hep-th daily 9701005 -- 9701012 received (over 3525 served) 1876
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received from Fri 3 Jan 97 01:00:01 GMT to Mon 6 Jan 97 01:00:01 GMT
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Paper: hep-th/9701005
From: Detlev Buchholz <buch...@kurims.kyoto-u.ac.jp>
Date: Fri, 3 Jan 1997 11:08:51 +0900 (JST)
Title: Spontaneous Collapse of Supersymmetry
Authors: Detlev Buchholz and Izumi Ojima
Comments: 22 pages, ams-latex, no figures
\\
It is shown that, if generators of supersymmetry transformations
(supercharges) can be defined in a spatially homogeneous physical state, then
this state describes the vacuum. Thus, supersymmetry is broken in any thermal
state and it is impossible to proceed from it by ``symmetrization'' to states
on which an action of supercharges can be defined. So, unlike the familiar
spontaneous breakdown of bosonic symmetries, there is a complete collapse of
supersymmetry in thermal states. It is also shown that spatially homogeneous
superthermal ensembles are never supersymmetric.
\\ (http://xxx.lanl.gov/abs/hep-th/9701005 , 16kb)
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Paper: hep-th/9701006
From: Alfonso Jaramillo <alfonso....@uv.es>
Date: Fri, 3 Jan 1997 04:24:59 MST
Title: Confinement in 3D Gluodynamics as a 2D Critical Phenomenon
Authors: A. Ferrando (1 and 2), A. Jaramillo (1) and S. Shabanov (1). ((1)
Valencia U., (2) MIT)
Comments: 4 pages, LaTeX. Talk presented at the 2nd Int. Conf. on Quark
Confinement and the Hadron Spectrum in Como (Italy)
Report-no: FTUV/96-77. IFIC/96-86
\\
Gluodynamics in 3D spacetime with one spatial direction compactified into a
circle of length $L$ is studied. The confinement order parameters, such as
the Polyakov loops, are analyzed in both the limits $L \to 0$ and $L \to
\infty$. In the latter limit the behavior of the confinement order parameters
is shown to be described by a 2D non-linear sigma-model on the compact coset
space $G/ad G$, where $G$ is the gauge group and $ad G$ its adjoint action on
$G$. Topological vortex-like excitations of the compact field variable cause
a Kosterlitz-Thouless phase transition which is argued to be associated with
the confinement phase transition in the 3D gluodynamics.
\\ (http://xxx.lanl.gov/abs/hep-th/9701006 , 9kb)
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Paper: hep-th/9701007
From: Herbert Neuberger <neu...@physics.rutgers.edu>
Date: Fri, 3 Jan 1997 09:54:27 -0500
Title: Finite size corrections in two dimensional gauge theories and a
quantitative chiral test of the overlap
Authors: Y. Kikukawa (1), R. Narayanan (2), H. Neuberger (1) ((1) Rutgers, (2)
U. of Washington)
Comments: 11 pages, 1 figure, TeX, epsf
Report-no: RU-97-01
\\
An argument is presented for a certain universality of finite size
corrections in two dimensional gauge theories. In the abelian case a direct
calculation is carried out for a particular chiral model. The analytical result
confirms the above universality and that the 't Hooft vertex previously
measured using the overlap smoothly approaches the correct continuum limit
within statistical errors.
\\ (http://xxx.lanl.gov/abs/hep-th/9701007 , 11kb)
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Paper: hep-th/9701008
From: John Schwarz <j...@schwarz.theory.caltech.edu>
Date: Fri, 3 Jan 1997 15:47:42 -0800
Title: Coupling a Self-Dual Tensor to Gravity in Six Dimensions
Author: John H. Schwarz
Comments: 7 pages, latex, no figures
Report-no: CALT-68-2091
\\
A recent result concerning interacting theories of self-dual tensor gauge
fields in six dimensions is generalized to include coupling to gravity. The
formalism makes five of the six general coordinate invariances manifest,
whereas the sixth one requires a non-trivial analysis. The result should be
helpful in formulating the world-volume action of the M theory five-brane.
