Dirac equations in curved space-time versus Papapetrou spinning particles
arXiv:0810.0447 · doi:10.1209/0295-5075/84/30008
Abstract
We find out classical particles, starting from Dirac quantum fields on a curved space-time, by an eikonal approximation and a localization hypothesis for amplitudes. We recover the results by Mathisson-Papapetrou, hence establishing a fundamental correspondence between the coupling of classical and quantum spinning particles with the gravitational field.
6 pages, 1 figure, accepted for publication in Europhysics Letters