Neutrino Wave Packet Propagation in Gravitational Fields

Details Neutrino Wave Packet Propagation in Gravitational Fields Neutrino Wave Packet Propagation in Gravitational Fields

2005-02-23

arxiv.org/abs/gr-qc/0502098v2

Phys.Lett.A351:373-378,2006

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Updated with more details; 9 pages, 8 figures

Scientific paper

10.1016/j.physleta.2005.11.032

We discuss the propagation of neutrino wave packets in a Lense-Thirring space-time using a gravitational phase approach. We show that the neutrino oscillation length is altered by gravitational corrections and that neutrinos are subject to helicity flip induced by stellar rotation. For the case of a rapidly rotating neutron star, we show that absolute neutrino masses can be derived, in principle, from rotational contributions to the mass-induced energy shift, without recourse to mass generation models presently discussed in the literature.

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