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 |
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hep-ph/9301230 | Instanton Condensation in Field Strength Formulated QCD | Field strength formulated Yang-Mills theory is confronted with the
traditional formulation in terms of gauge fields. It is shown that both
formulations yield the same semiclassics, in particular the same instanton
physics. However, at the tree level the field strength approach is superior
because it already includes a ... | 1993-01-12 | 2007-05-23 | [
"hep-ph"
] | K.Langfeld, H.Reinhardt |
hep-ph/9301234 | Color--Sextet Quark Condensation in QCD | We suggest that the sextet color condensation model is not only the simplest
and most attractive scheme to modify the standard model but also may already
have some ``experimental" support. The crucial test may be to observe a short--
lived axion--like $\eta_6$ of mass around 60 GeV/$c^2$ that can produce high
energy ph... | 1993-01-12 | 2007-05-23 | [
"hep-ph"
] | Kyungsik Kang and Alan R. White |
hep-ph/9301233 | Nucleon Form Factors in a Relativistic Quark Model | We demonstrate that a relativistic constituent-quark model can give nucleon
form factors in agreement with data for both low and high momentum transfer.
The relativistic features of the model and the specific form of the wave
function are essential for the result. | 1993-01-12 | 2009-10-22 | [
"hep-ph"
] | Felix Schlumpf |
hep-ph/9301231 | Massive neutrinos and electroweak baryogenesis | We show that certain models for neutrino masses that lead to the MSW
explanation of the solar neutrino data and/or the hot dark matter component in
the universe can also naturally allow for the successful generation of the
cosmological baryon asymmetry at the electroweak scale. This follows either
because the experimen... | 1993-01-12 | 2009-09-17 | [
"hep-ph"
] | J.T. Peltoniemi and J.W. F. Valle |
hep-ph/9301228 | Generation of the Baryon Asymmetry of the Universe within the
Left--Right Symmetric Model | Fermions scattering off first-order phase transition bubbles, in the
framework of $SU(2)_L\otimes SU(2)_R\otimes U(1)$ models, may generate the
Baryon Asymmetry of the Universe (BAU), either at the $LR$-symmetry-breaking
scale, or at the weak scale. In the latter case, the baryon asymmetry of the
Universe is related to... | 1993-01-11 | 2010-11-01 | [
"hep-ph"
] | J.-M. Fr\`ere, L. Houart, J.M. Moreno, J. Orloff and M. Tytgat |
hep-ph/9301229 | Stranger Still: Kaon Loops and Strange Quark Matrix Elements of the
Nucleon | Intrinsic strangeness contributions to low-energy strange quark matrix
elements of the nucleon are modelled using kaon loops and meson-nucleon vertex
functions taken from nucleon-nucleon and nucleon-hyperon scattering. A
comparison with pion loop contributions to the nucleon electromagnetic (EM)
form factors indicates ... | 1993-01-11 | 2014-11-17 | [
"hep-ph",
"nucl-th"
] | M.J. Musolf and M. Burkardt |
hep-ph/9301227 | Instantons in Field Strength Formulated Yang-Mills Theories | It is shown that the field strength formulated Yang-Mills theory yields the
same semiclassics as the standard formulation in terms of the gauge potential.
This concerns the classical instanton solutions as well as the quantum
fluctuations around the instanton. | 1993-01-11 | 2010-11-01 | [
"hep-ph"
] | H.Reinhardt, K.Langfeld, L.v.Smekal |
hep-ph/9301226 | The effects of a strongly interacting Higgs sector on
$\gamma\,\gamma\rightarrow W_L^+\,W_L^-, Z_L^{\,0}\,Z_L^{\,0}$ scattering | We study the effects of a strongly interacting Higgs sector on the amplitudes
for $\gamma\,\gamma\rightarrow W_L^+\,W_L^-, Z_L^{\,0}\,Z_L^{\,0}$ by
unitarizing the $W_L^+\,W_L^-, Z_L^{\,0}\,Z_L^{\,0}, \gamma\,\gamma$ system
using the $K$--matrix technique. Unitarization produces substantial corrections
to the cross sec... | 1993-01-10 | 2009-10-22 | [
"hep-ph"
] | A. Abbasabadi, David Bowser-Chao, Duane A. Dicus, and Wayne W. Repko |
hep-ph/9301225 | Probing CP Violation Via Higgs Decays to Four Leptons | Since decays to four leptons is widely considered a promising way to search
for the Higgs particle, we show how the same final state can also be used to
search for signals of CP nonconservation. Energy asymmetries and triple
correlations are related to parameters in the underlying CP violating effective
interaction at ... | 1993-01-10 | 2010-11-01 | [
"hep-ph"
] | A. Soni and R. M. Xu |
hep-ph/9301219 | Chiral Corrections to Hyperon Vector Form Factors | We show that the leading $SU(3)$-breaking corrections to the $\Delta S = 1$
$f_1$ vector form factors of hyperons are $O(m_s)$ and $O(m_s^{3/2})$, and are
expected to be $\sim 20$--$30\%$ by dimensional analysis. This is consistent
with the Ademollo--Gatto theorem, in a sense that we explain. We compute the
$O(m_s)$ co... | 1993-01-08 | 2009-10-22 | [
"hep-ph"
] | Jeffrey Anderson and Markus A. Luty |
hep-ph/9301223 | The Rate for $e^+e^-\to B B^\pm \pi^\mp$ and its Implications for the
Study of CP Violation, $B_s$ Identification, and the Study of $B$ Meson
Chiral Perturbation Theory | H.~Yamamoto has proposed employing $B$ mesons produced in conjunction with a
single charged pion at an $\Upsilon$ resonance for studies of CP violation in
the neutral $B$ meson system at a symmetric $e^+$-$e^-$ collider. The sign of
the charged pion would tag the neutral $B$ meson. We estimate this branching
ratio, emp... | 1993-01-08 | 2009-09-15 | [
"hep-ph"
] | Laurent Lellouch, Lisa Randall and Eric Sather |
hep-ph/9301222 | Triviality Bounds in Two-Doublet Models | We examine perturbatively the two-Higgs-doublet extension of the \SM\ in the
context of the suspected triviality of theories with fundamental scalars.
