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-lat/9409002 | Subtleties and Fancies in Gauge Theory Non Trivial Vacuum | The one loop effective potential for a non-Abelian gauge configuration is
analyzed using the background field method. The Savvidy result and the
non-Abelian ansatz, the other alternative possible background that generates a
constant color magnetic field configuration, are compared. This second
possibility is very inter... | 1994-09-06 | 2007-05-23 | [
"hep-lat"
] | A.R. Levi |
hep-lat/9409003 | Critical Exponents, Hyperscaling and Universal Amplitude Ratios for Two-
and Three-Dimensional Self-Avoiding Walks | We make a high-precision Monte Carlo study of two- and three-dimensional
self-avoiding walks (SAWs) of length up to 80000 steps, using the pivot
algorithm and the Karp-Luby algorithm. We study the critical exponents $\nu$
and $2\Delta_4 -\gamma$ as well as several universal amplitude ratios; in
particular, we make an e... | 1994-09-06 | 2009-10-22 | [
"hep-lat",
"cond-mat"
] | Bin Li, Neal Madras and Alan D. Sokal |
hep-lat/9409004 | Finite-Size Scaling at $\xi/L \gg 1$ | We present a simple and powerful method for extrapolating finite-volume Monte
Carlo data to infinite volume, based on finite-size-scaling theory. We discuss
carefully its systematic and statistical errors, and we illustrate it using
three examples: the two-dimensional three-state Potts antiferromagnet on the
square lat... | 1994-09-06 | 2009-10-22 | [
"hep-lat",
"cond-mat"
] | Sergio Caracciolo, Robert G. Edwards, Sabino Jos\'e Ferreira, Andrea
Pelissetto and Alan D. Sokal |
hep-lat/9409001 | Critical exponents of a three dimensional O(4) spin model | By Monte Carlo simulation we study the critical exponents governing the
transition of the three-dimensional classical O(4) Heisenberg model, which is
considered to be in the same universality class as the finite-temperature QCD
with massless two flavors. We use the single cluster algorithm and the
histogram reweighting... | 1994-09-01 | 2009-10-22 | [
"hep-lat"
] | K. Kanaya and S. Kaya |
hep-lat/9408022 | Noncompact Gauge-Invariant Lattice Simulations | We have applied a new gauge-invariant, noncompact, Monte Carlo method to
simulate $U(1)$, $SU(2)$, and $SU(3)$ gauge theories on $8^4$ and $12^4$
lattices. The Creutz ratios of the Wilson loops agree with the exact results
for $U(1)$ for $\beta \ge 1$ apart from a renormalization of the charge. The
$SU(2)$ and $SU(3)$ ... | 1994-09-01 | 2007-05-23 | [
"hep-lat"
] | Kevin Cahill and Gary Herling |
hep-lat/9408021 | The High-Temperature Expansion of the Hierarchical Ising Model: From
Poincar\'e Symmetry to an Algebraic Algorithm | We show that the hierarchical model at finite volume has a symmetry group
which can be decomposed into rotations and translations as the familiar
Poincar\'e groups. Using these symmetries, we show that the intricate sums
appearing in the calculation of the high-temperature expansion of the magnetic
susceptibility can b... | 1994-08-30 | 2011-08-12 | [
"hep-lat"
] | Y. Meurice |
hep-lat/9408020 | Complex-Temperature Singularities of the Susceptibility in the $d=2$
Ising Model. I. Square Lattice | We investigate the complex-temperature singularities of the susceptibility of
the 2D Ising model on a square lattice. From an analysis of low-temperature
series expansions, we find evidence that as one approaches the point $u=u_s=-1$
(where $u=e^{-4K}$) from within the complex extensions of the FM or AFM phases,
the su... | 1994-08-29 | 2009-10-22 | [
"hep-lat"
] | V. Matveev and R. Shrock |
hep-lat/9408018 | Lee-Yang zeroes in the one flavour massive lattice Schwinger model | We study the partition function of the model formulated with Wilson fermions
with only one species, both analytically and numerically. At strong coupling we
construct the solution for lattice size up to $8\times 8$, a polynomial in the
hopping parameter up to $O(\ka^{128})$. At $\be>0$ we evaluate the expectation
value... | 1994-08-26 | 2009-10-22 | [
"hep-lat"
] | H. Gausterer and C.B. Lang |
hep-lat/9408019 | An Improved Estimator for the Correlation Function of 2D Nonlinear Sigma
Models | I present a new improved estimator for the correlation function of 2D
nonlinear sigma models. Numerical tests for the 2D XY model and the 2D
O(3)-invariant vector model were performed. For small physical volume, i.e. a
lattice size small compared to the to the bulk correlation length, a reduction
of the statistical err... | 1994-08-25 | 2010-12-01 | [
"hep-lat"
] | Martin Hasenbusch |
hep-lat/9408017 | Topological Zero Modes in Monte Carlo Simulations | We present an improvement of global Metropolis updating steps, the instanton
hits, used in a hybrid Monte Carlo simulation of the two-flavor Schwinger model
with staggered fermions. These hits are designed to change the topological
sector of the gauge field. In order to match these hits to an unquenched
simulation with... | 1994-08-23 | 2015-06-25 | [
"hep-lat"
] | H. Dilger |
hep-lat/9408016 | The (LATTICE) QCD Potential and Running Coupling: How to Accurately
Interpolate between Multi-Loop QCD and the String Picture | We present a simple parameterization of a running coupling constant, defined
via the static potential, that interpolates between 2-loop QCD in the UV and
the string prediction in the IR. Besides the usual $\Lam$-parameter and the
string tension, the coupling depends on one dimensionless parameter,
determining how fast ... | 1994-08-21 | 2009-10-22 | [
"hep-lat",
"hep-ph",
"hep-th"
] | Timothy R. Klassen (Cornell University) |
hep-lat/9408015 | Entropy and the Approach to the Thermodynamic Limit in Three-Dimensional
Simplicial Gravity | We present numerical results supporting the existence of an exponential bound
in the dynamical triangulation model of three-dimensional quantum gravity.Both
the critical coupling and various other quantities show a slow power law
approach to the infinite volume limit. | 1994-08-19 | 2009-10-22 | [
"hep-lat",
"hep-th"
] | S. Catterall, J. Kogut and R. Renken |
hep-lat/9408014 | Compact lattice QED with Wilson fermions | We study the phase structure and the chiral limit of $4d$ compact lattice QED
with Wilson fermions (both dynamical and quenched). We use the standard Wilson
gauge action and also a modified one suppressing lattice artifacts. Different
techniques and observables to locate the chiral limit are discussed. | 1994-08-18 | 2009-10-22 | [
"hep-lat"
] | A. Hoferichter, V.K. Mitrjushkin, M. M\"uller-Preussker, T.Neuhaus and
H. St\"uben |
hep-lat/9408013 | Spectrum of the Dirac Operator and Multigrid Algorithm with Dynamical
Staggered Fermions | Complete spectra of the staggered Dirac operator $\Dirac$ are determined in
quenched four-dimensional $SU(2)$ gauge fields, and also in the presence of
dynamical fermions.
