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-lat/9309009 | Instantons from over-improved cooling | Lattice artefacts are used, through modified lattice actions, as a tool to
find the largest instantons in a toroidal geometry [0,L]^3X[0,T] for T to
infinity. It is conjectured that the largest instanton is associated with
tunnelling through a sphaleron. Existence of instantons with at least 8
parameters can be proven ... | 1993-09-16 | 2008-11-26 | [
"hep-lat",
"hep-th"
] | Margarita Garcia Perez, Antonio Gonzalez-Arroyo, Jeroen Snippe and
Pierre van Baal |
hep-lat/9309008 | On the Measure of Simplicial Quantum Gravity in Four Dimensions | We study quantum gravity in the path-integral formulation using the Regge
calculus. In spite of the unbounded gravitational action the existence of an
entropy-dominated phase is confirmed. The influence of various types of
measures on this phase structure is investigated and our results are compared
with those obtained... | 1993-09-15 | 2007-05-23 | [
"hep-lat"
] | W. Beirl, H. Markum, J. Riedler |
hep-lat/9309006 | Static Friction Phenomena in Granular Materials: Coulomb Law vs.
Particle Geometry | The static as well as the dynamic behaviour of granular material are
determined by dynamic {\it and} static friction. There are well known methods
to include static friction in molecular dynamics simulations using scarcely
understood forces. We propose an Ansatz based on the geometrical shape of
nonspherical particles ... | 1993-09-14 | 2009-10-22 | [
"hep-lat",
"adap-org",
"cond-mat",
"nlin.AO"
] | T. Poeschel and V. Buchholtz |
hep-lat/9309007 | Glueball-Like Screening Masses in Pure SU(3) at Finite Temperatures | We investigate the finite-temperature excitation spectrum in the gluon sector
of $SU(3)$ pure gauge theory through measurements of screening masses in
correlations of loop operators. We develop the classification of such operators
under the symmetry group of the `$z$-slice'. In the confined phase of the
theory, we find... | 1993-09-14 | 2009-10-22 | [
"hep-lat",
"hep-ph",
"nucl-th"
] | B. Grossman, Sourendu Gupta, U.M. Heller and F.Karsch |
hep-lat/9309005 | A Precise Determination of the Running Coupling in the SU(3) Yang-Mills
Theory | A non-perturbative finite-size scaling technique is used to study the
evolution of the running coupling (in a certain adapted scheme) in the SU(3)
Yang-Mills theory. At low energies contact is made with the fundamental
dynamical scales, such as the string tension K, while at larger energies the
coupling is shown to evo... | 1993-09-13 | 2009-10-22 | [
"hep-lat"
] | Martin Luescher, Rainer Sommer, Peter Weisz and Ulli Wolff |
hep-lat/9309004 | Critical Exponent for the Density of Percolating Flux | This paper is a study of some of the critical properties of a simple model
for flux. The model is motivated by gauge theory and is equivalent to the Ising
model in three dimensions. The phase with condensed flux is studied. This is
the ordered phase of the Ising model and the high temperature, deconfined phase
of the g... | 1993-09-08 | 2011-04-20 | [
"hep-lat",
"cond-mat"
] | J. Kiskis |
hep-lat/9309003 | Interface Tension in Quenched QCD | We calculate the tension $\sigma$ of the interface between the confined and
deconfined phases by the histogram method in SU(3) lattice gauge theory for
temporal extents of 4 and 6 using the recent high-statistics data by QCDPAX
collaboration. The results are $\sigma/T_c^3 = 0.0292(22)$ and 0.0218(33) for
$N_t=4$ and 6,... | 1993-09-07 | 2014-11-17 | [
"hep-lat",
"astro-ph"
] | Y. Iwasaki, K. Kanaya, Leo K\"arkk\"ainen, K. Rummukainen, and T.
Yoshi\'e |
hep-lat/9309002 | The Light Hadron Spectrum and Decay Constants in Quenched Lattice QCD | We present results for light hadrons composed of both degenerate and
non-degenerate quarks in quenched lattice QCD. We calculate masses and decay
constants using 60 gauge configurations with an $O(a)$--improved fermion action
at $\beta = 6.2$. Using the $\rho$ mass to set the scale, we find hadron masses
within two to ... | 1993-09-03 | 2012-08-27 | [
"hep-lat"
] | UKQCD Collaboration |
hep-lat/9309001 | On a mean field approximation for Higgs-Yukawa systems | We discuss the phase structure of a lattice Higgs-Yukawa system in the
variational mean field approximation with contributions of fermionic
determinant being calculated in a ladder approximation. In particular, we
demonstrate that in this approximation the ferrimagnetic phase in the $Z_2$
model with naive fermions can ... | 1993-09-02 | 2009-10-22 | [
"hep-lat"
] | Sergei V. Zenkin |
hep-lat/9308020 | Quenched Heavy-Light Decay Constants | We present results for heavy-light decay constants, using both propagating
quarks and the static approximation, in O(a)-improved, quenched lattice QCD. At
beta=6.2 on a 24^3x48 lattice we find f_D=185 +4-3(stat)+42-7(syst) MeV,
f_B=160 +6-6 +53-19 MeV, f_{D_s}/f_D=1.18 +2-2 and f_{B_s}/f_B=1.22 +4-3, in
good agreement ... | 1993-08-31 | 2012-08-27 | [
"hep-lat"
] | UKQCD Collaboration |
hep-lat/9308022 | A New visita to the SU(N) gauge field confinement | Based on our exact effective spin model, the zero temperature $SU(N)$ gauge
field confinement has been studied by the deconfinement-confinement phase
transition order parameter, i.e. the Wilson line, rather than the quark
antiquark potential. The procedure would allow one to study the confinement in
the true continuum ... | 1993-08-31 | 2007-05-23 | [
"hep-lat"
] | Z. K. Zhu and D. H. Feng |
hep-lat/9308019 | The Isgur-Wise Function from the Lattice | We calculate the Isgur-Wise function by measuring the elastic scattering
amplitude of a $D$ meson in the quenched approximation on a $24^3\times48$
lattice at $\beta=6.2$, using an $O(a)$-improved fermion action. Fitting the
resulting chirally-extrapolated Isgur-Wise function to Stech's
relativistic-oscillator parametr... | 1993-08-31 | 2012-08-27 | [
"hep-lat",
"hep-ph"
] | the UKQCD Collaboration |
hep-lat/9308021 | Large Loops of Magnetic Current and Confinement in Four Dimensional
$U(1)$ Lattice Gauge Theory | We calculate the heavy quark potential from the magnetic current due to
monopoles in four dimensional $U(1)$ lattice gauge theory. The magnetic current
is found from link angle configurations using the DeGrand-Toussaint
identification method. The link angle configurations are generated in a cosine
action simulation on ... | 1993-08-31 | 2010-11-01 | [
"hep-lat"
] | J.D. Stack and R.J. Wensley |
hep-lat/9308023 | Determining the order of SU(3) deconfining phase transition | An effective spin model for the finite temperature non-abelian lattice gauge
theory is derived. The outcome is the surprising result that only nearest
neighbor coupling survives, thus confirming the well known numerical results
that the deconfining phase transition of the (3+1)-dimensional $SU(3)$ pure
gauge theory is ... | 1993-08-31 | 2007-05-23 | [
"hep-lat"
] | Z. K. Zhu and D. H Feng |
hep-lat/9308018 | Bit Level Correlations in Some Pseudorandom Number Generators | We present results of extensive bit level tests on some pseudorandom number
generators which are commonly used in physics applications. The generators have
first been tested with an extended version of the $d$-tuple test. Second, we
have developed a novel {\it cluster test} where a physical analogy of the
binary number... | 1993-08-31 | 2009-10-22 | [
"hep-lat"
] | K. Kankaala, T. Ala-Nissila, and I. Vattulainen |
hep-lat/9308017 | Dgsos on DTRS | We perform simulations of a discrete gaussian solid on solid (DGSOS) model on
dynamical $\phi^3$ graphs, which is equivalent to coupling the model to 2d
quantum gravity, using the cluster algorithms recently developed by Evertz
et.al.for use on fixed lattices. We find evidence from the growth of the
width-squared in th... | 1993-08-27 | 2015-06-25 | [
"hep-lat"
] | C.F. Baillie, W. Janke and D.A. Johnston |
hep-lat/9308015 | Stochastic Estimation with $Z_2$ Noise | We introduce a $Z_2$ noise for the stochastic estimation of matrix inversion
and discuss its superiority over other noises including the Gaussian noise.
