4 papers
Covariant gauge on the lattice: a new implementation
Attilio Cucchieri, Tereza Mendes, Elton M. S. Santos
We derive a new implementation of linear covariant gauges on the lattice, based on a minimizing functional that can be interpreted as the Hamiltonian of a spin-glass model in a ran…
On the generalized eigenvalue method for energies and matrix elements in lattice field theory
Benoit Blossier, Michele Della Morte, Georg von Hippel +2
We discuss the generalized eigenvalue problem for computing energies and matrix elements in lattice gauge theory, including effective theories such as HQET. It is analyzed how the…
Infrared behavior and infinite-volume limit of gluon and ghost propagators in Yang-Mills theories
Attilio Cucchieri, Tereza Mendes
Lattice studies of the infrared behavior of gluon and ghost propagators are a key probe of confinement scenarios in Yang-Mills theories. However, finite-volume effects become an im…
Linear Covariant Gauges on the Lattice
Attilio Cucchieri, Axel Maas, Tereza Mendes
Linear covariant gauges, such as Feynman gauge, are very useful in perturbative calculations. Their nonperturbative formulation is, however, highly non-trivial. In particular, it i…