Periodic as well as antiperiodic boundary conditions are used.
An attempt is made to relate the performance of multigrid (MG) and conjugate
grad... | 1994-08-17 | 2009-10-22 | [
"hep-lat"
] | Thomas Kalkreuter |
hep-lat/9408012 | Interrelation of a Z(3) Gauge Theory on the Flat Lattices and a Spin-1
BEG Model | The Z(3) gauge model with double plaquette representation of the action on
the flat triangular and square lattices is constructed. It is reduced to the
spin-1 Blume-Emery-Griffiths (BEG) model. An Ising-type critical line of a
second-order phase transition is found. | 1994-08-16 | 2009-09-25 | [
"hep-lat",
"hep-th"
] | N.S. Ananikian and R.R. Shcherbakov |
hep-lat/9408011 | Tricritical Phenomena in a Z(3) Lattice Gauge Theory | The Z(3) gauge model with double plaquette representation of the action on a
generalized Bethe lattice of plaquettes is constructed. It is reduced to the
spin-1 Blume-Emery-Griffiths (BEG) model. An Ising-type critical line of a
second-order phase transition ending in the tricritical point is found. | 1994-08-16 | 2009-10-22 | [
"hep-lat",
"hep-th"
] | N.S. Ananikian and R.R. Shcherbakov |
hep-lat/9408010 | "Confinement Mechanism in Various Abelian Projections of $SU(2)$ Lattice
Gluodynamics" | We show that the monopole confinement mechanism in lattice gluodynamics is a
particular feature of the maximal abelian projection. We give an explicit
example of the $SU(2) \rightarrow U(1)$ projection (the minimal abelian
projection), in which the confinement is due to topological objects other than
monopoles. We perf... | 1994-08-11 | 2010-11-01 | [
"hep-lat",
"hep-th"
] | M.N. Chernodub, M.I. Polikarpov and A.I. Veselov |
hep-lat/9408009 | Scaling Properties of the Energy Density in SU(2) Lattice Gauge Theory | The lattice data for the energy density of $SU(2)$ gauge theory are
calculated with \nop~derivatives of the coupling constants. These derivatives
are obtained from two sources : i) a parametrization of the \nop~beta function
in accord with the measured critical temperature and $\Delta\beta-$values and
ii) a \nop~calcul... | 1994-08-08 | 2009-10-22 | [
"hep-lat"
] | J. Engels, F. Karsch and K. Redlich |
hep-lat/9408008 | Non-Perturbative Renormalization Group Flows in Two-Dimensional Quantum
Gravity | Recently a block spin renormalization group approach was proposed for the
dynamical triangulation formulation of two-dimensional quantum gravity. We use
this approach to examine non-perturbatively a particular class of higher
derivative actions for pure gravity. | 1994-08-05 | 2009-10-22 | [
"hep-lat"
] | Ray L. Renken, Simon M. Catterall, and John B. Kogut |
hep-lat/9408007 | Nucleon Structure from Lattice QCD | We report results on the nucleon structure obtained from the lattice quantum
chromodynamics calculation. These include the axial, electromagnetic, $\pi NN$,
and scalar form factors. The calculation is carried out at $\beta = 6$ on a
$16^3 \times 24$ lattice with 24 quenched gauge configurations. The chiral
limit result... | 1994-08-05 | 2009-09-25 | [
"hep-lat",
"hep-ph",
"nucl-th"
] | Keh-Fei Liu |
hep-lat/9408005 | The Sine Gordon Model: Perturbation Theory and Cluster Monte Carlo | We study the expansion of the surface thickness in the 2-dimensional lattice
Sine Gordon model in powers of the fugacity z. Using the expansion to order
z**2, we derive lines of constant physics in the rough phase. We describe and
test a VMR cluster algorithm for the Monte Carlo simulation of the model. The
algorithm s... | 1994-08-04 | 2009-10-22 | [
"hep-lat"
] | M. Hasenbusch, M. Marcu, and K. Pinn |
hep-lat/9408006 | A Lattice Calculation of the Heavy Quark Universal Form Factor | A preliminary computation of the Isgur-Wise universal form factor using a
lattice formulation of the Heavy Quark Effective Theory (HQET) is described and
compared with the recent data from ARGUS and CLEO on B -> D*lv decay. | 1994-08-04 | 2015-06-25 | [
"hep-lat"
] | Jeffrey E. Mandula and Michael C. Ogilvie |
hep-lat/9408004 | Monopole action and condensation in SU(2) QCD | An effective monopole action for various extended monopoles is derived from
vacuum configurations after abelian projection in the maximally abelian gauge
in $SU(2)$ QCD. The action appears to be independent of the lattice volume.
Moreover it seems to depend only on the physical lattice spacing of the
renormalized latti... | 1994-08-03 | 2009-10-22 | [
"hep-lat"
] | Hiroshi Shiba and Tsuneo Suzuki |
hep-lat/9408002 | Pion-Nucleon Sigma Term in Lattice QCD | We calculate both connected and disconnected contribution to the $\pi$-$N$
$\sigma$-term in quenched lattice QCD with Wilson quark action on a $12^3\times
20$ lattice at $\beta=5.7$. The latter is evaluated with the aid of the variant
wall source method, which was previously applied successfully for extraction of
$\pi$... | 1994-08-02 | 2009-10-22 | [
"hep-lat"
] | M. Fukugita, Y. Kuramashi, M. Okawa and A. Ukawa |
hep-lat/9408003 | Polyakov loops and monopoles in QCD | Monte-Carlo simulations of abelian projection of $T \neq 0$ pure lattice QCD
show that 1) Polyakov loops written in terms of abelian link fields alone play
a role of an order parameter of deconfinement transition, 2) the abelian
Polyakov loops are decomposed into contributions from Dirac strings of
monopoles and from p... | 1994-08-02 | 2009-10-22 | [
"hep-lat"
] | Tsuneo Suzuki, Sawut Ilyar, Yoshimi Matsubara, Tsuyoshi Okude and
Kenji Yotsuji |
hep-lat/9408001 | Chiral perturbation theory, finite size effects and the
three-dimensional $XY$ model | We study finite size effects of the d=3 $XY$ model in terms of the chiral
perturbation theory. We calculate by Monte Carlo simulations physical
quantities which are, to order of $(1/L)^2$, uniquely determined only by two
low energy constants. They are the magnetization and the helicity modulus (or
the Goldstone boson d... | 1994-08-01 | 2009-10-22 | [
"hep-lat",
"cond-mat"
] | S. Tominaga and H. Yoneyama |
hep-lat/9407028 | Non perturbative determination of the running coupling constant in
quenched SU(2) | Through a finite size renormalization group technique we calculate the
running coupling constant for quenched SU(2) with a few percent error over a
range of energy varying by a factor thirty. The definition is based on ratio of
correlations of Polyakov loops with twisted boundary conditions. The
extrapolation to the co... | 1994-07-29 | 2009-10-22 | [
"hep-lat"
] | G.M. de Divitiis, R.Frezzotti, M.Guagnelli, R.Petronzio |
hep-lat/9407026 | Heating and small-size instantons in the $O(3) \:\sigma$ model on the
lattice | We study the role of small-size instantons in the determination of the
topological susceptibility of the 2-d $O(3) \: \sigma $ model on the lattice.
