collaborators

1 paper

gr-qc2015

On the action for Weyssenhoff spin fluid and the Barbero-Immirzi parameter

Guilherme de Berredo-Peixoto, Cleber A. de Souza

It was showed by Perez and Rovelli in 2006 that the Holst action in gravity with torsion with massless and minimally coupling Dirac fermions gives rise to the four-fermion coupling…