Requiring the model to define a consistent effective theory for scales below a
cutoff of $2\pi$ times the largest mass of the problem, as motivated by lattice
investigat... | 1993-01-08 | 2009-10-22 | [
"hep-ph",
"hep-lat"
] | Dimitris Kominis and R. Sekhar Chivukula |
hep-ph/9301224 | Measuring velocity ratios with correlation functions | We show how to determine the ratio of the transverse velocity of a source to
the velocity of emitted particles, using split-bin correlation functions. The
technique is to measure $S_2$ and $S_2^{\phi}$, subtract the contributions from
the single-particle distribution, and take the ratio as the bin size goes to
zero. We... | 1993-01-08 | 2010-01-06 | [
"hep-ph",
"nucl-th"
] | David Seibert, Kevin Haglin and Charles Gale |
hep-ph/9301220 | Construction of Realistic superstring Standard--like Models | I discuss the construction of realistic superstring standard--like models in
the four dimensional free fermionic formulation. I discuss proton lifetime
constraints on superstring models. I discuss the massless spectrum of the
superstring standard--like models, the texture of fermion mass matrices in
these models and ar... | 1993-01-08 | 2009-10-22 | [
"hep-ph",
"hep-th"
] | Alon E. Faraggi |
hep-ph/9301221 | A possible glueball contribution to the Goldberger-Treiman relations | We discuss the influence of glueball coupling to nucleons on the weak
axial-vector coupling constants including singlet channel. We consider a
possibility of introduction of constituent gluon contribution to the proton
spin. The estimated value for this quantity seems to be rather small. | 1993-01-08 | 2009-10-22 | [
"hep-ph"
] | Jan Bartelski and Stanislaw Tatur |
hep-ph/9301215 | Quark-Gluon Jet Differences at LEP | A new method to identify the gluon jet in 3-jet ``{\bf Y}'' decays of $Z^0$
is presented. The method is based on differences in particle multiplicity
between quark jets and gluon jets, and is more effective than tagging by
leptonic decay. An experimental test of the method and its application to a
study of the ``string... | 1993-01-07 | 2009-10-22 | [
"hep-ph"
] | Jon Pumplin |
hep-ph/9301217 | Bubble Free Energy in Cosmological Phase Transitions | Free energy as a function of temperature and the bubble radius is determined
for spherical bubbles created in cosmological first order phase transitions.
The phase transition is assumed to be driven by an order parameter (e.g. a
Higgs field) with quartic potential. The definition of the bubble radius and
the correspond... | 1993-01-07 | 2010-11-01 | [
"hep-ph"
] | J. Ignatius |
hep-ph/9301216 | Double Pomeron Opportunities at SQRT(s) = 1.8 Tev | I describe possible ways to discover hard double pomeron exchange (HDPE) with
the existing detectors at the Fermilab Tevatron, by using the small-angle
``luminosity'' counters as a veto. Estimates of the cross sections and
backgrounds are made. In addition to the intrinsic importance of HDPE, its
observation would be u... | 1993-01-07 | 2009-12-30 | [
"hep-ph"
] | Jon Pumplin |
hep-ph/9301218 | Dilepton and photon production in the 'hot-glue' scenario | Perturbative analysis of parton kinetics for high energy nuclear collisions
shows, that thermal equilibration of gluons happens very fast, while quark
production is much slower. A simple 'minimal model' is proposed which includes
only in-coming quarks and anti-quarks. We have found that a smaller quark
number is more t... | 1993-01-07 | 2009-10-22 | [
"hep-ph"
] | E.Shuryak and L.Xiong |
hep-ph/9301214 | QED Radiative Corrections to the Decay $\pi^{0} \rightarrow e^{+}e^{-}$ | In view of the recent interest in the decays of mesons into a pair of light
leptons, a computation of the QED radiative corrections to the decay of
$\pi^{0}$ into an electron-positron pair is presented here. The results
indicate that the peak value of the differential decay rate is reduced by about
$50 \%$, because of ... | 1993-01-07 | 2015-06-25 | [
"hep-ph"
] | George Triantaphyllou |
hep-ph/9301211 | Neutrinos with Mixing in Twisting Magnetic Fields | Transitions in a system of neutrinos with vacuum mixing and magnetic moments,
propagating in matter and transverse magnetic field, are considered. It is
shown that in the realistic case of magnetic field direction varying along the
neutrino path qualitatively new phenomena become possible: permutation of
neutrino conve... | 1993-01-06 | 2008-11-26 | [
"hep-ph",
"astro-ph"
] | E.Kh. Akhmedov, S.T. Petcov, A. Yu. Smirnov |
hep-ph/9301212 | D\bar{D}$ Mixing in Heavy Quark Effective Field Theory: The Sequel | We perform a quantitative analysis of $D\bar{D}$ mixing in Heavy Quark
Effective Field Theory (HqEFT) including leading order QCD corrections. We find
an enhancement of the short-distance contribution by a factor of two or three. | 1993-01-06 | 2010-11-01 | [
"hep-ph"
] | Thorsten Ohl, Giulia Ricciardi, and Elizabeth H. Simmons |
hep-ph/9301213 | Planck Scale Symmetry Breaking and Majoron Physics | Majoron models provide neutrino masses via the spontaneous breaking of a
global $U(1)$ symmetry. However, it may be argued that all global symmetries
will be explicitly violated by gravitational effects. We show that it is
possible to preserve most of the usual features of majoron models by invoking
$U(1)_{B-L}$ to be ... | 1993-01-06 | 2011-05-12 | [
"hep-ph"
] | K.S. Babu, I.Z. Rothstein and D. Seckel |
hep-ph/9301207 | Color, from baryon spectroscopy to qcd | I review the discovery of the color degree of freedom in hadronic physics,
and the developments which led from that discovery to the local gauge theory of
color, quantum chromodynamics. | 1993-01-05 | 2007-05-23 | [
"hep-ph"
] | O.W. Greenberg |
hep-ph/9301210 | Calculation of 130 Gev Mass for T-Quark | A 130 GeV mass is calculated for the t-quark, also called the truth quark or
the top quark.