\\ (http://xxx.lanl.gov/abs/hep-th/9701008 , 6kb)
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Paper: hep-th/9701009
From: sky...@het.ph.tsukuba.ac.jp (Sung-Kil Yang)
Date: Sat, 4 Jan 97 10:56:52 JST
Title: N=2 Curves and a Coulomb Phase in N=1 SUSY Gauge Theories with Adjoint
and Fundamental Matters
Authors: T. Kitao, S. Terashima and S.-K. Yang
Comments: 12 pages, Latex, no figures
Report-no: UTHEP-356
\\
We study low-energy effective superpotentials for the phase with a confined
photon in N=1 supersymmetric gauge theories with an adjoint matter $\Phi$ and
fundamental flavors $Q, \tilde Q$. Arbitrary classical gauge groups are
considered. The results are used to derive the hyperelliptic curves which
describe the Coulomb phase of N=2 supersymmetric QCD with classical gauge
groups. These curves are in agreement with those proposed earlier by several
authors. Our results also produce the curves relevant to describe the Coulomb
phase of N=1 theories with a superpotential of the form $\tilde{Q} \Phi^{l} Q$.
\\ (http://xxx.lanl.gov/abs/hep-th/9701009 , 8kb)
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Paper: hep-th/9701010
From: Isbelia Martin <isbe...@usb.ve>
Date: Sat, 4 Jan 1997 15:34:09 -0400 (GMT-0400)
Title: Duality on Higher Order U(1) Bundles
Authors: M. I. Caicedo, I. Martin and A. Restuccia
Comments: 25 pages, latex, one figure
Report-no: USB-Dec-1996
\\
A new global approach in the study of duality transformations is introduced.
The geometrical structure of complex line bundles is generalized to higher
order U(1) bundles which are classified by quantized charges and duality maps
are formulated over these structures. Quantum equivalence is shown between dual
theories. A global constraint is proven to be needed to achieve well defined
bundles. These global structures are used to refine the proof of the duality
equivalence between d=11 supermembrane and d=10 IIA Dirichlet supermembrane,
giving a complete topological interpretation to their quantized charges.
\\ (http://xxx.lanl.gov/abs/hep-th/9701010 , 17kb)
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Paper: hep-th/9701011
From: Stephen Fletcher Hewson <S.F.H...@damtp.cam.ac.uk>
Date: Sat, 4 Jan 1997 21:55:00 +0000 (GMT)
Title: Generalised supersymmetry and p-brane actions
Authors: Stephen Hewson
Comments: 29 pages LaTex, no figures
Report-no: DAMTP-R-97-01
\\
We investigate the most general N=1 graded extension of the Poincare
algebra, and find the corresponding supersymmetry transformations and the
associated superspaces. We find that the supersymmetry for which {Q,Q}=P is
not special, and in fact must be treated democratically with a whole class of
supersymmetries. We show that there are two distinct types of grading, and a
new class of general spinors is defined. The associated superspaces are shown
to be either of the usual type, or flat with no torsion. p-branes are discussed
in these general superspaces and twelve dimensions emerges as maximal. New
types of brane are discovered which could explain many features of the standard
p-brane theories.
\\ (http://xxx.lanl.gov/abs/hep-th/9701011 , 22kb)
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Paper: hep-th/9701012
From: Reinhard Oehme <oe...@yukawa.uchicago.edu>
Date: Sun, 5 Jan 1997 10:14:18 -0600 (CST)
Title: Duality, Superconvergence and the Phases of Gauge Theories
Author: Reinhard Oehme
Comments: 20 pages, Latex
Report-no: EFI 96-42, MPI-Ph/96/82
\\
Results about the phase structure of certain N=1 supersymmetric gauge
theories, which have been obtained as a consequence of holomorphy and
`electric-magnetic' duality, are shown to be in quantitative agreement
with corresponding consequences of analyticity and superconvergence of the
gauge field propagator. This connection is of interest, because the
superconvergence arguments for confinement are not restricted to theories
with supersymmetry. The method of reduction in the space of coupling parameters
is used in order to define, beyond the matching conditions, an asymptotically
free, dual magnetic theory involving Yukawa couplings.
\\ (http://xxx.lanl.gov/abs/hep-th/9701012 , 12kb)
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Paper (*cross-listing*): cond-mat/9612235
From: Motohiko Yoshimura <yos...@tuhep.phys.tohoku.ac.jp>
Date: Sat, 28 Dec 1996 14:12:46 +0900
Title: Quantum Dissipation in Open Harmonic Systems: Operator Solution
Authors: I. Joichi, Sh. Matsumoto, and M. Yoshimura
Comments: 15 pages, LATEX file with 2 PS figures.Figures also available at
ftp://tuhep.phys.tohoku.ac.jp/preprints/operator
Report-no: TU/96/514
Subj-class: Statistical Mechanics
\\
A finite number of harmonic oscillators coupled to infinitely many
environment oscillators is fundamental to the problem of understanding quantum
dissipation of a small system immersed in a large environment. Exact operator
solution as a function of time is given to this problem, by using diagonalized
dynamical variable of the entire system, the small system plus the environment.