In particular, we analyze how they affect the non-perturbative determination,
by Monte Carlo techniques, of the renormalizations on the lattice. As a result,
we obtain a h... | 1994-07-29 | 2011-07-19 | [
"hep-lat"
] | F. Farchioni and A. Papa |
hep-lat/9407030 | Reply to M.Campostrini's and P.Rossi's Comment on our paper
`Nonuniformity of the $1/N$ Expansion for Two-Dimensional $O(N)$ Models' | This reply tries to rectify some misunderstandings that are in our opinion
contained in the Comment by Campostrini and Rossi, <hep-lat 99407008> on our
paper <hep-lat 9407003>. | 1994-07-29 | 2007-05-23 | [
"hep-lat"
] | A.Patrascioiu and E.Seiler |
hep-lat/9407029 | Supersymmetric corrections to $\epsilon^\prime /\epsilon at the leading
order in QCD and QED | We study the corrections to $\epsilon^\prime /\epsilon$ in the minimal
supersymmetric model at the leading order in QCD and QED. Supersymmetry can
increase the standard model prediction for $\epsilon^\prime /\epsilon$ by at
most 40\% for $m_t=174$ GeV, an enhancement which is indistinguishable from the
present theoreti... | 1994-07-29 | 2010-11-01 | [
"hep-lat",
"hep-ph"
] | E. Gabrielli and G.F. Giudice |
hep-lat/9407027 | Beautiful Baryons from Lattice QCD | We perform a lattice study of heavy baryons, containing one ($\Lambda_b$) or
two $b$-quarks ($\Xi_b$). Using the quenched approximation we obtain for the
mass of $\Lambda_b$ $$ M_{\Lambda_b}= 5.728 \pm 0.144 \pm 0.018 {\rm GeV}.$$
The mass splitting between the $\Lambda_b$ and the B-meson is found to increase
by about ... | 1994-07-29 | 2019-08-17 | [
"hep-lat"
] | C. Alexandrou, A. Borrelli, S. G\"usken, F. Jegerlehner, K. Schilling,
G. Siegert, R. Sommer |
hep-lat/9407025 | Properties of B-Mesons in Lattice QCD | The results of an extensive study of B-meson properties in quenched lattice
QCD are presented. The studies are carried out in the static quark limit where
the b-quark is taken to be infinitely massive. Our computations rely on a
multistate smearing method introduced previously, with smearing functions
generated from a ... | 1994-07-28 | 2011-02-01 | [
"hep-lat",
"hep-ph"
] | A. Duncan, E. Eichten, J. Flynn, B. Hill, G. Hockney, and H. Thacker |
hep-lat/9407024 | Ising Spins on Thin Graphs | The Ising model on ``thin'' graphs (standard Feynman diagrams) displays
several interesting properties. For ferromagnetic couplings there is a mean
field phase transition at the corresponding Bethe lattice transition point. For
antiferromagnetic couplings the replica trick gives some evidence for a spin
glass phase. In... | 1994-07-28 | 2016-08-31 | [
"hep-lat",
"cond-mat",
"hep-th"
] | C. F. Baillie, D. A. Johnston and J-P. Kownacki |
hep-lat/9407022 | String tension and monopoles in $T \neq 0$ SU(2) QCD | Monopole and photon contributions to abelian Wilson loops are calculated
using Monte-Carlo simulations of finite-temperature $SU(2)$ QCD in the
maximally abelian gauge. Long monopole loops alone are responsible for the
behavior of the string tension in the confinement phase up to the critical
$\beta_c$. Short monopole ... | 1994-07-28 | 2009-10-22 | [
"hep-lat"
] | Shinji Ejiri, Shun-ichi Kitahara, Yoshimi Matsubara and Tsuneo Suzuki |
hep-lat/9407023 | Low-Temperature Series for the Correlation Length in $d=3$ Ising Model | We extend low-temperature series for the second moment of the correlation
function in $d=3$ simple-cubic Ising model from $u^{15}$ to $u^{26}$ using
finite-lattice method, and combining with the series for the susceptibility we
obtain the low-temperature series for the second-moment correlation length to
$u^{23}$. An a... | 1994-07-28 | 2009-10-22 | [
"hep-lat"
] | H. Arisue and K. Tabata |
hep-lat/9407021 | Can Sigma Models Describe Finite Temperature Chiral Transitions? | Large-N expansions and computer simulations indicate that the universality
class of the finite temperature chiral symmetry restoration transition in the
3D Gross-Neveu model is mean field theory. This is a counterexample to the
standard 'sigma model' scenario which predicts the 2D Ising model universality
class. We tra... | 1994-07-27 | 2009-10-22 | [
"hep-lat",
"cond-mat",
"hep-ph"
] | Aleksandar Kocic and John Kogut |
hep-lat/9407020 | Regge gravity on general triangulations | We investigate quantum gravity in four dimensions using the Regge approach on
triangulations of the four-torus with general, non-regular incidence matrices.