The 130 GeV T-quark mass is consistent with the analysis of Dalitz and
Goldstein (131 GeV (-11, +22 )) of a CDF T-quark candidate event [1]. It is not
consistent with the theoretical calculations of Dimopoulos, Hall, and Raby ... | 1993-01-05 | 2008-02-03 | [
"hep-ph"
] | F. D. T. Smith |
hep-ph/9301208 | Spherical Quantum Chromodynamics of Heavy Quark Systems | We propose a model for Quantum Chromodynamics, obtained by ignoring the
angular dependence of the gluon fields, which could qualitatively describe
systems containing one heavy quark. This leads to a two dimensional gauge
theory which has chiral symmetry and heavy quark symmetry. We show that in a
light cone formalism, ... | 1993-01-05 | 2010-11-01 | [
"hep-ph"
] | K. S. Gupta, S. Guruswamy and S. G. Rajeev |
hep-ph/9301205 | Errata for Higgs Bosons in Supersymmetric Models: I, II and III | Errata are given for J.F. Gunion and H.E. Haber, Nucl. Phys. B272 (1986) 1,
Nucl. Phys. B278 (1986) 449, and Nucl. Phys. B307 (1988) 445. | 1993-01-05 | 2007-05-23 | [
"hep-ph"
] | John F. Gunion and Howard E. Haber |
hep-ph/9301206 | Implications of $\tau$ Decays into Strange Scalar and Axial Vector
Mesons | Recent reports of the observation of the decay $\tau \rarrow \nu_{\tau} + K +
\pi + \pi$ raise interesting questions. The $u-s$ quark mass difference can
induce an effective second-class current in the strange sector and enhance
decays to helicity-suppressed scalar states. This suggests searches for scalar
strange meso... | 1993-01-05 | 2014-11-17 | [
"hep-ph"
] | Harry J. Lipkin |
hep-ph/9301209 | The $\eta_6$ and Massive Photon Pairs at LEP | The $\eta_6$, a ``heavy axion'' associated with sextet quark electroweak
symmetry breaking, may have been seen at LEP via its two-photon decay mode and
also at TRISTAN via its hadronic decay modes. - presented at DPF 92. | 1993-01-05 | 2007-05-23 | [
"hep-ph"
] | Alan R. White, Ian G. Knowles and Kyungsik Kang |
hep-ph/9301204 | QCD Corrections to Toponium Production at Hadron Colliders | Toponium production at future hadron colliders is investigated. Perturbative
QCD corrections to the production cross section for gluon fusion are calculated
as well as the contributions from gluon-quark and quark-antiquark collisions to
the total cross section. The dependence on the renormalization and
factorization sc... | 1993-01-04 | 2011-07-19 | [
"hep-ph"
] | J.H. K"uhn and E. Mirkes |
hep-ph/9301203 | Measuring the Wess-Zumino Anomaly in Tau Decays | We propose to measure the Wess-Zumino anomaly contribution by considering
angular distributions in the decays $\tau\to\nu_\tau \eta\pi^{-}\pi^{0}$,
$\tau\to\nu_\tau K^- \pi^{-} K^+ $ and $\tau\to\nu_\tau K^- \pi^- \pi^+$.
Radial excitations of the $K^*$, which cannot be seen in $e^++e^-$, should be
observed in the $ K^... | 1993-01-04 | 2009-10-22 | [
"hep-ph"
] | R. Decker and E. Mirkes |
hep-ph/9301202 | On the Validity of Perturbative Evolution of Structure Functions from
Low $Q^2$ | The validity of using QCD perturbation theory to generate dynamically the
parton distribution functions of hadrons, starting from a valencelike input at
low $Q^2$, is discussed. In particular, we consider the prescription of Barone
{\em et al} who evolve from $Q^2 = 0$, and that of Gl\"uck {\em et al} who
start evoluti... | 1993-01-04 | 2008-11-26 | [
"hep-ph"
] | J.R.Forshaw |
hep-ph/9301201 | Electroweak Strings: A Progress Report | I describe the string solutions in the standard electroweak model and argue
that they may be stabilized by quark, lepton or other bound states. I then
reinterpret the sphaleron in terms of electroweak strings and show that it can
be viewed as a loop of W-string or a segment of Z-string. (Talk presented at
Texas/Pascos ... | 1993-01-03 | 2009-10-22 | [
"hep-ph"
] | T. Vachaspati |
hep-th/9312211 | The Projection Postulate of Quantum Mechanics on the Lightcone | We discuss an interpretation of the projection postulate that implies
collapse of the wavefunction along the lightcone. | 1993-12-31 | 2009-10-22 | [
"hep-th"
] | J. Finkelstein |
hep-th/9312214 | The representations of Temperley-Lieb-Jones algebras | Representations of braid group obtained from rational conformal field
theories can be used to obtain explicit representations of Temperley-Lieb-Jones
algebras. The method is described in detail for SU(2)$_k$ Wess - Zumino
conformal field theories and its generalization to an arbitrary rational
conformal field theory ou... | 1993-12-31 | 2009-10-22 | [
"hep-th",
"math.QA"
] | R. K. Kaul |
hep-th/9312213 | On a c-number quantum $\tau$-function | We first review the properties of the conventional $\tau$-functions of the KP
and Toda-lattice hierarchies. A straightforward generalization is then
discussed. It corresponds to passing from differential to finite-difference
equations; it does not involve however the concept of operator-valued
$\tau$-function nor the o... | 1993-12-31 | 2011-04-20 | [
"hep-th",
"nlin.SI",
"solv-int"
] | A. Mironov, A. Morozov, L. Vinet |
hep-th/9312212 | $2d$ gravity and matrix models. I. $2d$ gravity | Some approaches to $2d$ gravity developed for the last years are reviewed.
They are physical (Liouville) gravity, topological theories and matrix models.