This algorithm is applied to the calculation of quark loops in lattice quantum
chromodynamics that involves diagonal and off-diagonal traces of the inverse
matrix. We ... | 1993-08-25 | 2009-10-22 | [
"hep-lat"
] | S.J. Dong and K.F. Liu |
hep-lat/9308016 | Manifestly Gauge Invariant Models of Chiral Lattice Fermions | A manifestly gauge invariant lattice action for nonanomalous chiral models is
proposed which leads in the continuum limit to the theory free of doublers. | 1993-08-25 | 2009-10-22 | [
"hep-lat"
] | A.A. Slavnov |
hep-lat/9308014 | The Static Quark-Antiquark Potential: A ``Classical'' Experiment On The
Connection Machine CM-2 | We describe the Wuppertal university pilot project in applied parallel
computing. We report on a comprehensive high statistics determination of the
static quark-antiquark potential and related quantities from quenched quantum
chromodynamics. New data for the string tension and the plaquette action for
the region 5.5 < ... | 1993-08-24 | 2011-04-15 | [
"hep-lat"
] | K. Schilling, G.S. Bali |
hep-lat/9308013 | Fresh look on triality | Investigating the $Z_3$ symmetry in Quantum Chromodynamics (QCD) we show that
full QCD with a vacuum of vanishing baryonic number does not lead to metastable
phases. Rather in QCD with dynamical fermions, the degeneracy of $Z_3$ phases
manifests itself in observables without open triality. | 1993-08-13 | 2007-05-23 | [
"hep-lat"
] | M. Faber, O. Borisenko, S. Mashkevich and G. Zinovjev |
hep-lat/9308012 | Test of the Skyrme Effective Field Theory Using Quenched Lattice QCD | The Skyrme effective field theory is tested by evaluating nucleon ground
state matrix elements of the correlation functions for two flavor density
operators and two pseudoscalar density operators in the Skyrme model and
comparing them with results in quenched lattice QCD. The possiblility of using
quenched lattice QCD ... | 1993-08-11 | 2008-11-26 | [
"hep-lat"
] | M.--C. Chu, Marcello Lissia, and J. W. Negele |
hep-lat/9308010 | Glueball Mass Predictions of the Valence Approximation to Lattice QCD | We evaluate the infinite volume, continuum limit of glueball masses in the
valence (quenched) approximation to lattice QCD. For the lightest states with
$J^{PC}$ of $0^{++}$ and $2^{++}$, we obtain $m_0 = 1340 \pm 160$ MeV and $m_2
= 1900 \pm 320$ MeV. | 1993-08-11 | 2007-05-23 | [
"hep-lat",
"hep-ph"
] | H. Chen, J. Sexton, A. Vaccarino, and D. Weingarten |
hep-lat/9308011 | Chiral Fermions on the Lattice | An expression for the lattice effective action induced by chiral fermions in
any even dimensions in terms of an overlap of two states is shown to have
promising properties in two dimensions: The correct abelian anomaly is
reproduced and instantons are suppressed. | 1993-08-11 | 2009-10-22 | [
"hep-lat",
"hep-th"
] | Rajamani Narayanan and Herbert Neuberger |
hep-lat/9308009 | Non-gauge fixing approach to chiral gauge theories using staggered
fermions | We investigate a proposal for the construction of models with chiral fermions
on the lattice using staggered fermions. In this approach the gauge invariance
is broken by the coupling of the staggered fermions to the gauge fields.