The decay law of prepared initial configuration is worked out in greatest
detail. A clear separation of the exponential- and the power-law decay period
is made possible by our method. Behavior of physical quantities at
asymptotically late times can be understood in terms of the overlap probability
of the system variable with the diagonal variable of the entire system.
\\ (http://xxx.lanl.gov/abs/cond-mat/9612235 , 58kb)
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Paper (*cross-listing*): cond-mat/9701002
From: Osamu Tsuchiya <otu...@hep1.c.u-tokyo.ac.jp>
Date: Wed, 1 Jan 97 19:12:51 +0900
Date (revised): Thu, 2 Jan 97 20:36:13 +0900
Title: Boundary S matrices for the open Hubbard chain with boundary fields
Authors: Osamu Tsuchiya
Comments: Latex,12 pages
Report-no: UT-Komaba 96-31
Subj-class: Statistical Mechanics
\\
Using the method introduced by Grisaru et al., boundary S matrices for the
physical excitations of the open Hubbard chain with boundary fields are
studied. In contrast to the open supersymmetric t-J model, the boundary S
matrix for the charge excitations depends on the boundary fields though the
boundary fields do not break the spin-SU(2) symmetry.
\\ (http://xxx.lanl.gov/abs/cond-mat/9701002 , 10kb)
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Paper: hep-th/9611145
replaced with revised version Fri, 3 Jan 1997 11:33:47 +0100
Title: Criticality and Scaling in 4D Quantum Gravity
Authors: I. Antoniadis, P.O. Mazur and E. Mottola
Comments: 15 pages, LaTeX, 2 PS-figures, references and typographical errors
corrected (published version to appear in Phys. Lett. B)
Report-no: CPTH-S473.1096, LA-UR-96-4027
\\ (http://xxx.lanl.gov/abs/hep-th/9611145 , 31kb)
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Paper: hep-th/9612085
replaced with revised version Sun, 5 Jan 1997 17:17:58 +0100
Title: Non-Critical Strings, Del Pezzo Singularities And Seiberg-Witten Curves
Authors: W. Lerche, P. Mayr and N.P. Warner
Comments: 29 pages, harvmac, 1 figure, minor corrections
Report-no: CERN-TH/96-326,USC-96/026
\\ (http://xxx.lanl.gov/abs/hep-th/9612085 , 38kb)
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Paper: hep-th/9612198
replaced with revised version Sun, 5 Jan 1997 21:36:09 +0100 (MET)
Title: Quaternions and M(atrix) theory in spaces with boundaries
Author: Lubos Motl
Comments: plain LaTeX, 15 pages, references, school info and notes added (real
matrix case, Mobius membranes and so on...)
Report-no: HEP-UK-0002
\\ (http://xxx.lanl.gov/abs/hep-th/9612198 , 13kb)
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Paper (*cross-listing*): cond-mat/9611214
replaced with revised version Sat, 4 Jan 97 15:31:26 JST
Title: Universal Wide Correlators in Non-Gaussian Orthogonal, Unitary and
Symplectic Random Matrix Ensembles
Author: Chigak Itoi (Department of Physics, Nihon University, Tokyo, Japan)
Comments: 10 pages LaTex, added necessary references
Report-no: NUP-A-96-15
\\ (http://xxx.lanl.gov/abs/cond-mat/9611214 , 7kb)
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Paper (*cross-listing*): quant-ph/9602002
replaced with revised version Fri, 3 Jan 97 15:52:00 GMT
Title: Method for Detecting Berry's Phase in a Modified Paul Trap
Authors: Jong-Chan Park, Jeong-Young Ji and Kwang-Sup Soh
Comments: 18 pages revTeX, 4 figures included as epsfig.sty; to be published in
J. Korean Phys. Soc
Report-no: SNUTP 96-005
\\ (http://xxx.lanl.gov/abs/quant-ph/9602002 , 61kb)
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Report-no: EFI-96-40
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