces can be smoothly connected even though classically a
physical singulari... | 1993-01-12 | 2009-10-22 | [
"hep-th"
] | Paul S. Aspinwall, Brian R. Greene, and David R. Morrison |
hep-th/9301040 | Folding the W Algebras | In the same way the folding of the Dynkin diagram of A_{2n} (resp. A_{2n-1})
produces the B_n (resp. C_n) Dynkin diagram, the symmetry algebra W of a Toda
model based on B_n (resp. C_n) can be seen as resulting from the folding of a
W-algebra based on A_{2n} (resp. A_{2n-1}). More generally, W algebras related
to the B... | 1993-01-12 | 2009-10-22 | [
"hep-th"
] | L. Frappat, E. Ragoucy and P. Sorba |
hep-th/9301048 | Nonlinear Sigma Models and Symplectic Geometry on Loop Spaces of
(Pseudo)Riemannian Manifolds | In this paper we consider symplectic and Hamiltonian structures of systems
generated by actions of sigma-model type and show that these systems are
naturally connected with specific symplectic geometry on loop spaces of
Riemannian and (pseudo)Riemannian manifolds. | 1993-01-12 | 2007-05-23 | [
"hep-th"
] | Oleg Mokhov |
hep-th/9301041 | On the origin of multi-component anyon wave functions | In this paper I discuss how the component structure of anyon wave functions
arises in theories with non-relativistic matter coupled to a Chern-Simons gauge
field on the torus. It is shown that there exists a singular gauge
transformation which brings the Hamiltonian to free form. The gauge
transformation removes a degr... | 1993-01-12 | 2009-10-22 | [
"hep-th"
] | Ansar Fayyazuddin |
hep-th/9301044 | Kinetic theory in curved space: a first quantised approach | We study the real time formalism of non-equilibrium many-body theory, in a
first quantised language. We argue that on quantising the relativistic scalar
particle in spacetime with Minkowski signature, we should study both
propagations $e^{i(p^2-m^2)\tilde \lambda}$ and $e^{-i(p^2-m^2)\tilde \lambda}$
on the particle wo... | 1993-01-12 | 2007-05-23 | [
"hep-th"
] | Samir D. Mathur |
hep-th/9301042 | Phases of $N=2$ Theories In Two Dimensions | This is a study of the Landau-Ginzburg/Calabi-Yau correspondence, and related
matters, using linear sigma models. | 1993-01-12 | 2010-04-07 | [
"hep-th"
] | Edward Witten |
hep-th/9301038 | Combinatorial Solution of the Two-Matrix Model | We write down and solve a closed set of Schwinger-Dyson equations for the
two-matrix model in the large $N$ limit. Our elementary method yields exact
solutions for correlation functions involving angular degrees of freedom whose
calculation was impossible with previously known techniques. The result
sustains the hope t... | 1993-01-12 | 2009-10-22 | [
"hep-th"
] | Matthias Staudacher |
hep-th/9301045 | Braiding in Conformal Field Theory and Solvable Lattice Models | Braiding matrices in rational conformal field theory are considered. The
braiding matrices for any two block four point function are computed, in
general, using the holomorphic properties of the blocks and the holomorphic
properties of rational conformal field theory. The braidings of $SU(N)_k$ with
the fundamental are... | 1993-01-12 | 2009-10-22 | [
"hep-th"
] | Doron Gepner and Jurgen Fuchs |
hep-th/9301031 | New modular representations and fusion algebras from quantized SL(2,R)
Chern-Simons theory | We consider the quantum-mechanical algebra of observables generated by
canonical quantization of $SL(2,R)$ Chern-Simons theory with rational charge on
a space manifold with torus topology. We produce modular representations
generalizing the representations associated to the $SU(2)$ WZW models and we
exhibit the explici... | 1993-01-11 | 2008-02-03 | [
"hep-th",
"math.QA"
] | C. Imbimbo |
hep-th/9301036 | Canonical Chern-Simons Theory and the Braid Group on a Riemann Surface | We find an explicit solution of the Schr\"odinger equation for a Chern-Simons
theory coupled to charged particles on a Riemann surface, when the coefficient
of the Chern-Simons term is a rational number (rather than an integer) and
where the total charge is zero. We find that the wave functions carry a
projective repre... | 1993-01-11 | 2011-07-19 | [
"hep-th"
] | Mario Bergeron, David Eliezer and Gordon Semenoff |
hep-th/9301035 | A Comment on the Stability of String Monopoles | In recent work a multimonopole solution of heterotic string theory was
obtained. The monopoles are noted to be stable, in contrast with analogous
solutions of Einstein-Maxwell or Yang-Mills-dilaton theory. The existence of
this and other classes of stable solitonic solutions in string theory thus
provides a possible te... | 1993-01-11 | 2009-10-22 | [
"hep-th"
] | Ramzi R. Khuri |
hep-th/9301034 | Quantum Electrodynamics of Particles on a Plane and the Chern-Simons
Theory | We study the electrodynamics of generic charged particles (bosons, fermions,
relativistic or not) constrained to move on an infinite plane. An effective
gauge theory in 2+1 dimensional spacetime which describes the real
electromagnetic interaction of this particles is obtained. The relationship
between this effective t... | 1993-01-11 | 2009-10-22 | [