We find that the simplicial lattice tends to develop spikes for vertices with
low coordination numbers even for vanishing gravitational coupling. Different
to the ... | 1994-07-26 | 2009-10-22 | [
"hep-lat",
"gr-qc"
] | Wolfgang Beirl, Harald Markum, and J"urgen Riedler |
hep-lat/9407019 | Deconfinement Transition in Large N Lattice Gauge Theory | We study analytically the phase diagram of the pure $SU(N)$ lattice gauge
theory at finite temperature, and we attempt to estimate the critical
deconfinement temperature. We apply large $N$ techniques to the Wilson and to
the Heat Kernel action, and we study the resulting models both in the strong
coupling and in the w... | 1994-07-26 | 2009-10-22 | [
"hep-lat",
"hep-th"
] | M. Billo', M. Caselle, A. D'Adda, L. Magnea and S. Panzeri |
hep-lat/9407016 | Fractal Structure in Two-Dimensional Quantum Regge Calculus | We study the fractal structure of the surface in two-dimensional quantum
Regge calculus by performing Monte Carlo simulation with up to 200,000
triangles. The result can be compared with the universal scaling function
obtained analytically in the continuum limit of dynamical triangulation, which
provides us with a defi... | 1994-07-25 | 2009-10-22 | [
"hep-lat"
] | Jun Nishimura and Masaki Oshikawa |
hep-lat/9407018 | Random Geometries and Real Space Renormalization Group | A method of ``blocking'' triangulations that rests on the self-similarity
feature of dynamically triangulated random manifolds is proposed. The method is
used to define the renormalization group for random geometries. As an
illustration, the idea is applied to pure euclidean quantum gravity in two
dimensions. Generalis... | 1994-07-25 | 2009-10-22 | [
"hep-lat",
"hep-th"
] | D. Johnston, J-P. Kownacki and A. Krzywicki |
hep-lat/9407017 | The Phases and Triviality of Scalar Quantum Electrodynamics | The phase diagram and critical behavior of scalar quantum electrodynamics are
investigated using lattice gauge theory techniques. The lattice action fixes
the length of the scalar (``Higgs'') field and treats the gauge field as
non-compact. The phase diagram is two dimensional. No fine tuning or
extrapolations are need... | 1994-07-25 | 2019-08-17 | [
"hep-lat",
"cond-mat",
"hep-ph"
] | M.Baig, H.Fort, JB Kogut, S.Kim |
hep-lat/9407015 | Manifestation of Sea Quark Effects in the Strong Coupling Constant in
Lattice QCD | We demonstrate that sea quark effects of a magnitude expected from
renormalization group considerations are clearly visible in the strong coupling
constant measured in current full QCD simulations. Building on this result an
estimate of $\alpha_{\overline{MS}}^{(5)}(M_Z)$ is made employing the
charmonium $1S-1P$ mass s... | 1994-07-25 | 2009-10-22 | [
"hep-lat"
] | S. Aoki, M. Fukugita, S. Hashimoto, N. Ishizuka, H. Mino, M. Okawa, T.
Onogi and A. Ukawa |
hep-lat/9407014 | Curvature and scaling in 4D dynamical triangulation | We study the average number of simplices $N'(r)$ at geodesic distance $r$ in
the dynamical triangulation model of euclidean quantum gravity in four
dimensions. We use $N'(r)$ to explore definitions of curvature and of effective
global dimension. An effective curvature $R_V$ goes from negative values for
low $\kappa_2$ ... | 1994-07-22 | 2009-10-22 | [
"hep-lat",
"gr-qc"
] | Bas V. de Bakker and Jan Smit |
hep-lat/9407013 | Probing with Penguins: A lattice calculation of the branching ratio for
some of the exclusive modes of $b \to s \gamma$ | We calculate the leading-order matrix element for exclusive decays of $b \to
s\gamma$ in the quenched approximation of lattice QCD on a $24^3\times48$
lattice at $\beta=6.2$, using an O(a)-improved fermion action. The matrix
element is used to extract the on-shell form factor $T_1(q^2=0)$ for $B \to
K^*\gamma$ and $B_s... | 1994-07-19 | 2009-10-22 | [
"hep-lat",
"hep-ph"
] | K. C. Bowler, et al. (UKQCD Collaboration) |
hep-lat/9407012 | An Exploratory Study of Nucleon-Nucleon Scattering Lengths in Lattice
QCD | An exploratory study is made of the nucleon-nucleon $s$-wave scattering
lengths in quenched lattice QCD with the Wilson quark action. The $\pi$-$N$ and
$\pi$-$\pi$ scattering lengths are also calculated for comparison. The
calculations are made with heavy quarks corresponding to $m_\pi/m_\rho\approx
0.73-0.95$. The res... | 1994-07-19 | 2016-08-31 | [
"hep-lat",
"nucl-th"
] | M. Fukugita, Y. Kuramashi, H. Mino, M. Okawa and A. Ukawa |
hep-lat/9407011 | Scaling in the Positive Plaquette Model and Universality in SU(2)
Lattice Gauge Theory | We investigate universality, scaling, the beta-function and the topological
charge in the positive plaquette model for SU(2) lattice gauge theory.