Motivated by previous results in the non-gauge invariant massive Yang-Mills
theory and cer... | 1993-08-10 | 2009-10-22 | [
"hep-lat",
"hep-th"
] | Wolfgang Bock, Jan Smit and Jeroen C. Vink |
hep-lat/9308008 | Perturbative renormalization factors for bilinear and four-quark
operators for Kogut-Susskind fermions on the lattice | Renormalization factors for bilinear and four-quark operators with the
Kogut-Susskind fermion action are perturbatively calculated to one-loop order
in the general covariant gauge. Results are presented both for gauge invariant
and non-invariant operators. For four-quark operators the full renormalization
matrix for a ... | 1993-08-10 | 2009-10-22 | [
"hep-lat"
] | N. Ishizuka and Y. Shizawa |
hep-lat/9308007 | Semi-leptonic Decays of Heavy Flavours on a Fine Grained Lattice | We present the results of a numerical calculation of semi-leptonic form
factors relevant for heavy flavour meson decays into light mesons, at
$\beta=6.4$ on a $24^3 \times 60$ lattice, using the Wilson action in the
quenched approximation. We obtain $f^+_K(0)=0.65\pm 0.18$, $V(0)=0.95\pm 0.34$,
$A_1(0)=0.63\pm 0.14 $ a... | 1993-08-09 | 2019-08-17 | [
"hep-lat",
"hep-ph"
] | As.Abada, C.R. Allton, Ph.Boucaud, D.B.Carpenter, M.Crisafulli,
S.G\"usken, P.Hernandez, V.Lubicz, G.Martinelli, O.P\`ene, C.T.Sachrajda,
K.Schilling, G.Siegert, R.Sommer |
hep-lat/9308006 | Lattice Perturbation Theory by Langevin Dynamics | We present an application of the standard Langevin dynamics to the problem of
weak coupling perturbative expansions for Lattice QCD. This method can be
applied to the computation of the most general observables. In this preliminary
work we will concentrate in particular on the computation of the perturbative
terms of t... | 1993-08-07 | 2009-09-25 | [
"hep-lat"
] | Francesco Di Renzo, Giuseppe Marchesini, Paolo Marenzoni and Enrico
Onofri (Dipartimento di Fisica, Universita` di Parma) |
hep-lat/9308005 | On the Transition from Crystalline to Dynamically Triangulated Surfaces | We consider methods of interpolating between the crystalline and dynamically
triangulated random surface models. We argue that actions based on the
deviation from six of the coordination number at a site are inadequate and
propose an alternative based on Alexander moves. Two simplified models, one of
which has a phase ... | 1993-08-06 | 2009-10-22 | [
"hep-lat"
] | Neil Ferguson and J.F.Wheater |
hep-lat/9308004 | Perfect lattice action for asymptotically free theories | There exist lattice actions which give cut--off independent physical
predictions even on coarse grained lattices. Rotation symmetry is restored, the
spectrum becomes exact and, in addition, the classical equations have scale
invariant instanton solutions. This perfect action can be made short ranged. It
can be determin... | 1993-08-05 | 2008-11-26 | [
"hep-lat"
] | P. Hasenfratz and F. Niedermayer |
hep-lat/9308002 | Calculations of hadronic matrix elements using lattice qcd | I give a brief introduction to the scope of lattice QCD calculations in our
effort to extract the fundamental parameters of the standard model. This goal
is illustrated by two examples. First I discuss the extraction of CKM matrix
elements from measurements of form factors for semi-leptonic decays of
heavy-light pseudo... | 1993-08-03 | 2007-05-23 | [
"hep-lat"
] | Rajan Gupta |
hep-lat/9308003 | Computation of the Spatial String Tension in High Temperature SU(2)
Gauge Theory | A detailed investigation of the temperature dependence of the spatial string
tension $\sigma_s$ in $SU(2)$ gauge theory is presented. A sustained
performance of 3~GFLOPS on a 64K Connection Machine CM-2 equivalent has been
achieved. Scaling of $\sigma_s$ between $\beta=2.5115$ and $\beta=2.74$, on
large lattices, is de... | 1993-08-03 | 2010-11-01 | [
"hep-lat"
] | G.S. Bali, J. Fingberg, U.M. Heller, F. Karsch, K. Schilling |
hep-lat/9308001 | Lyapunov Spectra in SU(2) Lattice Gauge Theory | We develop a method for calculating the Lyapunov characteristic exponents of
lattice gauge theories. The complete Lyapunov spectrum of SU(2) gauge theory is
obtained and Kolmogorov-Sinai entropy is calculated. Rapid convergence with
lattice size is found. | 1993-08-02 | 2009-10-22 | [
"hep-lat"
] | C. Gong |
hep-lat/9307022 | New Universality Classes for Two-Dimensional $\sigma$-Models | We argue that the two-dimensional $O(N)$-invariant lattice $\sigma$-model
with mixed isovector/isotensor action has a one-parameter family of nontrivial
continuum limits, only one of which is the continuum $\sigma$-model constructed
by conventional perturbation theory. We test the proposed scenario with a
high-precisio... | 1993-07-31 | 2009-10-22 | [
"hep-lat"
] | Sergio Caracciolo, Robert G. Edwards, Andrea Pelissetto and Alan D.
Sokal |
hep-lat/9307020 | Some Comments on Multigrid Methods for Computing Propagators | I make three conceptual points regarding multigrid methods for computing
propagators in lattice gauge theory: 1) The class of operators handled by the
algorithm must be stable under coarsening. 2) Problems related by symmetry
should have solution methods related by symmetry. 3) It is crucial to
distinguish the vector s... | 1993-07-28 | 2010-11-01 | [
"hep-lat"
] | Alan D. Sokal |
hep-lat/9307021 | A General Limitation on Monte Carlo Algorithms of Metropolis Type | We prove that for any Monte Carlo algorithm of Metropolis type, the
autocorrelation time of a suitable ``energy''-like observable is bounded below
by a multiple of the corresponding ``specific heat''. This bound does not
depend on whether the proposed moves are local or non-local; it depends only on
the distance betwee... | 1993-07-28 | 2010-11-11 | [
"hep-lat"
] | Sergio Caracciolo, Andrea Pelissetto and Alan D. Sokal |
hep-lat/9307019 | Towards an Abelian Formulation of Lattice QCD Confinement | We probe for operators occurring in the APQCD(``abelian-projected QCD'')
action by evaluating abelian-projected $1$-plaquette spectral densities in pure
gauge $SU(3)$ fixed to maximal abelian gauge. Couplings $B_{APQCD}(q,L)$ are
extracted from the spectral densities for each representation $q$, $L\times L$
plaquette. ... | 1993-07-27 | 2009-10-22 | [
"hep-lat",
"hep-ph"
] | Ken Yee, Lsu |
hep-lat/9307018 | "The Ising model on spherical lattices: dimer versus Monte Carlo
approach" | We study, using dimer and Monte Carlo approaches, the critical properties and
finite size effects of the Ising model on honeycomb lattices folded on the
tetrahedron. We show that the main critical exponents are not affected by the
presence of conical singularities. The finite size scaling of the position of
the maxima ... | 1993-07-27 | 2009-10-22 | [
"hep-lat",
"hep-th"
] | O. Diego, J. Gonzalez and J. Salas |