"hep-th"
] | E.C.Marino |
hep-th/9301030 | Is 2d Turbulence a Conformal Turbulence? | A critical analysis of the conformal approach to the theory of 2d turbulence
is delivered. It is shown, in particular, that conformal minimal models cannot
give a general turbulent solution, which should provide for constant fluxes of
all vorticity integrals of motion. | 1993-01-11 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | Gregory Falkovich and Amihay Hanany |
hep-th/9301032 | The Spatial Dynamics in Kazakov--Migdal Model | The spatially inhomogeneous large $N$ solutions to Kazakov--Migdal model are
analyzed. The set of nonlinear differential equations is derived in the
continuum limit. In one dimensional case these equations has a natural
interpretation in terms of the dynamics of a Fermi gas. The multidimensional
case seems to be incons... | 1993-01-11 | 2009-10-22 | [
"hep-th"
] | K.Zarembo |
hep-th/9301033 | String loop corrections to gauge and Yukawa couplings | We report on the recent progress in computing the effective supergravity
action from superstring scattering amplitudes beyond the tree approximation. We
discuss the moduli-dependent string loop corrections to gauge, gravitational
and Yukawa couplings. | 1993-01-11 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | I. Antoniadis and T.R. Taylor |
hep-th/9301037 | On the Electromagnetic Interactions of Anyons | Using the appropriate representation of the Poincare group and a definition
of minimal coupling, we discuss some aspects of the electromagnetic
interactions of charged anyons. In a nonrelativistic expansion, we derive a
Schrodinger-type equation for the anyon wave function which includes
spin-magnetic field and spin-or... | 1993-01-11 | 2011-08-12 | [
"hep-th",
"cond-mat"
] | Chihong Chou, V.P.Nair and A.Polychronakos |
hep-th/9301029 | Topological Two Dimensional Dilaton Supergravity | We present a topological version of two dimensional dilaton supergravity. It
is obtained by gauging an extension of the super-Poincar\'e algebra in two
space-time dimensions. This algebra is obtained by an unconventional
contraction of the super de Sitter algebra. Besides the generators of the super
de Sitter algebra i... | 1993-01-10 | 2009-10-22 | [
"hep-th"
] | V.O.Rivelles |
hep-th/9301027 | Physical States in Two-Dimensional Topological Gauge Theories | Physical states of two-dimensional topological gauge theories are studied
using the BRST formalism in the light-cone gauge. All physical states are
obtained for the abelian theory. There are an infinite number of physical
states with different ghost numbers. Simple examples of physical states in a
non-abelian theory ar... | 1993-01-09 | 2015-06-26 | [
"hep-th"
] | Yoshiaki Tanii and Masakazu Yamashita |
hep-th/9301028 | Knot theory and quantum gravity in loop space: a primer | These notes summarize the lectures delivered in the V Mexican School of
Particle Physics, at the University of Guanajuato. We give a survey of the
application of Ashtekar's variables to the quantization of General Relativity
in four dimensions with special emphasis on the application of techniques of
analytic knot theo... | 1993-01-09 | 2015-06-26 | [
"hep-th",
"gr-qc",
"math.QA"
] | Jorge Pullin |
hep-th/9301025 | Ideal Gas of Strings and QCD at Hadronic Scales | By using lessons learned from modern string studies, we show how interesting
non-perturbative features of QCD can be learned from future heavy ion
collisions even if the deconfinement density is not reached. | 1993-01-08 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | Chung-I Tan |
hep-th/9301022 | A proposal on the topological sector of 2d string | The field content of the two dimensional string theory consists of the
dynamical tachyon field and some nonpropagating fields which consist in the
topological sector of this theory. We propose in this paper to study this
topological sector as a spacetime gauge theory with a simple centrally extended
$w_\infty$ algebra.... | 1993-01-08 | 2008-02-03 | [
"hep-th"
] | Miao Li |
hep-th/9301026 | Solvable lattice models labelled by Dynkin diagrams | An equivalence between generalised restricted solid-on-solid (RSOS) models,
associated with sets of graphs, and multi-colour loop models is established. As
an application we consider solvable loop models and in this way obtain new
solvable families of critical RSOS models. These families can all be classified
by the Dy... | 1993-01-08 | 2009-10-22 | [
"hep-th",
"nlin.SI",
"solv-int"
] | Ole Warnaar and Bernard Nienhuis |
hep-th/9301024 | $N=4$ super KdV equation | We construct $N=4$ supersymmetric KdV equation as a hamiltonian flow on the
$N=4\;SU(2)$ super Virasoro algebra. The $N=4$ KdV superfield, the hamiltonian
and the related Poisson structure are concisely formulated in $1D \;N=4$
harmonic superspace. The most general hamiltonian is shown to necessarily
involve $SU(2)$ br... | 1993-01-08 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | F. Delduc and E. Ivanov |
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