A special attention is paid to matrix models and their interrelations with
different approaches. Almost all technical details are omitted, but examples
are presented. | 1993-12-31 | 2011-04-15 | [
"hep-th"
] | A.Mironov |
hep-th/9312210 | Generalized Kazakov-Migdal-Kontsevich Model: group theory aspects | The Kazakov-Migdal model, if considered as a functional of external fields,
can be always represented as an expansion over characters of $GL$ group. The
integration over "matter fields" can be interpreted as going over the {\it
model} (the space of all highest weight representations) of $GL$. In the case
of compact uni... | 1993-12-31 | 2009-10-22 | [
"hep-th",
"nlin.SI",
"solv-int"
] | S.Kharchev, A.Marshakov, A.Mironov, A.Morozov |
hep-th/9312208 | Eigensystem and Full Character Formula of the W_{1+infinity} Algebra
with c=1 | By using the free field realizations, we analyze the representation theory of
the W_{1+infinity} algebra with c=1. The eigenvectors for the Cartan subalgebra
of W_{1+infinity} are parametrized by the Young diagrams, and explicitly
written down by W_{1+infinity} generators. Moreover, their eigenvalues and full
character... | 1993-12-30 | 2009-10-22 | [
"hep-th"
] | H. Awata, M. Fukuma, S. Odake and Y.-H. Quano |
hep-th/9312205 | q-def oscillator associated with Calogero model and its q-coherent state | We present the q-deformed ^M para-bose oscillators associated with (two-body)
Calogero model.^M q-deformed coherent state is also constructed and its
resolution of unity ^M is demonstrated. | 1993-12-30 | 2009-10-22 | [
"hep-th"
] | K.H.Cho, Chaiho Rim, D.S.Soh, S.U. Park |
hep-th/9312209 | On Dubrovin Topological Field Theories | I show that the new topological field theories recently associated by
Dubrovin with each Coxeter group may be all obtained in a simple way by a
``restriction'' of the standard ADE solutions. I then study the Chebichev
specializations of these topological algebras, examine how the Coxeter graphs
and matrices reappear in... | 1993-12-30 | 2011-07-19 | [
"hep-th"
] | J.-B. Zuber |
hep-th/9312207 | Manifestly Finite Perturbation Theory for the Short-Distance Expansion
of Correlation Functions in the Two Dimensional Ising Model | In the spirit of classic works of Wilson on the renormalization group and
operator product expansion, a new framework for the study of the theory space
of euclidean quantum field theories has been introduced. This formalism is
particularly useful for elucidating the structure of the short-distance
expansions of the $n$... | 1993-12-29 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | B. Mikhak and A.M. Zarkesh |
hep-th/9312203 | On Projective Gravity and the vanishing of the Cosmological Constant | We generalize Einstein's Lagrangian in a non-polynomial (in R) way. The usual
Lagrangian (linear in R) is the zero $\alpha'$ limit of our theory, where
$\alpha'$ is a parameter that is interpreted as the inverse cosmological
costant before the Planck time. The theory space of this lagrangian admits a
${\bf Z_{2}}$ modu... | 1993-12-29 | 2008-02-03 | [
"hep-th"
] | C. Gasparakis |
hep-th/9312206 | Renormalization of gauge invariant operators and anomalies in Yang-Mills
theory | A long-standing conjecture on the structure of renormalized, gauge invariant,
integrated operators of arbitrary dimension in Yang-Mills theory is
established. The general solution of the consistency condition for anomalies
with sources included is also derived. This is achieved by computing
explicitely the cohomology o... | 1993-12-29 | 2009-10-22 | [
"hep-th"
] | G. Barnich and M. Henneaux |
hep-th/9312204 | Abelian Chern-Simons field theory and anyon equation on a torus | We quantize the abelian Chern-Simons theory coupled to non-relativistic
matter field on a torus without invoking the flux quantization. Through a
series of canonical transformations which is equivalent to solving the Gauss
constraint, we obtain an effective hamiltonian density with periodic matter
field. We also obtain... | 1993-12-29 | 2009-10-22 | [
"hep-th"
] | Kyung-Hyun Cho and Chaiho Rim |
hep-th/9312200 | Swimming of Microorganisms Viewed from String and Membrane Theories | Swimming of microorganisms is studied from a viewpoint of extended objects
(strings and membranes) swimming in the incompressible f luid of low Reynolds
number. The flagellated motion is analyzed in two dimensional fluid, by using
the method developed in the ciliated motion with the Joukowski transformation.
Discussion... | 1993-12-28 | 2009-10-22 | [
"hep-th"
] | Masako Kawamura, Akio Sugamoto and Shin'ichi Nojiri |
hep-th/9312198 | Two-Dimensional Dilaton Gravity Black Hole Solution for $N=2$
Superstring Theory | We show that $N=8$ {\it self-dual} supergravity theory, which is the
consistent background for $N=2$ closed superstring theory in $2+2\-$dimensions,
can accommodate the recently discovered two-dimensional dilaton gravity black
hole solution, {\it via} appropriate dimensional reductions and truncations.