hep-lat/9307017 | A Determination of Interface Free Energies | We determine the interface free energy $F_{o.d.}$ between disordered and
ordered phases in the q=10 and q=20 2-d Potts models using the results of
multicanonical Monte Carlo simulations on $L^2$ lattices, and suitable finite
volume estimators. Our results, when extrapolated to the infinite volume limit,
agree to high p... | 1993-07-26 | 2009-10-22 | [
"hep-lat",
"cond-mat"
] | A. Billoire, T. Neuhaus and B. Berg |
hep-lat/9307016 | On Spin and Matrix Models in the Complex Plane | We describe various aspects of statistical mechanics defined in the complex
temperature or coupling-constant plane. Using exactly solvable models, we
analyse such aspects as renormalization group flows in the complex plane, the
distribution of partition function zeros, and the question of new
coupling-constant symmetri... | 1993-07-22 | 2009-10-22 | [
"hep-lat",
"cond-mat",
"hep-th"
] | Poul H. Damgaard and Urs M. Heller |
hep-lat/9307015 | Finite size scaling analysis of intermittency moments in the two
dimensional Ising model | Finite size scaling is shown to work very well for the block variables used
in intermittency studies on a 2-d Ising lattice. The intermittency exponents so
derived exhibit the expected relations to the magnetic critical exponent of the
model. Email contact: pesch@amoco.saclay.cea.fr | 1993-07-16 | 2008-11-26 | [
"hep-lat"
] | Z. Burda, K. Zalewski, R. Peschanski, J. Wosiek |
hep-lat/9307014 | Two dimensional SU(N) x SU(N) chiral models on the lattice | Lattice $SU(N)\times SU(N)$ chiral models are analyzed by strong and weak
coupling expansions and by numerical simulations. $12^{th}$ order strong
coupling series for the free and internal energy are obtained for all $N\geq
6$. Three loop contributions to the internal energy and to the lattice
$\beta$-function are eval... | 1993-07-15 | 2010-12-21 | [
"hep-lat"
] | Paolo Rossi and Ettore Vicari |
hep-lat/9307013 | Semi-Analytical Solution of the $\phi^4$ Theory on an $F_4$ Lattice | Investigating the cutoff dependence of the Higgs mass triviality bound, the
$\phi^4$ theory is formulated on an $F_4$ lattice which preserves Lorentz
invariance to a higher degree than the commonly used hypercubic lattice. I
solve this model non-perturbatively by evaluating the high temperature
expansion through 13th o... | 1993-07-14 | 2009-10-22 | [
"hep-lat",
"hep-ph"
] | M. Klomfass |
hep-lat/9307012 | Adjoint Wilson Line in SU(2) Lattice Gauge Theory | The behavior of the adjoint Wilson line in finite-temperature, $SU(2)$,
lattice gauge theory is discussed. The expectation value of the line and the
associated excess free energy reveal the response of the finite-temperature
gauge field to the presence of an adjoint source. The value of the adjoint line
at the critical... | 1993-07-13 | 2009-10-22 | [
"hep-lat"
] | J. Kiskis and P. Vranas |
hep-lat/9307011 | Fermionic Field Theory and Gauge Interactions on Random Lattices | Random-lattice fermions have been shown to be free of the doubling problem if
there are no interactions or interactions of a non-gauge nature. However, gauge
interactions impose stringent constraints as expressed by the Ward-Takahashi
identities which could revive the free-field suppressed doubler modes in loop
diagram... | 1993-07-13 | 2014-11-17 | [
"hep-lat",
"hep-th"
] | C. J. Griffin and T. D. Kieu |
hep-lat/9307010 | Dirac sheets and gauge fixing in $U(1)$ lattice gauge theory | Photon correlators in $~U(1)~$ pure gauge theory for different lattice
actions are considered under the Lorentz gauge condition. They are shown to
depend strongly on the gauge fixing ambiguity and on the corresponding
existence of Dirac sheets. For the Coulomb phase a gauge fixing algorithm is
proposed which avoids Dir... | 1993-07-09 | 2009-10-22 | [
"hep-lat"
] | V.G. Bornyakov, V.K. Mitrjushkin, M. M\"uller-Preussker and F. Pahl |
hep-lat/9307009 | Quenched Light Hadron Mass Spectrum and Decay Constants: the effects of
$O(a)$-Improvement at $\beta=6.2$ | We compare the light hadron spectrum and decay constants for quenched QCD at
$\beta=6.2$ using an $O(a)$-improved nearest-neighbour Wilson fermion action
with those obtained using the standard Wilson fermion action on the same set of
18 gauge configurations. For pseudoscalar meson masses in the range
330--800~MeV, we f... | 1993-07-09 | 2012-08-27 | [
"hep-lat"
] | UKQCD Collaboration |
hep-lat/9307008 | The Kramers equation simulation algorithm II. An application to the
Gross-Neveu model | We continue the investigation on the applications of the Kramers equation to
the numerical simulation of field theoretic models. In a previous paper we have
described the theory and proposed various algorithms. Here, we compare the
simplest of them with the Hybrid Monte Carlo algorithm studying the
two-dimensional latt... | 1993-07-08 | 2009-10-22 | [
"hep-lat"
] | Matteo Beccaria, Giuseppe Curci, Luca Galli |
hep-lat/9307007 | The Kramers equation simulation algorithm I. Operator analysis | Using an operatorial formalism, we study the Kramers equation and its
applications to numerical simulations. We obtain classes of algorithms which
may be made precise at every desired order in the time step $\epsilon$ and with
a set of free parameters which can be used to reduce autocorrelations. We show
that it is pos... | 1993-07-08 | 2009-10-22 | [
"hep-lat"
] | Matteo Beccaria, Giuseppe Curci |
hep-lat/9307004 | Scaling Study of Pure Gauge Lattice QCD by Monte Carlo Renormalization
Group Method | The scaling behavior of pure gauge SU(3) in the region $\beta=5.85 - 7.60$ is
examined by a Monte Carlo Renormalization Group analysis. The coupling shifts
induced by factor 2 blocking are measured both on 32$^4$ and 16$^4$ lattices
with high statistics. A systematic deviation from naive 2-loop scaling is
clearly seen.... | 1993-07-07 | 2011-07-19 | [
"hep-lat"
] | K. Akemi, Ph. deForcrand, M. Fujisaki, T. Hashimoto, H.C. Hege, S.
Hioki, O. Miyamura, A. Nakamura, M. Okuda I.O. Stamatescu, Y. Tago and T.
Takaishi |
hep-lat/9307006 | Chiral Determinant as an Overlap of Two Vacua | The effective action induced by chiral fermions can be written, formally, as
an overlap of two states. These states are the Fock ground states of
Hamiltonians for fermions in even dimensional space with opposite sign mass
terms coupled to identical static vector potentials. A perturbative analysis of
the overlap in the... | 1993-07-07 | 2009-10-22 | [
"hep-lat",
"hep-ph",
"hep-th"
] | Rajamani Narayanan and Herbert Neuberger |
hep-lat/9307005 | A Lattice Calculation of the Isgur-Wise Function | We calculate the Isgur-Wise function ($\xi_0$) by measuring the heavy-heavy
meson transition matrix element on the lattice in the quenched approximation.
