Time-reversal symmetry breaking and decoherence in chaotic Dirac billiards Agnaldo J. Nascimento Júnior, Marilia S.M. Barros, Jorge G.G.S. Ramos and Anderson L.R. Barbosa Eur. Phys. J. B, 89 9 (2016) 194 Published online: 12 September 2016 DOI: 10.1140/epjb/e2016-70147-x