Interestingly, t... | 1993-12-28 | 2009-10-22 | [
"hep-th"
] | Hitoshi Nishino |
hep-th/9312199 | Relation between Yang-Baxter and Pair Propagation Equations in 16-Vertex
Models | We study a relation between two integrability conditions, namely the
Yang-Baxter and the pair propagation equations, in 2D lattice models. While the
two are equivalent in the 8-vertex models, discrepancies appear in the
16-vertex models. As explicit examples, we find the exactly solvable 16-vertex
models which do not s... | 1993-12-28 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | Changrim Ahn, Minoru Horibe and Kazuyasu Shigemoto |
hep-th/9312201 | On Nonlinear Superconformal Algebras With N > 4 | We discuss the structure, realizations and quantum BRST operators of a class
of nonlinear superconformal algebras with N > 4. | 1993-12-28 | 2007-05-23 | [
"hep-th"
] | Z. Khviengia and E. Sezgin |
hep-th/9312202 | The Perturbative Calculation of the Spin-Spin Correlation Function in
the Two Dimensional Ising Model | Using the variational formula for operator product coefficients a method for
perturbative calculation of the short-distance expansion of the Spin-Spin
correlation function in the two dimensional Ising model is presented. Results
of explicit calculation up to third order agree with known results from the
scaling limit o... | 1993-12-28 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | B. Mikhak and A.M. Zarkesh |
hep-th/9312195 | Solutions of quantum Yang-Baxter equation related to $U_q (gl(2))$
algebra and associated integrable lattice models | A coloured braid group representation (CBGR) is constructed with the help of
some modified universal ${\cal R}$-matrix, associated to $U_q(gl(2))$ quantised
algebra. Explicit realisation of Faddeev-Reshetikhin-Takhtajan (FRT) algebra is
built up for this CBGR and new solutions of quantum Yang-Baxter equation are
subseq... | 1993-12-27 | 2008-02-03 | [
"hep-th",
"math.QA"
] | B. Basu-Mallick |
hep-th/9312197 | Vacuum curves, classical integrable systems in discrete space-time and
statistical physics | A dynamical system with discrete time is studied by means of algebraic
geometry. The system admits a reduction that is interpreted as a classical
field theory in 2+1-dimensional wholly discrete space-time. The integrals of
motion of a particular case of the reduced system are shown to coincide, in
essence, with the sta... | 1993-12-27 | 2007-05-23 | [
"hep-th"
] | I.G. Korepanov |
hep-th/9312196 | Drinfel'd algebra deformations and the associahedra | We construct a cohomology theory controlling the deformations of a general
Drinfel'd algebra. The picture presented here has two sides -- the
combinatorial one related with the fact of the existence of a graded Lie
algebra structure on the simplicial cochain complex of the associahedra, and
the algebraic one related wi... | 1993-12-27 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Martin Markl and Steve Shnider |
hep-th/9312194 | Evaporating Black Holes and Entropy | We study the Hawking radiation for the geometry of an evaporating 1+1
dimensional black hole. We compute Bogoliubov coefficients and the stress
tensor. We use a recent result of Srednicki to estimate the entropy of
entanglement produced in the evaporation process, for the 1+1 dimensional hole
and for the 3+1 dimensiona... | 1993-12-27 | 2010-11-01 | [
"hep-th"
] | Esko Keski-Vakkuri and Samir D. Mathur |
hep-th/9312193 | Description of moduli space of projective structures via fat graphs | We give an elementary explicit construction of cell decomposition of the
moduli space of projective structures on a two dimensional surface analogous to
the decomposition of Penner/Strebel for moduli space of complex structures. The
relations between projective structures and $PGL(2,{\bf C})$ flat connections
are also ... | 1993-12-25 | 2008-02-03 | [
"hep-th",
"math.QA"
] | V. V. Fock |
hep-th/9312189 | Topological Landau-Ginzburg Model of Two-Dimensional String Theory | We study a topological Landau-Ginzburg model with superpotential W(X)=X^{-1}.
This is argued to be equivalent to c=1 string theory compactified at the
self-dual radius. We compute the tree-level correlation function of N tachyons
in this theory and show their agreement with matrix-model results. We also
discuss the nat... | 1993-12-24 | 2010-11-01 | [
"hep-th"
] | Debashis Ghoshal and Sunil Mukhi |
hep-th/9312191 | Wheeler-DeWitt Equation in Two-dimensional Quantum Gravity with $c=1$
Conformal Matter Field | In the context of two-dimensional quantum cosmology, we consider the
path-integral of a string on annulus which contains the Liouville field and
conformal matter fields. We show that, in the transition amplitude of the
string universe, the non-zero modes of the fields are all cancelled out only
when we take the $c=1$ c... | 1993-12-24 | 2009-10-22 | [
"hep-th"
] | Atushi Ishikawa |
hep-th/9312190 | The Two-Dimensional String as a Topological Field Theory | A certain topological field theory is shown to be equivalent to the
compactified c=1 string. This theory is described in both Kazama-Suzuki coset
and Landau-Ginzburg formulations. The genus-g partition function and genus-0
multi-tachyon correlators of the c=1 string are shown to be calculable in this
approach. The KPZ ... | 1993-12-24 | 2007-05-23 | [
"hep-th"
] | Sunil Mukhi |
hep-th/9312192 | Free Fields and Quasi-Finite Representation of $W_{1+\infty}$ Algebra | We study quasi-finite representation of the $\Winf$ algebra recently proposed
by Kac and Radul. When the central charge is integer, we show that they are
represented by free fermions and bosonic ghosts. There are some nontrivial
representations with vanishing central charge. We discuss that they may be
described by lar... | 1993-12-24 | 2009-10-22 | [
"hep-th"
] | Y. Matsuo |
hep-th/9312188 | Generalized Drinfeld-Sokolov Hierarchies, Quantum Rings, and W-Gravity | We investigate the algebraic structure of integrable hierarchies that, we
propose, underlie models of $W$-gravity coupled to matter. More precisely, we
concentrate on the dispersionless limit of the topological subclass of such
theories, by making use of a correspondence between Drinfeld-Sokolov systems,
principal $s\e... | 1993-12-23 | 2009-10-22 | [
"hep-th"
] | W. Lerche |
hep-th/9312187 | $N=1$ from $N=2$ Superstrings | We give a simple proof that a particular class of $N=2$ superstrings are
equivalent to the $N=1$ superstrings. This is achieved by constructing a
similarity transformation which transforms the $N=2$ BRST operators into a
direct sum of the BRST operators for the $N=1$ string and topological sectors. | 1993-12-23 | 2011-03-31 | [
"hep-th"
] | Nobuyoshi Ohta and Jens Lyng Petersen |
hep-th/9312184 | Supergravity Walls as Windows into New Types of Vacua | Within four dimensional (4d) N=1 supergravity theories we present extreme
dilatonic domain wall solutions with a general overall coupling $\alpha$ in the
dilaton K\" ahler potential. We concentrate on extreme Type I walls, which are
static, planar configurations, interpolating between Minkowski space-time and a
new typ... | 1993-12-23 | 2009-09-25 | [
"hep-th",