The standard Wilson action is used for both the heavy and the light quarks. Our
numerical results are compared with various model calculations and experimental
data. ... | 1993-07-07 | 2009-10-22 | [
"hep-lat",
"hep-ph"
] | C. Bernard, Y. Shen and A. Soni |
hep-lat/9307003 | Finite-Size Scaling in the $O(N)$ $\phi^4_4$ Model | Perturbation theory and renormalization group methods are used to derive a
finite-size scaling theory for the partition function zeroes and thermodynamic
functions in the $O(n)$ $\phi^4$ model in four dimensions. The leading
power--law scaling behaviour is the same as that of the mean field theory.
There exist, however... | 1993-07-05 | 2007-05-23 | [
"hep-lat"
] | R. Kenna |
hep-lat/9307002 | On the absence of chiral fermions in interacting lattice theories | We consider interacting theories with a compact internal symmetry group on a
regular lattice. We show that the spectrum is necessarily vector-like provided
the following conditions are satisfied: (a)~weak form of locality,
(b)~relativistic continuum limit without massless bosons, and (c)~pole-free
effective vertex func... | 1993-07-04 | 2009-10-22 | [
"hep-lat",
"hep-ph"
] | Yigal Shamir |
hep-lat/9307001 | A Lattice Study of the Gluon Propagator in Momentum Space | We consider pure glue QCD at beta=5.7, beta=6.0 and beta=6.3. We evaluate the
gluon propagator both in time at zero 3-momentum and in momentum space. From
the former quantity we obtain evidence for a dynamically generated effective
mass, which at beta=6.0 and beta=6.3 increases with the time separation of the
sources, ... | 1993-07-02 | 2009-10-22 | [
"hep-lat"
] | C. Bernard, C. Parrinello and A. Soni |
hep-lat/9306024 | The Spatial String Tension in the Deconfined Phase of the
(3+1)-Dimensional SU(2) Gauge Theory | We present results of a detailed investigation of the temperature dependence
of the spatial string tension in SU(2) gauge theory. We show, for the first
time, that the spatial string tension is scaling on the lattice and thus is
non-vanishing in the continuum limit. It is temperature independent below Tc
and rises rapi... | 1993-06-29 | 2009-07-09 | [
"hep-lat"
] | G.S.Bali, J.Fingberg, U.M.Heller, F.Karsch and K.Schilling |
hep-lat/9306023 | Constraints on the Existence of Chiral Fermions in Interacting Lattice
Theories | It is shown that an interacting theory, defined on a regular lattice, must
have a vector-like spectrum if the following conditions are satisfied:
(a)~locality, (b)~relativistic continuum limit without massless bosons, and
(c)~pole-free effective vertex functions for conserved currents.
The proof exploits the zero fre... | 1993-06-29 | 2011-04-20 | [
"hep-lat",
"hep-th"
] | Yigal Shamir |
hep-lat/9306022 | Cluster dynamics for first-order phase transitions in the Potts model | An algorithm for Monte Carlo simulations is proposed in which the parameter
controlling the strength of the transition becomes a dynamical variable and in
which efficient transitions are achieved by cluster steps. It allows to avoid
the strongly suppressed tunneling between the phases by travelling easily via
the secon... | 1993-06-26 | 2009-10-22 | [
"hep-lat"
] | W. Kerler and A. Weber |
hep-lat/9306021 | Spectral properties and lattice-size dependences in cluster algorithms | Simulation results of Ising systems for several update rules, observables,
and dimensions are analyzed. The lattice-size dependence is discussed for the
autocorrelation times and for the weights of eigenvalues, giving fit results in
the case of power laws. Implications of spectral properties are pointed out and
the beh... | 1993-06-26 | 2009-10-22 | [
"hep-lat"
] | W. Kerler |
hep-lat/9306020 | Monte Carlo Study of Topological Defects in the 3D Heisenberg Model | We use single-cluster Monte Carlo simulations to study the role of
topological defects in the three-dimensional classical Heisenberg model on
simple cubic lattices of size up to $80^3$. By applying reweighting techniques
to time series generated in the vicinity of the approximate infinite volume
transition point $K_c$,... | 1993-06-24 | 2009-10-22 | [
"hep-lat"
] | Christian Holm and Wolfhard Janke |
hep-lat/9306019 | Thermal Fluctuations of Chern-Simons Numbers in the Lattice SU(2) Higgs
Model | We study the temperature dependence of the Chern-Simons number fluctuations
in the SU(2) Higgs Model on Euclidean lattices with spatial sizes up to 20^3.
Temperatures well above the Higgs phase transition $T_H$ are achieved on
anisotropic lattices. Numerical results are compared to perturbative results on
finite lattic... | 1993-06-23 | 2008-12-18 | [
"hep-lat"
] | F. Karsch, M.L. Laursen, T. Neuhaus and B. Plache |
hep-lat/9306018 | A Comperative Study of Gauge Fixing Procedures on the Connection
Machines CM2 and CM5 | Gauge fixing is a frequent task encountered in practical lattice gauge theory
calculations. We review the performance characteristics of some standard
gauging procedures for non-abelian gauge theories, implemented on the parallel
machines CM2 and CM5. | 1993-06-22 | 2007-05-23 | [
"hep-lat"
] | H. Suman and K. Schilling |
hep-lat/9306017 | Chiral Defect Fermions and the Layered Phase | Chiral defect fermions on the lattice in 4+1 dimensions are analyzed using
mean field theory. The fermion propagator has a localized chiral mode in weak
coupling but loses it when the coupling in the unphysical fifth direction
becomes too large. A layered phase \`a la Fu-Nielsen appears where the theory
is vector-like ... | 1993-06-21 | 2009-10-22 | [
"hep-lat",
"hep-ph",
"hep-th"
] | C.P. Korthals-Altes, S. Nicolis and J. Prades |
hep-lat/9306016 | Can a Logarithmically Running Coupling Mimic a String Tension? | It is shown that a Coulomb potential using a running coupling slightly
modified from the perturbative form can produce an interquark potential that
appears nearly linear over a large distance range. Recent high-statistics SU(2)
lattice gauge theory data fit well to this potential without the need for a
linear string-te... | 1993-06-18 | 2009-10-22 | [
"hep-lat",
"hep-ph"
] | M. Grady |
hep-lat/9306014 | Properties of the Abelian Projection Fields in $SU(N)$ Lattice
Gluodynamics | 't~Hooft's abelian projection of $SU(N)$ gauge theory yields $N$ mutually
constrained, compact abelian fields which are permutationally equivalent. We
formulate the notion of ``species permutation'' symmetry of the $N$ abelian
projection fields and discuss its consequences for cross-species correlators.
