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received from Fri 10 Jan 97 01:00:00 GMT to Mon 13 Jan 97 01:00:01 GMT
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Paper: hep-th/9701037
From: TO...@padova.infn.it
Date: Fri, 10 Jan 1997 11:16:06 +0100 (WET)
Title: Covariant Action for a D=11 Five-Brane with the Chiral Field
Authors: Paolo Pasti, Dmitri Sorokin and Mario Tonin
Comments: LaTeX file, 9 pages
Report-no: DFPD 97/TH/1
\\
We propose a complete Born-Infeld-like action for a bosonic 5-brane with
the worldvolume chiral field in a background of gravitational and antisymmetric
gauge fields of D=11 supergravity. When the five-brane couples to a
three-rank antisymmetric gauge field local worldvolume symmetries of the
five-brane require the addition to the action of an appropriate Wess-Zumino
term. To preserve general coordinate and Lorentz invariance of the model we
introduce a single auxiliary scalar field. The auxiliary field can be
eliminated by gauge fixing a corresponding local symmetry at the price of the
loss of manifest d=6 worldvolume covariance. The double dimensional reduction
of the five-brane model results in the Born-Infeld action with the
Wess-Zumino term for a D=10 four-D-brane.
\\ (http://xxx.lanl.gov/abs/hep-th/9701037 , 9kb)
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Paper: hep-th/9701038
From: "Antonio J. Segui Santonja" <se...@posta.unizar.es>
Date: Fri, 10 Jan 1997 13:02:08 +0100
Title: Topological charges and the genus of surfaces
Authors: Luis J. Boya and Antonio J. Segui-Santonja (Departamento de Fisica
Teorica. Universidad de Zaragoza)
Comments: 8 pages, Latex. To be published in Journal of Geommetry and Physics
Report-no: DFTUZ-2-97
\\
We show that the topological charge of the n-soliton solution of the
sine-Gordon equation n is related to the genus g > 1 of a constant negative
curvature compact surface described by this configuration. The relation is
n=2(g-1), where n is even. The moduli space of complex dimension B(g)=3(g-1)
corresponds precisely to the freedom to choosing the configuration with n
solitons of arbitrary positions and velocities. We speculate also that the odd
soliton states will describe the unoriented surfaces.
\\ (http://xxx.lanl.gov/abs/hep-th/9701038 , 7kb)
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Paper: hep-th/9701039
From: jun...@gilling.aei-potsdam.mpg.de (Wolfgang Junker)
Date: Fri, 10 Jan 1997 04:26:58 -0800
Title: Application of Microlocal Analysis to the Theory of Quantum Fields
Interacting with a Gravitational Field
Authors: Wolfgang Junker
Comments: 7 pages, Latex, talk presented at the Conference on Partial
Differential Equations, Potsdam 1996
\\
It is explained how techniques from microlocal analysis can be used to settle
some long-standing questions that arise in the study of the interaction of
quantum matter fields with a classical gravitational background field.
\\ (http://xxx.lanl.gov/abs/hep-th/9701039 , 12kb)
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Paper: hep-th/9701040
From: "Douglas A. Singleton" <da...@erwin.phys.virginia.edu>
Date: Fri, 10 Jan 1997 12:42:40 -0500
Title: Topological Electric Charge
Author: Douglas Singleton
Comments: 15 pages LaTeX
Journal-ref: IJTP, V34 , 2453 (1995)
\\
By treating magnetic charge as a gauge symmetry through the introduction of a
``magnetic'' pseudo four-vector potential, it is shown that it is possible,
using the 't Hooft-Polyakov construction, to obtain a topological electric
charge. The mass of this electrically charged particle is found to be on the
order of {1 / 137} M_W as opposed to the much larger mass (on the order of 137
M_W) of the magnetic soliton. Some model building possibilities are discussed.