"gr-qc"
] | Mirjam Cvetic |
hep-th/9312185 | On the Cohomology of the Noncritical $W$-string | We investigate the cohomology structure of a general noncritical
$W_N$-string. We do this by introducing a new basis in the Hilbert space in
which the BRST operator splits into a ``nested'' sum of nilpotent BRST
operators. We give explicit details for the case $N=3$. In that case the BRST
operator $Q$ can be written as... | 1993-12-23 | 2009-10-22 | [
"hep-th"
] | E. Bergshoeff, J. de Boer, M. de Roo and T. Tjin |
hep-th/9312186 | Connes' Model Building Kit | Alain Connes' applications of non-commutative geometry to interaction physics
are described for the purpose of model building. | 1993-12-23 | 2015-06-26 | [
"hep-th"
] | Thomas Sch\"ucker and Jean-Marc Zylinski |
hep-th/9312183 | BRST structure of polynomial Poisson algebras | The BRST structure of polynomial Poisson algebras is investigated. It is
shown that Poisson algebras provide non trivial models where the full BRST
recursive procedure is needed. Quadratic Poisson algebras may already be of
arbitrarily high rank. Explicit examples are provided, for which the first
terms of the BRST gen... | 1993-12-23 | 2008-11-26 | [
"hep-th",
"math.SG"
] | A. Dresse and M. Henneaux |
hep-th/9312178 | Alternative Canonical Formalism for the Wess-Zumino-Witten Model | We study a canonical quantization of the Wess--Zumino--Witten (WZW) model
which depends on two integer parameters rather than one. The usual theory can
be obtained as a contraction, in which our two parameters go to infinity
keeping the difference fixed. The quantum theory is equivalent to a generalized
Thirring mode... | 1993-12-22 | 2015-06-26 | [
"hep-th"
] | S. G. Rajeev, G. Sparano and P. Vitale |
hep-th/9312177 | Graph Quantum Groups | We define a new mathematical structure ( graph quantum group) which combines
the tower of algebras associated with a graph ${\cal G}$ and the structure of a
Hopf algebra {\cal A}. In this structure Ocneanu's string operators become Hopf
algebra intertwiners. We present some examples of graph quantum groups. | 1993-12-22 | 2007-05-23 | [
"hep-th"
] | C.Gomez and G.Sierra |
hep-th/9312179 | Differential Calculus on Iso_q (N), Quantum Poincare' Algebra and q -
Gravity | We present a general method to deform the inhomogeneous algebras of the
$B_n,C_n,D_n$ type, and find the corresponding bicovariant differential
calculus. The method is based on a projection from $B_{n+1}, C_{n+1}, D_{n+1}$.
For example we obtain the (bicovariant) inhomogeneous $q$-algebra $ISO_q(N)$ as
a consistent pro... | 1993-12-22 | 2011-07-19 | [
"hep-th",
"gr-qc"
] | Leonardo Castellani |
hep-th/9312176 | Implications of Conformal Invariance for Quantum Field Theories in $d>2$ | Recently obtained results for two and three point functions for quasi-primary
operators in conformally invariant theories in arbitrary dimensions {\absit d}
are described. As a consequence the three point function for the energy
momentum tensor has three linearly independent forms for general {\absit d}
compatible with... | 1993-12-22 | 2007-05-23 | [
"hep-th"
] | H. Osborn |
hep-th/9312182 | On Bosonic and Supersymmetric Current Algebras for Non-Semi-Simple
Groups | We present a systematic approach to constructing current algebras based on
non-semi-simple groups. The Virasoro central charges corresponding to these
current algebras are not, in general, given by integer numbers. The key point
in this construction is that the bilinear form appearing in the current algebra
can be diff... | 1993-12-22 | 2016-09-06 | [
"hep-th"
] | N. Mohammedi |
hep-th/9312181 | Jordan Triple Systems and Yang-Baxter Equation | Jordan as well as related triple systems have been used to find several
solutions of the Yang-Baxter equation, which are of rational as well as
trigonometric type. | 1993-12-22 | 2007-05-23 | [
"hep-th"
] | S. Okubo |
hep-th/9312175 | Two-Dimensional Quantum Gravity in Temporal Gauge | We propose a new type of gauge in two-dimensional quantum gravity. We
investigate pure gravity in this gauge, and find that the system reduces to
quantum mechanics of loop length $l$. Furthermore, we rederive the $c\!=\!0$
string field theory which was discovered recently. In particular, the
pregeometric form of the Ha... | 1993-12-22 | 2009-10-22 | [
"hep-th"
] | M. Fukuma, N. Ishibashi, H. Kawai and M. Ninomiya |
hep-th/9312174 | Quantum Group and $q$-Virasoro Current in Fermion Systems | We discuss a generalization of the quantum group $\su$ to the $q$-Virasoro
algebra in two-dimensional electrons system under uniform magnetic field. It is
shown that the integral representations of both algebras are reduced to those
in a (1+1)-dimensional fermion. As an application of the quantum group
symmetry, we dis... | 1993-12-22 | 2017-02-01 | [
"hep-th"
] | H-T. Sato |
hep-th/9312180 | Para-Statistics as Lie-super Triple Systems | We first reformulate para-statistics in terms of Lie-super triple systems. In
this way, we reproduce various new kinds of para-statistics discovered recently
by Palev in addition to the standard one. Also, bosonic and fermionic operators
may not necessarily commute with each other. | 1993-12-22 | 2009-10-22 | [
"hep-th"
] | S. Okubo |
hep-th/9312168 | Twistor-like Formulation of Super p-Branes | Closed super (p+2)-forms in target superspace are relevant for the
construction of the usual super p-brane actions. Here we construct closed super
(p+1)-forms on a {\it worldvolume superspace}. They are built out of the
pull-backs of the Kalb-Ramond super (p+1)-form and its curvature. We propose a
twistor-like formulat... | 1993-12-21 | 2009-10-22 | [
"hep-th"
] | E. Bergshoeff and E. Sezgin |
hep-th/9312170 | Braided Matrix Structure of $q$-Minkowski Space and $q$-Poincare Group | We clarify the relation between the approach to $q$-Minkowski space of
Carow-Watamura et al. with an approach based on the idea of $2\times 2$ braided
Hermitean matrices. The latter are objects like super-matrices but with
Bose-Fermi statistics replaced by braid statistics. We also obtain new R-matrix
formulae for the ... | 1993-12-21 | 2009-10-22 | [
"hep-th",
"math.QA"
] | Shahn Majid and Ulrich Meyer |
hep-th/9312173 | Geometric Phase, Bundle Classification, and Group Representation | The line bundles which arise in the holonomy interpretations of the geometric
phase display curious similarities to those encountered in the statement of the
Borel-Weil-Bott theorem of the representation theory. The remarkable relation
of the geometric phase to the classification of complex line bundles provides
the ne... | 1993-12-21 | 2009-10-22 | [
"hep-th"
] | Ali Mostafazadeh (Center for Relativity, Department of Physics, The
University of Texas at Austin, Austin, Texas) |
hep-th/9312172 | On Pair Creation of Extremal Black Holes and Kaluza-Klein Monopoles | Classical solutions describing charged dilaton black holes accelerating in a
background magnetic field have recently been found. They include the Ernst
metric of the Einstein-Maxwell theory as a special case. We study the extremal
limit of these solutions in detail, both at the classical and quantum levels.