We show that at... | 1993-06-17 | 2016-08-31 | [
"hep-lat",
"hep-ph",
"nucl-th"
] | M. I. Polikarpov(ITEP,Moscow) and Ken Yee(LSU) |
hep-lat/9306015 | Spacelike Wilson Loops at Finite Temperature | In the high temperature phase of Yang-Mills theories, large spatial Wilson
loops show area law behaviour with a string tension that grows with increasing
temperature. Within the framework of the commonly used string picture we use a
large scale expansion, which allows us to determine the string tension from
measurement... | 1993-06-17 | 2008-11-26 | [
"hep-lat"
] | L. Karkkainen, P. Lacock, D.E. Miller, B. Petersson and T. Reisz |
hep-lat/9306013 | Measure of Autocorrelation Times of Local Hybrid Monte Carlo Algorithm
for Lattice QCD | We report on a study of the autocorrelation times of the local version of the
Hybrid Monte Carlo (LHMC) algorithm for pure gauge $SU(3)$. We compare LHMC to
standard multi-hit Metropolis and to the global version of the same HMC. For
every algorithm we measure the autocorrelation time for a variety of
observables and t... | 1993-06-16 | 2009-10-22 | [
"hep-lat"
] | P.Marenzoni, L.Pugnetti and P.Rossi |
hep-lat/9306012 | Staggered fermions for chiral gauge theories: Test on a two-dimensional
axial-vector model | As a first step towards constructing chiral models on the lattice with
staggered fermions, we study a U(1) model with axial-vector coupling to an
external gauge field in two dimensions. In our approach gauge invariance is
broken, but it is restored in the classical continuum limit. We find that the
continuum divergence... | 1993-06-16 | 2009-10-22 | [
"hep-lat",
"hep-ph"
] | Wolfgang Bock, Jan Smit and Jeroen C. Vink |
hep-lat/9306011 | Scaling, asymptotic scaling and Symanzik improvement. Deconfinement
temperature in SU(2) pure gauge theory | We report on a high statistics simulation of SU(2) pure gauge field theory at
finite temperature, using Symanzik action. We determine the critical coupling
for the deconfinement phase transition on lattices up to 8 x 24, using Finite
Size Scaling techniques. We find that the pattern of asymptotic scaling
violation is e... | 1993-06-16 | 2009-10-22 | [
"hep-lat"
] | Giancarlo cella, Giuseppe Curci, Raffaele Tripiccione and Andrea
Vicere' |
hep-lat/9306010 | Gribov Copies in Lattice QCD | We have performed an exhaustive search for Gribov copies on the lattice and
their possible dependence from finite temperature effects. We show that, for
each value of lattice size, Gribov copies are dense in configuration space at
low temperature but their density tend to lower when the temperature increases.
We have i... | 1993-06-15 | 2009-10-22 | [
"hep-lat"
] | P.Marenzoni and P.Rossi |
hep-lat/9306009 | A Lattice Computation of the Decay Constants of $B$ and $D$ Mesons | A lattice calculation of the pseudoscalar decay constant of heavy-light
mesons is reported. Results are obtained (in the quenched approximation) from
lattices at $\beta=6.3$ through a procedure that interpolates between the
static approximation of Eichten and the conventional ("heavy" Wilson fermion)
method. The previo... | 1993-06-12 | 2009-10-22 | [
"hep-lat",
"hep-ph"
] | Claude Bernard, James Labrenz and Amarjit Soni |
hep-lat/9306007 | Comment on ``Savvidy Ferromagnetic Vacuum in Three-Dimensional Latice
Gauge Theory'' | We analyze SU(2) gauge theory in a constant chromomagnetic field in three
dimensions. Our analysis instead of supporting the existence of a non-trivial
minimum in the effective potential, corroborates the evidence of the unstable
modes on the lattice. | 1993-06-08 | 2007-05-23 | [
"hep-lat",
"hep-th"
] | P. Cea and L. Cosmai |
hep-lat/9306008 | Influence of Implementation on the Properties of Pseudorandom Number
Generators with a Carry Bit | We present results of extensive statistical and bit level tests on three
implementations of a pseudorandom number generator algorithm using the lagged
Fibonacci method with an occasional addition of an extra bit. First
implementation is the RCARRY generator of James, which uses subtraction. The
second is a modified ver... | 1993-06-08 | 2008-02-03 | [
"hep-lat",
"cond-mat"
] | I. Vattulainen, K. Kankaala, J. Saarinen, T. Ala-Nissila |
hep-lat/9306006 | Phase Structure of SU(2) Lattice Gauge Theory with Quantum Gravity | We investigate 4$d$ SU(2) lattice gauge theory with Regge--Einstein quantum
gravity on a dynamically coupled Regge skeleton. To overview the phase diagram
we perform simulations on a small $2\cdot 4^3$ system. Evidence for an
entropy--dominated disordered, an entropy--dominated ordered and an
ill--defined region is pre... | 1993-06-07 | 2009-10-22 | [
"hep-lat"
] | Bernd A. Berg and Balasubramanian Krishnan |
hep-lat/9306005 | Partially Quenched Gauge Theories and a Application to Staggered
Fermions | We extend our lagrangian technique for chiral perturbation theory for
quenched QCD to include theories in which only some of the quarks are quenched.
We discuss the relationship between the partially quenched theory and a theory
in which only the unquenched quarks are present. We also investigate the
peculiar infrared ... | 1993-06-04 | 2016-08-31 | [
"hep-lat",
"hep-ph"
] | Claude Bernard and Maarten Golterman |
hep-lat/9306003 | Fixed Point Actions for Wilson Fermions | Iterating renormalization group transformations for lattice fermions the
Wilson action is driven to fixed points of the renormalization group. A line of
fixed points is found and the fixed point actions are computed analytically.