Comparing physical quantities, like the critical temperature, the string
tension, glueball masses, and their ratios, we explore the effect of a complete
suppression of a cer... | 1994-07-15 | 2009-10-22 | [
"hep-lat"
] | J.Fingberg, U.M.Heller and V.Mitrjushkin |
hep-lat/9407010 | Simulation of Field Theories in Wavelet Representation | The field is expanded in a wavelet series and the wavelet coefficients are
varied in a simulation of the 2D $\phi^4$ field theory. The drastically reduced
autocorrelations result in a substantial decrease of computing requirements,
compared to those in local Metropolis simulations. A large part of the
improvement is sh... | 1994-07-15 | 2009-10-22 | [
"hep-lat"
] | I.G. Halliday and P. Suranyi |
hep-lat/9407009 | Compact Lattice QED with Staggered Fermions and Chiral Symmetry Breaking | Different formulations of the $4d$ compact lattice QED with staggered
fermions (standard Wilson and modified by suppression of lattice artifacts) are
investigated by Monte Carlo simulations within the quenched approximation. We
show that after suppressing lattice artifacts the system undergoes a phase
transition from t... | 1994-07-14 | 2009-10-22 | [
"hep-lat"
] | A. Hoferichter, V.K. Mitrjushkin and M. M\"uller-Preussker |
hep-lat/9407008 | Comment on A. Patrascioiu and E. Seiler's paper ``Nonuniformity of the
$1/N$ Expansion for Two-Dimensional $O(N)$ Models'' | We remind that the non-uniformity in the temperature of the $1/N$ expansion
for dimensionful quantities pointed out in Patrascioiu and Seiler's paper is
not only compatible with but is predicted by asymptotic freedom, and it is
present in the continuum as well as on the lattice. The convergence of the
$1/N$ expansion f... | 1994-07-14 | 2007-05-23 | [
"hep-lat"
] | Massimo Campostrini and Paolo Rossi |
hep-lat/9407005 | Compact U(1) Gauge Theory on Lattices with Trivial Homotopy Group | We study the pure gauge model on a lattice manifold with trivial fundamental
homotopy group, homotopically equivalent to an $S_4$. Monopole loops may
fluctuate freely on that lattice without restrictions due to the boundary
conditions. For the original Wilson action on the hypertorus there is an
established two-state s... | 1994-07-13 | 2009-10-22 | [
"hep-lat"
] | C.B. Lang and T. Neuhaus |
hep-lat/9407006 | Multibondic Cluster Algorithm for Monte Carlo Simulations of First-Order
Phase Transitions | Inspired by the multicanonical approach to simulations of first-order phase
transitions we propose for $q$-state Potts models a combination of cluster
updates with reweighting of the bond configurations in the
Fortuin-Kastelein-Swendsen-Wang representation of this model. Numerical tests
for the two-dimensional models w... | 1994-07-13 | 2009-10-22 | [
"hep-lat",
"cond-mat"
] | Wolfhard Janke and Stefan Kappler |
hep-lat/9407007 | Investigation of Laplacian Gauge Fixing for U(1) and SU(2) Gauge Fields | The Laplacian gauge on the lattice is investigated numerically using U(1) and
SU(2) gauge fields. The problem of Gribov ambiguities is addressed and to asses
the smoothness of the gauge fixed configurations, they are compared to
configurations fixed to the Landau gauge. The results of these comparisons with
the Landau ... | 1994-07-13 | 2009-10-22 | [
"hep-lat"
] | Jeroen C. Vink |
hep-lat/9407004 | Large Energy Cumulants in the 2D Potts Model and their Effects in Finite
Size Analysis | We develop an ansatz for expressing the free energy of the two dimensional
$q$-states Potts model for $q > 4$ near its first order phase transition point.
We notice that for the moderate values of $ q \lesssim 15 $, the energy profile
at the phase transition is not expressible as a sum of gaussians. We discuss
how this... | 1994-07-08 | 2009-09-25 | [
"hep-lat"
] | T. Bhattacharya, R. Lacaze, A. Morel |
hep-lat/9407003 | Nonuniformity of the $1/N$ Expansion for Two-Dimensional $O(N)$ Models | We point out that the $1/N$ expansion, which is widely invoked to infer
properties of the $2D$ $O(N)$ models, is nonuniform in the temperature, i.e.
with decreasing temperature the $1/N$ expansion truncated at a fixed order
deviates more and more from the true answer. This fact precludes the use of the
expansion to ded... | 1994-07-05 | 2009-10-22 | [
"hep-lat",
"cond-mat"
] | A.Patrascioiu and E.Seiler |
hep-lat/9407002 | Rough Interfaces Beyond the Gaussian Approximation | We compare predictions of the Capillary Wave Model beyond its Gaussian
approximation with Monte Carlo results for the energy gap and the surface
energy of the 3D Ising model in the scaling region. Our study reveals that the
finite size effects of these quantities are well described by the Capillary
Wave Model, expanded... | 1994-07-04 | 2009-10-22 | [
"hep-lat",
"cond-mat",
"hep-th"
] | M. Caselle, R. Fiore, F. Gliozzi, M. Hasenbusch, K. Pinn and S. Vinti |
hep-lat/9407001 | Phase of the Wilson Line | This paper discusses the global $Z(N)$ symmetry of finite-temperature,
$SU(N)$, pure Yang-Mills lattice gauge theory and the physics of the phase of
the Wilson line expectation value. In the high $T$ phase, $\langle L \rangle$
takes one of $N$ distinct values proportional to the $Nth$ roots of unity in
$Z(N)$, and the ... | 1994-07-02 | 2009-10-22 | [
"hep-lat"
] | J. Kiskis |
hep-lat/9406021 | Distribution of the color fields around static quarks: Flux tube
profiles | We report detailed calculations of the profiles of energy and action
densities in the quark-antiquark string in SU(2) lattice gauge theory. | 1994-06-29 | 2016-08-31 | [
"hep-lat"
] | Richard W. Haymaker, Vandana Singh, Yingcai Peng and Jacek Wosiek |
hep-lat/9406019 | Canonical Demon Monte Carlo Renormalization Group | We describe a new method to compute renormalized coupling constants in a
Monte Carlo renormalization group calculation. The method can be used for a
general class of models, e.g., lattice spin or gauge models. The basic idea is
to simulate a joint system of block spins and canonical demons. In contrast to
the Microcano... | 1994-06-27 | 2009-10-22 | [
"hep-lat"
] | M. Hasenbusch, K. Pinn, and C. Wieczerkowski |
hep-lat/9406020 | The critical behaviour of Ising spins on 2D Regge lattices | We performed a high statistics simulation of Ising spins coupled to 2D
quantum gravity on toroidal geometries. The tori were triangulated using the
Regge calculus approach and contained up to $512^2$ vertices. We used a
constant area ensemble with an added $R^2$ interaction term, employing the
$dl/l$ measure. We find c... | 1994-06-27 | 2009-10-22 | [
"hep-lat"
] | C. Holm and W. Janke |
hep-lat/9406018 | Failure of the Regge approach in two dimensional quantum gravity | Regge's method for regularizing euclidean quantum gravity is applied to two
dimensional gravity. We use two different strategies to simulate the Regge path
integral at a fixed value of the total area: A standard Metropolis simulation
combined with a histogramming method and a direct simulation using a Hybrid
Monte Carl... | 1994-06-25 | 2009-10-22 | [
"hep-lat",
"gr-qc",
"hep-th"
] | Wolfgang Bock and Jeroen C. Vink |
hep-lat/9406017 | Precision Upsilon Spectroscopy from Nonrelativistic Lattice QCD | The spectrum of the Upsilon system is investigated using the Nonrelativistic
Lattice QCD approach to heavy quarks and ignoring light quark vacuum
polarization. We find good agreement with experiment for the Upsilon(1S),
Upsilon(2S), Upsilon(3S) and for the center of mass and fine structure of the
chi_b states. The latt... | 1994-06-25 | 2011-01-27 | [
"hep-lat"
] | C.T.H. Davies, K. Hornbostel, A. Langnau, G.P. Lepage, A. Lidsey, J.