It is shown... | 1993-12-21 | 2013-11-13 | [
"hep-th",
"gr-qc"
] | Fay Dowker, Jerome P. Gauntlett, Steven B. Giddings and Gary T.
Horowitz |
hep-th/9312169 | Lattice Ising model in a field: E$_8$ scattering theory | Zamolodchikov found an integrable field theory related to the Lie algebra
E$_8$, which describes the scaling limit of the Ising model in a magnetic
field. He conjectured that there also exist solvable lattice models based on
E$_8$ in the universality class of the Ising model in a field. The dilute A$_3$
model is a solv... | 1993-12-21 | 2011-02-11 | [
"hep-th"
] | V. V. Bazhanov, B. Nienhuis and S. O. Warnaar |
hep-th/9312171 | Classical and Semiclassical Properties of Extremal Black Holes with
Dilaton and Modulus Fields | We discuss both classical and semiclassical properties of extremal black
holes in theories where the dilaton and a modulus field are present. We find
that the corresponding 2-dim geometry is asymptotically anti-de Sitter rather
then asymptotically flat as in the purely dilatonic case. This fact has many
important conse... | 1993-12-21 | 2010-11-01 | [
"hep-th",
"gr-qc"
] | M. Cadoni and S. Mignemi |
hep-th/9312163 | Protective Measurement and Quantum Reality | It is shown that from the expectation values of obervables, which can be
measured for a single system using protective measurements, the linear
structure, inner product, and observables in the Hilbert space can be
reconstructed. A universal method of measuring the wave function of a single
particle using its gravitatio... | 1993-12-20 | 2009-10-22 | [
"hep-th"
] | J. Anandan |
hep-th/9312167 | Cosmological String Solutions by Dimensional Reduction | We obtain cosmological four dimensional solutions of the low energy effective
string theory by reducing a five dimensional black hole, and black hole--de
Sitter solution of the Einstein gravity down to four dimensions. The appearance
of a cosmological constant in the five dimensional Einstein--Hilbert action
produces a... | 1993-12-20 | 2008-02-03 | [
"hep-th"
] | K. Behrndt, S. Foerste |
hep-th/9312165 | Current commutator anomalies in finite-element quantum electrodynamics | Four-dimensional quantum electrodynamics has been formulated on a hypercubic
Minkowski finite-element lattice. The equations of motion have been derived so
as to preserve lattice gauge invariance and have been shown to be unitary. In
addition, species doubling is avoided due to the nonlocality of the
interactions. The ... | 1993-12-20 | 2009-10-22 | [
"hep-th"
] | Dean F. Miller |
hep-th/9312166 | Geometric Quantization of Topological Gauge Theories | We study the symplectic quantization of Abelian gauge theories in $2+1$
space-time dimensions with the introduction of a topological Chern-Simons term. | 1993-12-20 | 2015-06-26 | [
"hep-th"
] | J. Barcelos-Neto and S.M. de Souza |
hep-th/9312159 | Mirror Symmetry of K3 and Torus | We discuss a K3 and torus from view point of "mirror symmetry". We calculate
the periods of the K3 surface and obtain the mirror map, the two-point
correlation function, and the prepotential. Then we find there is no instanton
correction on K3 (also torus), which is expected from view point of Algebraic
geometry. | 1993-12-20 | 2015-06-26 | [
"hep-th"
] | Masaru Nagura and Katsuyuki Sugiyama |
hep-th/9312160 | 2D Yang-Mills Theories, Gauge Orbit Space and The Path Integral
Quantization | The role of a physical phase space structure in a classical and quantum
dynamics of gauge theories is emphasized. In particular, the gauge orbit space
of Yang-Mills theories on a cylindrical spacetime (space is compactified to a
circle) is shown to be the Weyl cell for a semisimple compact gauge group,
while the physic... | 1993-12-20 | 2007-05-23 | [
"hep-th"
] | Sergey V.Shabanov |
hep-th/9312164 | Chiral Symmetry Breaking in the Nambu-Jona-Lasinio Model in Curved
Spacetime with Non-Trivial Topology | We discuss the phase structure (in the $1/N$-expansion) of the
Nambu-Jona-Lasinio model in curved spacetime with non-trivial topology ${\cal
M}^3 \times {\rm S}^1$. The evaluation of the effective potential of the
composite field $\bar{\psi} \psi$ is presented in the linear curvature
approximation (topology is treated ... | 1993-12-20 | 2009-09-17 | [
"hep-th"
] | E. Elizalde, S. Leseduarte and S.D. Odintsov |
hep-th/9312161 | Non-Abelian Chern-Simons Quantum Mechanics and Non-Abelian Aharonov-Bohm
Effect | We construct a classical action for a system of $N$ point-like sources which
carry SU(2) non-Abelian charges coupled to non-Abelian Chern-Simons gauge
fields, and develop a quantum mechanics for them. Adopting the coherent state
quantization and solving the Gauss' constraint in an appropriately chosen
gauge, we obtain ... | 1993-12-20 | 2009-10-22 | [
"hep-th"
] | Taejin Lee and Phillial Oh |
hep-th/9312158 | 2D Quantum Gravity in the Proper-Time Gauge | A two-loop (cylinder) amplitude of the 2d pure gravity theory is obtained in
the proper-time gauge ($g_{00}=1$, $g_{01}=g_{10}=0$) in the continuum
formulation. The constraint $T_{01}=0$ is solved and used to reduce the problem
of field theory to that of quantum mechanics. This reduction can also be proved
by using a c... | 1993-12-20 | 2009-10-22 | [
"hep-th"
] | Ryuichi Nakayama |
hep-th/9312162 | On the Canonical Structure of the De Donder-Weyl Covariant Hamiltonian
