Curvature-spin coupling from the semi-classical limit of the Dirac equation

Details Curvature-spin coupling from the semi-classical limit of the Dirac equation Curvature-spin coupling from the semi-classical limit of the Dirac equation

2008-05-16

arxiv.org/abs/0805.2480v1

Int.J.Mod.Phys.23:1274-1277,2008; Int.J.Mod.Phys.A23:1274-1277,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, Proceedings of the II Stueckelberg workshop

Scientific paper

10.1142/S0217751X08040214

The notion of a classical particle is inferred from Dirac quantum fields on a
curved space-time, by an eikonal approximation and a localization hypothesis
for amplitudes. This procedure allows to define a semi-classical version of the
spin-tensor from internal quantum degrees of freedom, which has a
Papapetrou-like coupling with the curvature.

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