Shigemitsu, and J. Sloan |
hep-lat/9406016 | Vortex Loops In The 3-d XY Model | We study the properties of vortex loops in the 3-d XY model. We find that the
phase transition in this model is driven by the condensation of short loops
into percolating loops. Paper comes as a uuencoded compressed tar-file,
containing the complete PostScript file. Total file approx. 220 Kb. | 1994-06-24 | 2007-05-23 | [
"hep-lat"
] | Arjan Hulsebos |
hep-lat/9406015 | Fermion production despite fermion number conservation | Lattice proposals for a nonperturbative formulation of the Standard Model
easily lead to a global U(1) symmetry corresponding to exactly conserved
fermion number. The absence of an anomaly in the fermion current would then
appear to inhibit anomalous processes, such as electroweak baryogenesis in the
early universe. On... | 1994-06-23 | 2010-11-01 | [
"hep-lat",
"hep-ph"
] | Wolfgang Bock, James E. Hetrick and Jan Smit |
hep-lat/9406013 | Multigrid Monte Carlo Algorithms for SU(2) Lattice Gauge Theory: Two
versus Four Dimensions | We study a multigrid method for nonabelian lattice gauge theory, the time
slice blocking, in two and four dimensions. For SU(2) gauge fields in two
dimensions, critical slowing down is almost completely eliminated by this
method. This result is in accordance with theoretical arguments based on the
analysis of the scale... | 1994-06-20 | 2014-11-17 | [
"hep-lat"
] | M. Grabenstein and K. Pinn |
hep-lat/9406014 | Asymptotic scaling from strong coupling | Strong-coupling analysis of two-dimensional chiral models, extended to 15th
order, allows for the identification of a scaling region where known continuum
results are reproduced with great accuracy, and asymptotic scaling predictions
are fulfilled. The properties of the large-$N$ second-order phase transition
are quant... | 1994-06-20 | 2009-12-30 | [
"hep-lat"
] | Massimo Campostrini, Paolo Rossi, and Ettore Vicari |
hep-lat/9406012 | Effective Scalar Field Theory for the Electroweak Phase Transition | We investigate an effective model for the finite temperature restoration
phase transition of the electroweak theory. It is obtained by dimensional
reduction of the $3+1$ dimensional full theory and by subsequent integration
over all static gauge degrees of freedom. The resulting theory corresponds to a
$3$-dimensional ... | 1994-06-17 | 2011-07-19 | [
"hep-lat"
] | F. Karsch, T. Neuhaus and A. Patkos |
hep-lat/9406011 | A Proposal of a Renormalization Group Transformation for Lattice Field
Theories | We propose a new Real Space Renormalization Group transformation useful for
Monte Carlo calculations in theories with global or local symmetries. From
relaxation arguments we define the block-spin transformation with two tunable
free parameters, adapted to the system's action. Varying them it is possible to
place the f... | 1994-06-16 | 2011-07-19 | [
"hep-lat"
] | L.A.Fernandez, Munoz Sudupe, J.J.Ruiz-Lorenzo and A.Tarancon |
hep-lat/9406010 | Monopole action from vacuum configurations in compact QED | It is possible to derive a monopole action from vacuum configurations
obtained in Monte-Carlo simulations extending the method developed by Swendsen.
We apply the method to compact QED both in the Villain and in the Wilson forms.
The action of the natural monopoles in the Villain case is in fairly good
agreement with t... | 1994-06-16 | 2009-10-22 | [
"hep-lat"
] | Hiroshi Shiba and Tsuneo Suzuki |
hep-lat/9406009 | Calculation and Interpretation of Hadron Correlation Functions in
Lattice QCD | Several new developments in the calculation and interpretation of hadron
density-density correlation functions are presented. The asymptotic behavior of
correlation functions is determined from a tree diagram path integral. A method
is developed to use this behavior to correct for leading image contributions on
a finit... | 1994-06-15 | 2009-09-25 | [
"hep-lat"
] | J. W. Negele, M. Burkardt, and J. M. Grandy |
hep-lat/9406008 | Susceptibilities, the Specific Heat and a Cumulant in Two-Flavour QCD | We study the quark mass dependence of various response functions, which
contribute to chiral susceptibilities and the specific heat in the staggered
fermion formulation of two-flavour QCD. This yields information about the
critical exponents $\alpha$, $\beta$ and $\delta$. In the case of the chiral
susceptibility, obta... | 1994-06-13 | 2009-10-22 | [
"hep-lat"
] | Frithjof Karsch and Edwin Laermann |
hep-lat/9406007 | $\pi NN$ and Pseudoscalar Form Factors from Lattice QCD | The $\pi NN$ form factor $g_{\pi NN}(q^2)$ is obtained from a quenched
lattice QCD calculation of the pseudoscalar form factor $g_P(q^2)$ of the
proton with pion pole dominance. We find that $g_{\pi NN}(q^2)$ fitted with the
monopole form agrees well with the Goldberger-Treiman relation and is much
preferred over the d... | 1994-06-10 | 2009-09-25 | [
"hep-lat",
"hep-ph",
"nucl-th"
] | K.F. Liu, S.J. Dong, Terrence Draper, and Walter Wilcox |
hep-lat/9406006 | Nonperturbative Studies of Quantum Gravity | One of several possibilities to construct a quantum theory of gravity is
employing the Feynman path integral. This approach is plagued by some problems:
the integration measure is not uniquely defined, the Einstein-Hilbert action
unbounded, and perturbation theory nonrenormalizable. To make the path integral
tractable ... | 1994-06-08 | 2008-02-03 | [
"hep-lat"
] | J. Riedler |
hep-lat/9406005 | Nonassociative Algebras and Nonperturbative Field Theory for
Hierarchical Models | Hierarchical renormalization group (RG) transformations are related to
nonassociative algebras. These algebras serve as a new basic tool for a
rigorous treatment of global RG flows and the search of nontrivial infrared
fixed points. Convergent expansion methods are presented and analyzed in terms
of algebra norms. It i... | 1994-06-07 | 2007-05-23 | [
"hep-lat"
] | A. Pordt and C. Wieczerkowski |
hep-lat/9406002 | Radiative Corrections to the Kinetic Couplings in Nonrelativistic
Lattice QCD | The heavy-quark mass and wave function renormalizations, energy shift, and
radiative corrections to two important couplings, the so-called kinetic
couplings, in nonrelativistic lattice QCD are determined to leading order in
tadpole-improved perturbation theory. The scales at which to evaluate the
running QCD coupling f... | 1994-06-02 | 2010-11-01 | [
"hep-lat"
] | Colin J. Morningstar |
hep-lat/9406003 | Fixed boundary conditions and phase transitions in pure gauge compact
QED | We have simulated the pure gauge compact QED with fixed boundary conditions,
on lattices from $6^4$ to $16^4$. We argue that a lattice with this fixed
boundary imposition corresponds actually to a lattice with spherical topology.