They are local and may be used to improve scaling in lattice QCD. The action at
the line's... | 1993-06-03 | 2009-10-22 | [
"hep-lat"
] | U.-J. Wiese, HLRZ Juelich |
hep-lat/9306004 | Elastic anomaly of heavy fermion systems in a crystalline field | An elastic anomaly, observed in the heavy fermi liquid state of Ce alloys
(for example, CeCu$_6$ and CeTe), is analyzed by using the infinite-$U$
Anderson lattice model. The four atomic energy levels are assumed for
f-electrons. Two of them are mutually degenerate. A small crystalline splitting
$2\Delta$ is assumed bet... | 1993-06-03 | 2007-05-23 | [
"hep-lat"
] | Kikuo Harigaya and G. A. Gehring (Department of Physics, University of
Sheffield, Sheffield, United Kingdom) |
hep-lat/9306001 | The Three-Loop Lattice Free Energy | We calculate the free energy of SU(N) gauge theories on the lattice, to three
loops. Our result, combined with Monte Carlo data for the average plaquette,
gives a more precise estimate of the gluonic condensate. | 1993-06-01 | 2009-10-22 | [
"hep-lat"
] | B. Alles, M. Campostrini, A. Feo, and H. Panagopoulos |
hep-lat/9306002 | Correlation Functions of Hadron Currents in the QCD Vacuum Calculated in
Lattice QCD | Point-to-point vacuum correlation functions for spatially separated hadron
currents are calculated in quenched lattice QCD on a $16^3\times 24$ lattice
with $6/g^2=5.7$. The lattice data are analyzed in terms of dispersion
relations, which enable us to extract physical information from small distances
where asymptotic ... | 1993-06-01 | 2008-11-26 | [
"hep-lat"
] | M.-C. Chu, J. M. Grandy, S. Huang, and J. W. Negele |
hep-lat/9305026 | 3 Into 2 Doesn't Go: (almost) chiral gauge theory on the lattice | Kaplan recently proposed a novel lattice chiral gauge theory in which the
bare theory is defined on $(2n+1)$-dimensions, but the continuum theory emerges
in $2n$-dimensions. We explore whether the resulting theory reproduces all the
features of continuum chiral gauge theory in the case of two-dimensional axial
Schwinge... | 1993-05-29 | 2016-08-31 | [
"hep-lat"
] | Jacques Distler and Soo-Jong Rey |
hep-lat/9305021 | Exact renormalization-group analysis of first order phase transitions in
clock models | We analyze the exact behavior of the renormalization group flow in
one-dimensional clock-models which undergo first order phase transitions by the
presence of complex interactions. The flow, defined by decimation, is shown to
be single-valued and continuous throughout its domain of definition, which
contains the transi... | 1993-05-27 | 2009-10-22 | [
"hep-lat",
"hep-th"
] | M. Asorey, J.G. Esteve and J. Salas |
hep-lat/9305022 | Finite Size Analysis of the One-dimensional $q = \infty$ Clock Model | We analyze the finite size scaling of the $q$-state clock model in the $q
\rightarrow \infty$ limit. The behaviors of the specific heat, Binder-Landau
and U4 cumulants agree with the Borgs-Koteck\'y ans\"atz for first order phase
transitions. However, we find that the leading correction to the position of
the extremal ... | 1993-05-27 | 2009-10-22 | [
"hep-lat",
"hep-th"
] | M. Asorey, J.G. Esteve and J. Salas |
hep-lat/9305023 | Finite-size and quark mass effects on the QCD spectrum with two flavors | We have carried out spectrum calculations with two flavors of dynamical
Kogut-Susskind quarks on four lattice sizes from $8^3\times 24$ to
$16^3\times24$ at couplings that correspond to chiral symmetry restoration for
a lattice with 6 time slices. We estimate that the linear spatial sizes of the
lattices range from 1.8... | 1993-05-27 | 2008-11-26 | [
"hep-lat"
] | C. Bernard, T. Blum, T. DeGrand, C. Detar, S. Gottlieb, A. Krasnitz,
R. Sugar, D. Toussaint (The MILC Collaboration) |
hep-lat/9305024 | Variational Approach to Real-Time Evolution of Yang-Mills Gauge Fields
on a Lattice | Applying a variational method to a Gaussian wave ansatz, we have derived a
set of semi-classical evolution equations for SU(2) lattice gauge fields, which
take the classical form in the limit of a vanishing width of the Gaussian wave
packet. These equations are used to study the quantum effects on the classical
evoluti... | 1993-05-27 | 2009-09-25 | [
"hep-lat",
"nucl-th"
] | C. Gong, B. Mueller, and T.S. Biro |
hep-lat/9305025 | Nucleon Axial Form Factor from Lattice QCD | Results for the isovector axial form factors of the proton from a lattice QCD
calculation are presented for both point-split and local currents. They are
obtained on a quenched $16^{3} \times 24$ lattice at $\beta= 6.0$ with Wilson
fermions for a range of quark masses from strange to charm. We determine the
finite latt... | 1993-05-27 | 2009-09-25 | [
"hep-lat",
"hep-ph"
] | K.F. Liu, S.J. Dong, T. Draper, J.M. Wu, and W. Wilcox |
hep-lat/9305020 | Canonical Quantization of Two Dimensional Gauge Fields | $SU(N)$ gauge fields on a cylindrical spacetime are canonically quantized via
two routes revealing almost equivalent but different quantizations. After
removing all continuous gauge degrees of freedom, the canonical coordinate
$A_\mu$ (in the Cartan subalgebra $\h$) is quantized. The compact route, as in
lattice gauge ... | 1993-05-26 | 2015-06-25 | [
"hep-lat",
"hep-th"
] | James E. Hetrick |
hep-lat/9305019 | Compact QED in Landau Gauge: a lattice gauge fixing case study | We derive different representations of compact QED fixed to Landau gauge by
the lattice Faddeev-Popov procedure. Our analysis finds that (A)Nielsen-Olesen
vortices arising from the compactness of the gauge-fixing action are {\it
quenched\/}, that is, the Faddeev-Popov determinant cancels them out and they
do not influe... | 1993-05-24 | 2010-05-27 | [
"hep-lat",
"cond-mat",
"nucl-th"
] | M.I. Polikarpov(ITEP,Moscow), Ken Yee(LSU), M.A. Zubkov(ITEP) |
hep-lat/9305018 | Exploring confinement by cooling: A study of compact QED$_3$ | The role of monopoles in the confining behavior of compact lattice $QED_3$ is
studied using an adiabatic cooling method. Monopole-antimonopole pairs with
large separation suvive cooling and the presence or absence of such plasma
monopoles provides a useful classification of the lattice gauge field
configurations at lar... | 1993-05-21 | 2009-10-22 | [
"hep-lat"
] | Howard D. Trottier and R. M. Woloshyn |
hep-lat/9305015 | Phase Transitions in Two-Dimensional Traffic Flow Models | We introduce two simple two-dimensional lattice models to study traffic flow
in cities. We have found that a few basic elements give rise to the
characteristic phase diagram of a first-order phase transition from a freely
moving phase to a jammed state, with a critical point. The jammed phase
presents new transitions c... | 1993-05-20 | 2016-08-14 | [
"hep-lat",
"cond-mat"
] | Jos\'e A. Cuesta, Froil\'an C. Mart\'inez, Juan M. Molera, and Angel
S\'anchez Escuela (Polit\'ecnica Superior Universidad Carlos III de Madrid,
Avda. Mediterr\'aneo 20, E-28913 Legan\'es, Madrid, Spain) |
hep-lat/9305017 | Fermionic effective action and the pahse estructure of non compact
quantum electrodynamics in 2+1 dimensions | We study the phase diagram of non compact $QED_3$ using the microcanonical
fermionic average method described elsewhere. We present evidence for a
continuous phase transition line in the $\beta, N$ plane, extending down to
arbitrarily small flavour number $N$. | 1993-05-20 | 2009-10-22 | [
"hep-lat"
] | V. Azcoiti, X.Q. Luo, C.E. Piedrafita, G. DiCarlo, A.F. Grillo and A.
