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GPU implementation of a Landau gauge fixing algorithm
Nuno Cardoso, Paulo J. Silva, Orlando Oliveira +1
We discuss how the steepest descent method with Fourier acceleration for Laudau gauge fixing in lattice SU(3) simulations can be implemented using CUDA. The scaling of the gauge fi…
Colour Fields of the Static Pentaquark System Computed in SU(3) Lattice QCD
Nuno Cardoso, Pedro Bicudo
We compute the colour fields of SU(3) lattice QCD created by static pentaquark systems, in a lattice at corresponding to a lattice spacing f…
Detailed study of quark-antiquark flux tubes and flux tube recombination
Marco Cardoso, Pedro Bicudo, Nuno Cardoso
In this work we compute the color fields in the mediator plane between a static quark and a static antiquark using quenched lattice QCD. In special, we see the effect of the quark-…
Landau Gauge Fixing on GPUs and String Tension
Nuno Cardoso, Pedro Bicudo, Paulo J. Silva +1
We explore the performance of CUDA in performing Landau gauge fixing in Lattice QCD, using the steepest descent method with Fourier acceleration. The code performance was tested in…
Study of compact U(1) flux tubes in 3+1 dimensions in lattice gauge theory using GPU's
André Amado, Nuno Cardoso, Marco Cardoso +1
We utilize Polyakov loop correlations to study (3+1)D compact U(1) flux tubes and the static electron-positron potential in lattice gauge theory. By using field operators it is pos…
Landau Gauge Fixing on GPUs
Nuno Cardoso, Paulo J. Silva, Pedro Bicudo +1
In this paper we present and explore the performance of Landau gauge fixing in GPUs using CUDA. We consider the steepest descent algorithm with Fourier acceleration, and compare th…
Variational study of the flux tube recombination in the two quarks and two quarks system in Lattice QCD
M. Cardoso, N. Cardoso, P. Bicudo
The color fields in a system composed by two static quarks and two static antiquarks are studied. In particular, we consider the four particles in the corners of a rectangle, and t…
Tetraquark and the flux tube recombination
Marco Cardoso, Pedro Bicudo, Nuno Cardoso
Here we study the static potential for the two quarks and two antiquarks system. First this is done using the tetraquark operator, which has been previously used to calculate the s…