We have found the presence of a phase transition without any trace of
discontinuity. Moreo... | 1994-06-02 | 2009-10-22 | [
"hep-lat"
] | M. Baig and H. Fort |
hep-lat/9406004 | Monopole Percolation in pure gauge compact QED | The role of monopoles in quenched compact QED has been studied by measuring
the cluster susceptibility and the order parameter $n_{max}/n_{tot}$ previously
introduced by Hands and Wensley in the study of the percolation transition
observed in non-compact QED. A correlation between these parameters and the
energy (actio... | 1994-06-02 | 2009-10-22 | [
"hep-lat"
] | M. Baig H. Fort and J.B. Kogut |
hep-lat/9406001 | Gauge-Invariant Noncompact Lattice Simulations | Three techniques for performing gauge-invariant, noncompact lattice
simulations of nonabelian gauge theories are discussed.
In the first method, the action is not itself gauge invariant, but a kind of
lattice gauge invariance is restored by random compact gauge transformations
during the successive sweeps of the simu... | 1994-06-01 | 2008-02-03 | [
"hep-lat"
] | Kevin Cahill |
hep-lat/9405025 | Detecting Dual Superconductivity in the Ground State of Gauge Theories -
II | A monopole creation operator is constructed: its vacuum expectation value is
an order parameter for dual superconductivity in that, if different from zero
it signals spontaneous breaking of the U(1) symmetry corresponding to monopole
charge conservation. The operator is tested on compact U(1) gauge theory on
lattice. F... | 1994-05-31 | 2007-05-23 | [
"hep-lat",
"hep-th"
] | L. Del Debbio A. Di Giacomo G. Paffuti P. Pieri |
hep-lat/9405026 | Simulations of Dynamically Triangulated Gravity -- an Algorithm for
Arbitrary Dimension | Recent models for discrete euclidean quantum gravity incorporate a sum over
simplicial triangulations. We describe an algorithm for simulating such models
in general dimensions. As illustration we show results from simulations in four
dimensions | 1994-05-31 | 2009-10-22 | [
"hep-lat"
] | S. Catterall |
hep-lat/9405024 | Exploratory Study of the 3-Gluon Vertex on the Lattice | We define and evaluate on the lattice the amputated 3-gluon vertex function
in momentum space.
We give numerical results for $16^3 \times 40$ and $24^3 \times 40$ quenched
lattices at $\beta=6.0$.
A good numerical signal is obtained, at the price of enforcing the
gauge-fixing condition with high accuracy.
By comp... | 1994-05-26 | 2008-12-24 | [
"hep-lat"
] | C. Parrinello |
hep-lat/9405021 | Numerical Simulations and the Strength of the Electroweak Phase
Transition | Numerical simulations are performed to study the finite temperature phase
transition in the SU(2) Higgs model on the lattice. The strength of the first
order phase transition is investigated by determining the latent heat and the
interface tension on $L_t=2$ lattices. The values of the Higgs boson mass
presently chosen... | 1994-05-25 | 2009-10-22 | [
"hep-lat",
"hep-ph"
] | F. Csikor, Z. Fodor, J. Hein, K. Jansen, A. Jaster, I. Montvay |
hep-lat/9405022 | Scaling with a modified Wilson action which suppresses Z_2 artifacts in
SU(2) lattice gauge theories | A modified Wilson action which suppresses plaquettes which take negative
values is used to study the scaling behavior of the string tension. The use of
the $\b_E$ scheme gives good agreement with asymptotic two loop results. | 1994-05-25 | 2009-10-22 | [
"hep-lat"
] | J. Ambjorn and G. Thorleifsson |
hep-lat/9405023 | Finite-Size analysis of the 4-d abelian surface gauge model | We present the results of a finite-size analysis of the four dimensional
abelian surface gauge model. This model is defined assigning abelian variables
to the plaquettes of an hypercubical lattice, and is dual to the four
dimensional Ising model. This last model is known to present a second order
phase transition with ... | 1994-05-25 | 2009-10-22 | [
"hep-lat",
"cond-mat"
] | M. Baig and R. Villanova |
hep-lat/9405019 | Four Loop Result in $SU(3)$ Lattice Gauge Theory by a Stochastic Method:
Lattice Correction to the Condensate | We describe a stochastic technique which allows one to compute numerically
the coefficients of the weak coupling perturbative expansion of any observable
in Lattice Gauge Theory. The idea is to insert the exponential representation
of the link variables $U_\mu(x) \to \exp\{A_\mu(x)/\sqrt\beta\}$ into the
Langevin algor... | 1994-05-24 | 2009-10-22 | [
"hep-lat"
] | F. Di Renzo, G. Marchesini, P. Marenzoni, E. Onofri |
hep-lat/9405020 | Core -- a New Computational Technique for Lattice Systems | The COntractor REnormalization group (CORE) method, a new approach to solving
Hamiltonian lattice systems, is introduced. The method combines contraction and
variational techniques with the real-space renormalization group approach. It
applies to lattice systems of infinite extent and is ideal for studying phase
struct... | 1994-05-24 | 2009-10-22 | [
"hep-lat",
"cond-mat"
] | Colin J. Morningstar and Marvin Weinstein |
hep-lat/9405018 | The SU(3) deconfining phase transition with Symanzik action | We report on the determination of the deconfining temperature in SU(3) pure
gauge theory, using the Symanzik tree level improved action, on lattices of
size 3 x 12^3, 4 x 16^3, 5 x 20^3, 6 x24^3. We find that the asymptotic scaling
violation pattern is similar to the one observed using the Wilson action. We
conclude th... | 1994-05-24 | 2009-10-22 | [
"hep-lat"
] | G.Cella, G.Curci, A.Vicere', B.Vigna |
hep-lat/9405017 | Adiabatic Quantum Transport: Quantization and Fluctuations | Quillen's local index theorem is used to study the charge transport
coefficients (adiabatic curvature) associated to the ground state of a
Schr\"odinger operator for a charged (spinless) particle on a closed, multiply
connected surface. The formula splits the adiabatic curvature into an explicit
integral part and a flu... | 1994-05-23 | 2009-10-22 | [
"hep-lat"
] | J.E.Avron, R. Seiler and P. Zograf |
hep-lat/9405015 | Antiferromagnetic Potts Models on the Square Lattice | We study the antiferromagnetic $q$-state Potts model on the square lattice
for $q=3$ and $q=4$, using the Wang-Swendsen-Koteck\'y Monte Carlo algorithm