Galante |
hep-lat/9305016 | Multicanonical Multigrid Monte Carlo | To further improve the performance of Monte Carlo simulations of first-order
phase transitions we propose to combine the multicanonical approach with
multigrid techniques. We report tests of this proposition for the
$d$-dimensional $\Phi^4$ field theory in two different situations. First, we
study quantum tunneling for... | 1993-05-20 | 2008-11-26 | [
"hep-lat"
] | W.Janke and T.Sauer |
hep-lat/9305014 | Undesirable effects of covariance matrix techniques for error analysis | Regression with $\chi^2$ constructed from the covariance matrix should not be
used for some combinations of covariance matrices and fitting functions. Using
the technique for unsuitable combinations can amplify systematic errors. This
amplification is uncontrolled, and can produce arbitrarily inaccurate results
that mi... | 1993-05-17 | 2009-10-22 | [
"hep-lat",
"hep-ph",
"nucl-th"
] | David Seibert (Theory Division, CERN, CH-1211 Geneva 23, Switzerland) |
hep-lat/9305013 | SU(2) finite temperature phase transition and Michael sum rules | We studied the finite temperature phase transition of SU(2) gauge theory on
four-dimensional Euclidean lattices by Monte Carlo simulations, and measured
the flux distributions of a $q\bar q$ pair in both confined and unconfined
phases. We reviewed and generalized Michael sum rules to include finite
temperature effects.... | 1993-05-14 | 2009-09-25 | [
"hep-lat"
] | Yingcai Peng and Richard W. Haymaker |
hep-lat/9305011 | The Coulomb-Higgs phase transition in Z(8) and q=8 U(1)-Higgs models | The Coulomb-Higgs phase transition of the four dimensional Z$_8$ gauge model
is studied. We find clear first order properties in contradiction with the
previously stressed second order behavior. That transition point may be
regarded as the end of a transition line of the U(1)-Higgs model with charge
$q=8$, that has bee... | 1993-05-10 | 2009-10-22 | [
"hep-lat"
] | L.A. Fernandez, A. Munoz Sudupe, J.J. Ruiz-Lorenzo and A. Tarancon |
hep-lat/9305012 | Freezing a Fluid Random Surface | We investigate a dynamically triangulated random surface action that consists
of a gaussian term plus the modulus of the intrinsic scalar curvature. We find
that the flips are frozen out and the internal geometry is regularized as the
coefficient of the latter term is increased. Such a term thus provides a way of
inter... | 1993-05-10 | 2009-10-22 | [
"hep-lat"
] | C.F. Baillie and D.A. Johnston |
hep-lat/9305010 | Phases of the three-state Potts model in three spatial dimensions | The three-state Potts model is numerically investigated on three-dimensional
simple cubic lattices of up to \(128^3\) volume, concentrating on the
neighborhood of the first-order phase transition separating the ordered and
disordered phases. In both phases clusters of like spins are observed with
irregular boundaries. ... | 1993-05-09 | 2007-05-23 | [
"hep-lat"
] | Shigemi Ohta |
hep-lat/9305009 | Static Scaling Behavior of High-Molecular-Weight Polymers in Dilute
Solution: A Reexamination | Previous theories of dilute polymer solutions have failed to distinguish
clearly between two very different ways of taking the long-chain limit: (I) $N
\to\infty$ at fixed temperature $T$, and (II) $N \to\infty$, $T \to T_\theta$
with $x \equiv N^\phi (T-T_\theta)$ fixed. I argue that the modern
two-parameter theory (c... | 1993-05-08 | 2010-12-17 | [
"hep-lat",
"cond-mat"
] | Alan D. Sokal |
hep-lat/9305008 | On the Logarithmic Triviality of Scalar Quantum Electrodynamics | Using finite size scaling and histogram methods we obtain numerical results
from lattice simulations indicating the logarithmic triviality of scalar
quantum electrodynamics, even when the bare gauge coupling is chosen large.
Simulations of the non-compact formulation of the lattice abelian Higgs model
with fixed length... | 1993-05-07 | 2019-08-17 | [
"hep-lat",
"hep-ph",
"hep-th"
] | M.Baig, H.Fort, S.Kim, J.B.Kogut, D.K.Sinclair |
hep-lat/9305007 | The $1/N$ expansion of two-dimensional spin models | A general two-dimensional spin model with U$(N)$ invariance, interpolating
between $\CPN$ and ${\rm O}(2N)$ models, is studied in detail in order to
illustrate both the general features of the $1/N$ expansion on the lattice and
the specific techniques devised to extract scaling (field-theoretical)
behavior. The continu... | 1993-05-06 | 2014-11-17 | [
"hep-lat",
"cond-mat",
"hep-th"
] | Massimo Campostrini and Paolo Rossi |
hep-lat/9305006 | Finite-Size Scaling at Phase Coexistence | {}From a finite-size scaling (FSS) theory of cumulants of the order parameter
at phase coexistence points, we reconstruct the scaling of the moments.
Assuming that the cumulants allow a reconstruction of the free energy density
no better than as an asymptotic expansion, we find that FSS for moments of low
order is stil... | 1993-05-04 | 2009-10-22 | [
"hep-lat",
"cond-mat"
] | Sourendu Gupta, A. Irbaeck and M. Ohlsson |
hep-lat/9305005 | High-Temperature Series Analyses of the Classical Heisenberg and XY
Model | Although there is now a good measure of agreement between Monte Carlo and
high-temperature series expansion estimates for Ising ($n=1$) models, published
results for the critical temperature from series expansions up to 12{\em th}
order for the three-dimensional classical Heisenberg ($n=3$) and XY ($n=2$)
model do not ... | 1993-05-04 | 2009-10-22 | [
"hep-lat"
] | J. Adler, C. Holm, and W. Janke |
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