\\ (http://xxx.lanl.gov/abs/hep-th/9701040 , 10kb)
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Paper: hep-th/9701041
From: Beatriz Gato-Rivera <bg...@pinar1.csic.es>
Date: Fri, 10 Jan 1997 16:15:40 +0000
Title: Families of Singular and Subsingular Vectors of the Topological N=2
Superconformal Algebra
Authors: Beatriz Gato-Rivera and Jose Ignacio Rosado
Comments: 55 pages, Latex
Report-no: IMAFF-96/40, NIKHEF-96-008
\\
We analyze several issues concerning the singular vectors of the Topological
N=2 Superconformal algebra. First we propose an algebraic mechanism to decide
which types of singular vectors exist, regarding the relative U(1) charge and
the BRST-invariance properties, finding four different types in chiral
(incomplete) Verma modules and thirty-three different types in complete Verma
modules. Then we investigate the family structure of the singular vectors,
every member of a family being mapped to any other member by a chain of simple
transformations involving the spectral flows. The families of singular vectors
in chiral Verma modules follow a unique pattern (four vectors) and contain
subsingular vectors. We write down these families until level 3, identifying
the subsingular vectors. The families of singular vectors in complete Verma
modules follow infinitely many different patterns, grouped roughly in six main
kinds. We present a particularly interesting twelve-member family at levels 3
and 4, as well as the complete set of singular vectors at level 1 (twenty-eight
different types). Finally we analyze the D\"orrzapf conditions leading to two
linearly independent singular vectors of the same type, at the same level in
the same Verma module, and we write down four examples of those pairs of
singular vectors, which belong to the same twelve-member family.
\\ (http://xxx.lanl.gov/abs/hep-th/9701041 , 47kb)
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Paper: hep-th/9701042
From: rarg...@ulb.ac.be (Argurio Riccardo)
Date: Fri, 10 Jan 1997 16:36:30 +0100 (MET)
Title: Intersection Rules for p-Branes
Authors: R. Argurio, F. Englert, L. Houart
Comments: 15 pages, LaTeX, no figures
Report-no: ULB-TH-97/01
\\
We present a general rule determining how extremal branes can interesect in a
configuration with zero binding energy. The rule is derived in a model
independent way and in arbitrary spacetime dimensions D by solving the
equations of motion of gravity coupled to a dilaton and several different
n-form field strengths. The intersection rules are all compatible with
supersymmetry, although derived without using it. We then specialize to the
branes occurring in type II string theories and in M-theory. We show that the
intersection rules are consistent with the picture that open branes can have
boundaries on some other branes. In particular, all the D-branes of dimension
q, with $1\leq q \leq6$, can have boundaries on the solitonic 5-brane.
\\ (http://xxx.lanl.gov/abs/hep-th/9701042 , 12kb)
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Paper: hep-th/9701043
From: "Alexei Semikhatov" <asem...@td.lpi.ac.ru>
Date: Mon, 13 Jan 1997 02:28:59 +0300 (MSK)
Title: Equivalence between Chain Categories of Representations of Affine sl(2)
and N=2 Superconformal Algebras
Authors: B. L. Feigin, A. M. Semikhatov, and I. Yu. Tipunin
Comments: LaTeX 2.09, 43 p
\\
Highest-weight type representation theories of the affine sl(2) and N=2
superconformal algebras are shown to be equivalent modulo the respective
spectral flows
\\ (http://xxx.lanl.gov/abs/hep-th/9701043 , 46kb)
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Paper: hep-th/9701044
From: "Douglas A. Singleton" <da...@erwin.phys.virginia.edu>
Date: Fri, 10 Jan 1997 12:41:45 -0500
Title: Magnetic Charge as a ``Hidden'' Gauge Symmetry
Author: Douglas Singleton
Comments: 13 pages LaTeX
Journal-ref: IJTP, V34 , 37 (1995)
\\
A theory containing both electric and magnetic charges is formulated using
two vector potentials, $A_{\mu}$ and $C_{\mu}$. This has the aesthetic
advantage of treating electric and magnetic charges both as gauge charges, but
it has the experimental disadvantage of introducing a second massless gauge
boson (the ``magnetic'' photon) which is not observed. This problem is dealt
with by using the Higgs mechanism to give a mass to one of the gauge bosons
while the other remains massless. This effectively ``hides'' the magnetic
charge, and the symmetry associated with it, when one is at an energy scale far
enough removed from the scale of the symmetry breaking.