Formulation of Field Theory I. Graded Poisson brackets and equations of
motion | The analogue of the Poisson bracket for the De Donder-Weyl (DW) Hamiltonian
formulation of field theory is proposed. We start from the Hamilton-
Poincar\'{e}-Cartan (HPC) form of the multidimensional variational calculus and
define the bracket on the differential forms over the space-time (=horizontal
forms). This brac... | 1993-12-20 | 2007-05-23 | [
"hep-th"
] | Igor V. Kanatchikov |
hep-th/9312157 | A Universal Fractal Structure of 2D Quantum Gravity for c > 1 | We investigate the fractal structure of $2d$ quantum gravity coupled to
matter by measuring the distributions of so-called baby universes. We
demonstrate that the method works well as long as $c \leq 1$. For $c >1$ it is
not clear what distribution to expect. However, we observe strikingly similar
distributions for var... | 1993-12-19 | 2009-10-22 | [
"hep-th",
"hep-lat"
] | J. Ambjorn and G. Thorleifsson |
hep-th/9312155 | Conformal Field Theory and Hyperbolic Geometry | We examine the correspondence between the conformal field theory of boundary
operators and two-dimensional hyperbolic geometry. By consideration of domain
boundaries in two-dimensional critical systems, and the invariance of the
hyperbolic length, we motivate a reformulation of the basic equation of
conformal covarianc... | 1993-12-17 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | P. Kleban and I. Vassileva |
hep-th/9312152 | A (p,q) Deformation of the Universal Enveloping Superalgebra U(osp(2/2)) | We investigate a two parameter quantum deformation of the universal
enveloping orthosymplectic superalgebra U(osp(2/2)) by extending the
Faddeev-Reshetikhin-Takhtajan formalism to the supersymetric case. It is shown
that $U_{p,q}(osp(2/2))$ possesses a non-commutative, non-cocommutative Hopf
algebra structure. All the ... | 1993-12-17 | 2009-10-22 | [
"hep-th"
] | Preeti Parashar |
hep-th/9312156 | Representations of the Virasoro algebra from lattice models | We investigate in details how the Virasoro algebra appears in the scaling
limit of the simplest lattice models of XXZ or RSOS type. Our approach is
straightforward but to our knowledge had never been tried so far. We simply
formulate a conjecture for the lattice stress-energy tensor motivated by the
exact derivation of... | 1993-12-17 | 2009-10-22 | [
"hep-th"
] | W.M.Koo and H.Saleur |
hep-th/9312151 | Reduced Phase Space of the first order Einstein Gravity on ${\bf
R}\times T^{2}$ | Chern-Simons formulation of the 2+1 dimensional Einstein gravity with
negative cosmological constant is investigated when the spacetime has the
topology ${\bf R}\times T^{2}$. The physical phase space is shown to be a
direct product of two sub-phase spaces having symplectic structures with
opposite signs. Each sub-phas... | 1993-12-17 | 2008-02-03 | [
"hep-th"
] | Kiyoshi Ezawa |
hep-th/9312154 | Exact O(d,d) Transformations in WZW Models | Using the algebraic Hamiltonian approach, we derive the exact to all orders
O(d,d) transformations of the metric and the dilaton field in WZW and WZW coset
models for both compact and non-compact groups. It is shown that under the
exact $O(d)\times O(d)$ transformation only the leading order of the inverse
metric $G^{-... | 1993-12-17 | 2009-10-22 | [
"hep-th"
] | David Gershon |
hep-th/9312153 | Classical and Quantum Mechanics of Free \k Relativistic Systems | We consider the Hamiltonian and Lagrangian formalism describing free
\k-relativistic particles with their four-momenta constrained to the
\k-deformed mass shell. We study the modifications of the formalism which
follow from the introduction of space coordinates with nonvanishing Poisson
brackets and from the redefiniti... | 1993-12-17 | 2011-05-05 | [
"hep-th"
] | J. Lukierski, H. Ruegg and W.J. Zakrzewski |
hep-th/9312150 | Twisting the N=2 String | The most general homogeneous monodromy conditions in $N{=}2$ string theory
are classified in terms of the conjugacy classes of the global symmetry group
$U(1,1)\otimes{\bf Z}_2$. For classes which generate a discrete subgroup $\G$,
the corresponding target space backgrounds ${\bf C}^{1,1}/\G$ include half
spaces, compl... | 1993-12-16 | 2016-08-24 | [
"hep-th"
] | S. V. Ketov, O. Lechtenfeld and A. J. Parkes |
hep-th/9312148 | Casimir operators of the exceptional group $F_4$: the chain $B_4\subset
F_4\subset D_{13}$ | Expressions are given for the Casimir operators of the exceptional group
$F_4$ in a concise form similar to that used for the classical groups. The
chain $B_4\subset F_4\subset D_{13}$ is used to label the generators of $F_4$
in terms of the adjoint and spinor representations of $B_4$ and to express the
26-dimensional ... | 1993-12-16 | 2009-10-22 | [
"hep-th"
] | Adam M. Bincer |
hep-th/9312147 | The Hamiltonian Approach and Phase Space Path Integration for Nonlinear
Sigma Models with and without Fermions | Instead of imposing the Schr\"{o}dinger equation to obtain the configuration
space propagator $\csprop$ for a quantum mechanical nonlinear sigma model, we
directly evaluate the phase space propagator $\psprop$ by expanding the
exponent and pulling all operators $\hat p$ to the right and $\hat x$ to the
left. Contrary t... | 1993-12-16 | 2007-05-23 | [
"hep-th"
] | Bas Peeters and Peter van Nieuwenhuizen |
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