P. J. Silva

Publications46
h-index13
Citations563
Highly Influential Citations10
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The lattice infrared Landau gauge gluon propagator: the infinite volume limit
We report on the infrared behaviour of the lattice gluon propagator. The bounds on D(0) and their behaviour with the lattice volume are investigated, together with the full propagator. Moreover, a…
The lattice infrared Landau gauge gluon propagator: from finite volume to the infinite volume
The Landau gauge lattice gluon propagator is discussed for different sets of lattices. Particular attention is given to its infrared properties. Our results show that the lattice propagator can be…
The lattice gluon propagator in renormalizable $\xi$ gauges
We study the SU(3) gluon propagator in renormalizable $R_\xi$ gauges implemented on a symmetric lattice with a total volume of (3.25 fm)$^4$ for values of the guage fixing parameter up to $\xi=0.5$.…
Gluon screening mass at finite temperature from the Landau gauge gluon propagator in lattice QCD
We address the interpretation of the Landau gauge gluon propagator at finite temperature as a massive-type bosonic propagator. Using pure gauge SU(3) lattice simulations at a fixed lattice volume…
Gribov copies, Lattice QCD and the gluon propagator
Improving dynamical lattice QCD simulations through integrator tuning using Poisson brackets and a force-gradient integrator
We show how the integrators used for the molecular dynamics step of the Hybrid Monte Carlo algorithm can be further improved. These integrators not only approximately conserve some Hamiltonian H but…
What does low energy physics tell us about the zero momentum gluon propagator
Force-gradient integrators
We present initial results of the use of Force Gradient integ rators for lattice field theories. These promise to give significant performance improvements, espe cially for light fermions and large…
Just how different are SU(2) and SU(3) Landau-gauge propagators in the IR regime?
The infrared behavior of gluon and ghost propagators in Yang-Mills theories is of central importance for understanding quark and gluon confinement in QCD. While simulations of pure SU(3) gauge theory…
Shadow Hamiltonians, Poisson brackets, and gauge theories
Numerical lattice gauge theory computations to generate gauge field configurations including the effects of dynamical fermions are usually carried out using algorithms that require the molecular…
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