\\ (http://xxx.lanl.gov/abs/hep-th/9701044 , 9kb)
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Paper: hep-th/9701045
From: oskar pelc <os...@cc.huji.ac.il>
Date: Sun, 12 Jan 1997 20:24:40 +0200 (GMT+0200)
Title: The Coulomb Phase in N=1 Gauge Theories With a LG-Type Superpotenetial
Authors: Amit Giveon, Oskar Pelc and Eliezer Rabinovici
Comments: 26 pages, latex, no figures
Report-no: RI-12-96
\\
We consider N=1 supersymmetric gauge theories with a simple classical gauge
group, one adjoint $\Phi, N_f$ pairs ($Q_i,\tilde{Q_i}$) of (fundamental,
anti-fundamental) and a tree-level superpotential with terms of the
Landau-Ginzburg form $\tilde{Q}_i\Phi^lQ_j$. The quantum moduli space of these
models includes a Coulomb branch. We find hyperelliptic curves that encode the
low energy effective gauge coupling for the groups SO(N_c) and USp(N_c)
(the corresponding curve for SU(N_c) is already known). As a consistency
check, we derive the sub-space of some vacua with massless dyons via confining
phase superpotentials. We also discuss the existence and nature of the
non-trivial superconformal points appearing when singularities merge in the
Coulomb branch.
\\ (http://xxx.lanl.gov/abs/hep-th/9701045 , 22kb)
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Paper: hep-th/9701046
From: "Ralf D. Tscheuschner" <I02...@DSYIBM.DESY.DE>
Date: SUN, 12 JAN 97 19:52:23 +0100
Title: Superconducting phase transitions in 2+1 dimensional quantum field
theories modeling generalized polaronic interactions. Part I: Jahn-Teller
inspired models
Authors: Ralf D. Tscheuschner
Comments: 15 pages, LaTeX 2.09, email <ra...@nano.afp.ruhr-uni-bochum.de>
\\
We review the fundamentals of Jahn-Teller interactions and their field
theoretical modelings and show that a 2+1 dimensional gauge theory where the
gauge field couples to "flavored fermions" arises in a natural way from a
two-band model describing the dynamical Jahn-Teller effect. The theory exhibits
a second order phase transition to novel finite-temperature superconductivity.
\\ (http://xxx.lanl.gov/abs/hep-th/9701046 , 18kb)
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Paper (*cross-listing*): gr-qc/9701013
From: Joy Christian <joy.ch...@wolfson.oxford.ac.uk>
Date: Thu, 9 Jan 1997 15:55:42 +0000 (GMT)
Title: An Exactly Soluble Sector of Quantum Gravity
Author: Joy Christian (Oxford)
Comments: 83 pages (tex) plus 1 figure (epsf); uses mtexsis.tex (included)
\\
Cartan's spacetime reformulation of the Newtonian theory of gravity is a
generally-covariant Galilean-relativistic limit-form of Einstein's theory of
gravity known as the Newton-Cartan theory. According to this theory, space is
flat, time is absolute with instantaneous causal influences, and the degenerate
`metric' structure of spacetime remains fixed with two mutually orthogonal
non-dynamical metrics, one spatial and the other temporal. The spacetime
according to this theory is, nevertheless, curved, duly respecting the
principle of equivalence, and the non-metric gravitational connection-field is
dynamical in the sense that it is determined by matter distributions. Here,
this generally-covariant but Galilean-relativistic theory of gravity with a
non-zero cosmological constant, viewed as a parameterized gauge theory of a
gravitational vector-potential minimally coupled to a complex Schrodinger-field
(bosonic or fermionic), is successfully cast - for the first time - into a
manifestly covariant Lagrangian form. Then, exploiting the fact that
Newton-Cartan spacetime is intrinsically globally-hyperbolic with a fixed
causal structure, the theory is recast both into a constraint-free Hamiltonian
form in 3+1-dimensions and into a manifestly covariant reduced phase-space form
with non-degenerate symplectic structure in 4-dimensions. Next, this
Newton-Cartan-Schrodinger system is non-perturbatively quantized using the
standard C*-algebraic technique combined with the geometric procedure of
manifestly covariant phase-space quantization. The ensuing unitary quantum
field theory of Newtonian gravity coupled to Galilean-relativistic matter is
not only generally-covariant, but also exactly soluble.
