Berry's phase of neutrino oscillations in the presence of torsion
Dipartimento di Scienze Fisiche “E. R. Caianiello”, Università
di Salerno I-84081 Baronissi (SA), Italy and
Istituto Nazionale di Fisica Nucleare, Sezione di Napoli - Napoli, Italy
Accepted: 30 July 2000
The Berry phase of oscillating neutrinos is calculated in the framework of theories of gravity with torsion. We find that it is related to the torsion field, besides the usual mixing angle. Its geometrical interpretion in the projective space of states is discussed.
PACS: 04.50.+h – Gravity in more than four dimensions, Kaluza-Klein theory, unified field theories; alternative theories of gravity / 03.65.Bz – Foundations, theory of measurement, miscellaneous theories (including Aharonov-Bohm effect, Bell inequalities, Berry's phase)
© EDP Sciences, 2000