and a new finite-size-scaling extrapolation method. For $q=3$ we obtain good
control up to correlation length $\xi \sim 5000$; the data are consistent with
$\xi(\beta) ... | 1994-05-17 | 2016-08-31 | [
"hep-lat",
"cond-mat"
] | Sabino Jos\'e Ferreira and Alan D. Sokal |
hep-lat/9405014 | The Effect of Dynamical Gauge Field on the Chiral Fermion on a boundary | We study the effect of dynamical gauge field on the Kaplan's chiral fermion
on a boundary in the strong gauge coupling limit in the extra dimension. To all
orders of the hopping parameter expansion, we prove exact parity invariance of
the fermion propagator on the boundary. This means that the chiral property of
the bo... | 1994-05-17 | 2015-06-25 | [
"hep-lat"
] | H.Aoki, S.Iso, J.Nishimura and M.Oshikawa |
hep-lat/9405016 | Monte Carlo Methods for the Self-Avoiding Walk | This article is a pedagogical review of Monte Carlo methods for the
self-avoiding walk, with emphasis on the extraordinarily efficient algorithms
developed over the past decade. | 1994-05-17 | 2007-05-23 | [
"hep-lat",
"cond-mat"
] | Alan D. Sokal |
hep-lat/9405013 | Volume dependence of the phase boundary in 4D dynamical triangulation | The number of configurations of the dynamical triangulation model of 4D
euclidean quantum gravity appears to grow faster than exponentially with the
volume, with the implication that the system would end up in the crumpled phase
for any fixed $\kappa_2$ (inverse bare Newton constant). However, a scaling
region is not e... | 1994-05-16 | 2009-10-22 | [
"hep-lat",
"gr-qc"
] | Bas V. de Bakker and Jan Smit |
hep-lat/9405012 | Polyakov Loops and Finite-Size Effects of Hadron Masses in Lattice Full
Q.C.D | The polarization of Polyakov type loops is responsible for the difference
between quenched and unquenched finite size effects on the QCD mass spectrum.
With a numerical simulation, using different sea quarks boundary conditions, we
show that we can align the spatial Polyakov loops in a predefined direction.
Starting fr... | 1994-05-12 | 2019-08-17 | [
"hep-lat"
] | S.Antonelli, M.Bellacci, L.A.Fern\'andez, A.Mu\~noz-Sudupe,
J.J.Ruiz-Lorenzo, R.Sarno, A.Taranc\'on and A.Bartoloni, C.Battista,
N.Cabibbo, S.Cabasino, E.Panizzi, P.S.Paolucci, G.M.Todesco, M.Torelli,
R.Tripiccione, P.Vicini |
hep-lat/9405011 | Fractal Wilson Loop - Area Law and Gauge Invariance in Next to Leading
Order | We consider a fractal Wilson loop $<F_{P}>$ and present physical arguments
why this should be a relevant observable in nature. We show for non-compact
SU(2) lattice gauge theory in the next to leading order of strong coupling
expansion that $<F_{P}>$ obeys an area law behavior and is gauge invariant. | 1994-05-12 | 2009-09-25 | [
"hep-lat"
] | D. Allouani and H. Kr\"oger |
hep-lat/9405010 | On the exponential bound in four dimensional simplicial gravity | Simplicial quantum gravity has been proposed as a regularization for four
dimensional quantum gravity. The partition function is constructed by
performing a weighted sum over all triangulations of the 4-sphere. The model is
well-defined only if the number of such triangulations consisting of $N$
simplexes is exponentia... | 1994-05-11 | 2009-10-22 | [
"hep-lat",
"gr-qc",
"hep-th"
] | J. Ambjorn and J. Jurkiewicz |
hep-lat/9405009 | Three-Dimensional Integrable Models and Associated Tangle Invariants | In this paper we show that the Boltzmann weights of the three-dimensional
Baxter-Bazhanov model give representations of the braid group, if some suitable
spectral limits are taken. In the trigonometric case we classify all possible
spectral limits which produce braid group representations. Furthermore we prove
that for... | 1994-05-10 | 2009-10-22 | [
"hep-lat"
] | B.L. Cerchiai, M. Martellini, F. Valz-Gris |
hep-lat/9405008 | The random lattice as a regularization scheme | A semi-analytic method to compute the first coefficients of the
renormalization group functions on a random lattice is introduced. It is used
to show that the two-dimensional $O(N)$ non-linear $\sigma$-model regularized
on a random lattice has the correct continuum limit. A degree $\kappa$ of
``randomness'' in the latt... | 1994-05-09 | 2009-10-22 | [
"hep-lat"
] | B. Alles |
hep-lat/9405006 | Spatial and Temporal Hadron Correlators below and above the Chiral Phase
Transition | Hadronic correlation functions at finite temperature in QCD, with four
flavours of dynamical quarks, have been analyzed both above and below the
chiral symmetry restoration temperature. We have used both point and extended
sources for spatial as well as temporal correlators. The effect of periodic
temporal boundary con... | 1994-05-06 | 2009-10-22 | [
"hep-lat"
] | G. Boyd, Sourendu Gupta, F. Karsch and E. Laermann |
hep-lat/9405007 | The Block Spin Renormalization Group Approach and Two-Dimensional
Quantum Gravity | A block spin renormalization group approach is proposed for the dynamical
triangulation formulation of two-dimensional quantum gravity. The idea is to
update link flips on the block lattice in response to link flips on the
original lattice. Just as the connectivity of the original lattice is meant to
be a lattice repre... | 1994-05-06 | 2011-09-09 | [
"hep-lat"
] | Ray Renken |
hep-lat/9405005 | Localization in Lattice Gauge Theory and a New Multigrid Method | We show numerically that the lowest eigenmodes of the 2-dimensional
Laplace-operator with SU(2) gauge couplings are strongly localized. A
connection is drawn to the Anderson-Localization problem. A new Multigrid
algorithm, capable to deal with these modes, shows no critical slowing down for
this problem. | 1994-05-05 | 2015-06-25 | [
"hep-lat",
"cond-mat"
] | Martin B\"aker |
hep-lat/9405004 | Axial symmetries in lattice QCD with Kaplan fermions | This paper develops in detail a lattice definition of QCD based on the chiral
defect fermions recently introduced by Kaplan. The revised version provides
missing technical details in the proof that non-singlet axial symmetries become
exact in the limit of an infinite fifth dimension. Also several minor errors
are corre... | 1994-05-05 | 2009-10-22 | [
"hep-lat"
] | Vadim Furman and Yigal Shamir |
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