\\ (http://xxx.lanl.gov/abs/gr-qc/9701013 , 71kb)
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Paper (*cross-listing*): gr-qc/9701014
From: Ruth A W Gregory <R.A.W....@durham.ac.uk>
Date: Thu, 9 Jan 97 17:39:20 GMT
Title: Cosmic strings in dilaton gravity
Authors: Ruth Gregory and Caroline Santos
Comments: 24 pages plain TEX, 4 figures
Report-no: DTP/97/1
\\
We examine the metric of an isolated self-gravitating abelian-Higgs vortex in
dilatonic gravity for arbitrary coupling of the vortex fields to the dilaton.
We look for solutions in both massless and massive dilaton gravity. We compare
our results to existing metrics for strings in Einstein and Jordan-Brans-Dicke
theory. We explore the generalization of Bogomolnyi arguments for our vortices
and comment on the effects on test particles.
\\ (http://xxx.lanl.gov/abs/gr-qc/9701014 , 34kb)
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Paper (*cross-listing*): hep-lat/9701006
From: Konstantinos Anagnostopoulos <kons...@hetws7.nbi.dk>
Date: Thu, 9 Jan 1997 18:30:50 +0100
Date (revised): Fri, 10 Jan 1997 13:28:03 +0100
Title: Quantum geometry of 2d gravity coupled to unitary matter
Authors: J. Ambjorn and K. N. Anagnostopoulos (Niels Bohr Institute)
Comments: LaTeX2e, 38 pages, 13 figures, 32 eps files, added one reference
Report-no: NBI-HE-96-69
\\
We show that there exists a divergent correlation length in 2d quantum
gravity for the matter fields close to the critical point provided one uses the
invariant geodesic distance as the measure of distance. The corresponding
reparameterization invariant two-point functions satisfy all scaling relations
known from the ordinary theory of critical phenomena and the KPZ exponents are
determined by the power-like fall off of these two-point functions. The only
difference compared to flat space is the appearance of a dynamically generated
fractal dimension d_h in the scaling relations. We analyze numerically the
fractal properties of space--time for Ising and three--states Potts model
coupled to 2d dimensional quantum gravity using finite size scaling as well as
small distance scaling of invariant correlation functions. Our data are
consistent with d_h=4, but we cannot rule out completely the conjecture d_H =
-2\alpha_1/\alpha_{-1}, where \alpha_{-n} is the gravitational dressing
exponent of a spin-less primary field of conformal weight (n+1,n+1). We compute
the moments <L^n> and the loop--length distribution function and show that the
fractal properties associated with these observables are identical, with good
accuracy, to the pure gravity case.
\\ (http://xxx.lanl.gov/abs/hep-lat/9701006 , 85kb)
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Paper: hep-th/9605062
replaced with revised version Fri, 10 Jan 1997 19:13:46 +0100
Title: Non-unitary Conformal Field Theory and Logarithmic Operators for
Disordered Systems
Authors: Z. Maassarani, D. Serban
Comments: Latex, 20 pages, one figure. Version accepted for publication in
Nuclear Physics B, minor corrections
Report-no: SPHT-T96/037
\\ (http://xxx.lanl.gov/abs/hep-th/9605062 , 23kb)
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Paper: hep-th/9609060
replaced with revised version Fri, 10 Jan 1997 08:22:45 MST
Title: An Explicit Construction of Casimir Operators and Eigenvalues : I
Authors: H. R. Karadayi and M. Gungormez
Comments: 14 pages, no figures, revised with minor grammatical changes, change
in e-mail address
Report-no: itu-hep 96-01
Subj-class: High Energy Physics - Theory; Mathematical Methods in Physics
\\ (http://xxx.lanl.gov/abs/hep-th/9609060 , 12kb)
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Paper: hep-th/9611017
replaced with revised version Fri, 10 Jan 1997 02:50:16 MST
Title: N=2 Type I-Heterotic Duality and Higher Derivative F-Terms
Authors: Marco Serone
Comments: latex file, 11 pages, no figures, minor corrections and M\"obius
strip contribution included
Report-no: SISSA-159/96/EP
\\ (http://xxx.lanl.gov/abs/hep-th/9611017 , 10kb)
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Paper: hep-th/9611035
