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Parallel implementation of a lattice-gauge-theory code: studying quark confinement on PC clusters
Attilio Cucchieri, Tereza Mendes, Gonzalo Travieso +1
We consider the implementation of a parallel Monte Carlo code for high-performance simulations on PC clusters with MPI. We carry out tests of speedup and efficiency. The code is us…
The lattice gluon propagator into the next millennium
Attilio Cucchieri
We evaluate numerically the momentum-space gluon propagator in the lattice Landau gauge, for three- and four-dimensional pure SU(2) lattice gauge theory. Although there are large f…
Gauge fixing and gluon propagator in lambda-gauges
Attilio Cucchieri, Tereza Mendes
We discuss critical slowing-down of several gauge-fixing algorithms for the so-called lambda-gauges in the SU(2) case at zero temperature. For these gauges we also evaluate the glu…
Pseudo-Character Expansions for U(N)-Invariant Spin Models on CP^{N-1}
Attilio Cucchieri, Tereza Mendes, Andrea Pelissetto
We define a set of orthogonal functions on the complex projective space CP^{N-1}, and compute their Clebsch-Gordan coefficients as well as a large class of 6-j symbols. We also pro…