replaced with revised version Fri, 10 Jan 97 12:35:04 GMT
Title: The \mu - term in Effective Supergravity Theories
Authors: G.K. Leontaris, N.D. Tracas
Comments: LateX file, 10pages, no figures. Version to appear in Phys. Lett.B
\\ (http://xxx.lanl.gov/abs/hep-th/9611035 , 10kb)
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Paper: hep-th/9612041
replaced with revised version Sat, 11 Jan 1997 13:09:19 MST
Title: A statistical superfield and its observable consequences
Authors: Roland E. Allen
Comments: 35 pages, LaTeX ; to be published in International Journal of Modern
Physics A
Report-no: CTP-TAMU-15/96
\\ (http://xxx.lanl.gov/abs/hep-th/9612041 , 22kb)
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Paper: hep-th/9612195
replaced with revised version Sun, 12 Jan 1997 03:48:20 -0500 (EST)
Title: Monopoles in Quantum Corrected N=2 Super Yang-Mills Theory
Authors: Gordon Chalmers, Martin Rocek, Rikard von Unge
Comments: 31 pages, Latex, 10 figures (eps), minor statement corrected
Report-no: ITP-SB-96-64, USITP-96-14
\\ (http://xxx.lanl.gov/abs/hep-th/9612195 , 246kb)
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Paper: hep-th/9612234
replaced with revised version Fri, 10 Jan 1997 13:37:35 +0900
Title: Vertex Operators for Super Yang-Mills and Multi D-Branes in
Green-Schwarz Superstring
Author: K. Hamada
Comments: Latex, 16 pages
Report-no: KEK-TH-504
\\ (http://xxx.lanl.gov/abs/hep-th/9612234 , 12kb)
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Paper: hep-th/9701025
replaced with revised version Sun, 12 Jan 1997 22:08:19 +0100 (MET)
Title: Proposals on nonperturbative superstring interactions
Author: Lubos Motl
Comments: plain LaTeX, 20 pages, 1st revision: another proof of the R=g^{2/3}
law and references and acknowledgements added
Report-no: HEP-UK-0003
\\ (http://xxx.lanl.gov/abs/hep-th/9701025 , 18kb)
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Paper: hep-th/9701030
replaced with revised version Fri, 10 Jan 1997 11:55:09 -0800 (PST)
Title: On some local properties of Yang-Mills vacuum
Authors: E. I. Guendelman, Aleksey Nudelman
Comments: 6 pages, LaTeX, revised
\\ (http://xxx.lanl.gov/abs/hep-th/9701030 , 5kb)
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Paper: hep-th/9701035
replaced with revised version Fri, 10 Jan 1997 18:02:09 +2
Title: Boundary Conditions in Quantum String Cosmology
Authors: Mariusz P. Dabrowski and Claus Kiefer
Comments: 16 pages, REVTEX, minor changes, two references added
Report-no: Freiburg THEP-96/25
\\ (http://xxx.lanl.gov/abs/hep-th/9701035 , 11kb)
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Paper (*cross-listing*): gr-qc/9612022
replaced with revised version Sun, 12 Jan 1997 23:23:08 +0100 (MET)
Title: Possible quantum gravity effects in a charged Bose condensate under
variable e.m. field
Authors: G. Modanese, J. Schnurer
Comments: 30 pages, LaTeX, no figures. New experimental findings and their
Author (J.S.) added. ASCII version available
Report-no: UTF-391/96
\\ (http://xxx.lanl.gov/abs/gr-qc/9612022 , 23kb)
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Paper (*cross-listing*): hep-ph/9606329
replaced with revised version Fri, 10 Jan 1997 11:09:55 +0100
Title: Macroscopic Universality : Why QCD in Matter is Subtle?
Authors: Romuald A. Janik, Maciej A. Nowak, G\'{a}bor Papp and Ismail Zahed
Comments: Title changed in published version
Journal-ref: Phys. Rev. Letters 77 (1996) 4876
\\ (http://xxx.lanl.gov/abs/hep-ph/9606329 , 17kb)
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Paper (*cross-listing*): physics/9611008
replaced with revised version Fri, 10 Jan 1997 05:10:19 MST
Title: Non-Recursive Multiplicity Formulas for $A_N$ Lie Algebras
Authors: H. R. Karadayi
Comments: 10 pages, no figures, TeX, some minor corrections in pages 3, change
in e-mail address
Report-no: ITU-HEP-08
Subj-class: Mathematical Methods in Physics
\\ (http://xxx.lanl.gov/abs/physics/9611008 , 8kb)
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Report-no: EFI-96-40
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