Volume 84, Number 3, November 2008
|Number of page(s)||6|
|Published online||29 October 2008|
Dirac equations in curved space-time vs. Papapetrou spinning particles
ICRA (International Center for Relativistic Astrophysics), c/o Department of Physics - “Sapienza” University of Rome - Piazzale Aldo Moro 5, 00185, Roma, Italy, EU
2 School of Mathematical Sciences, Queen Mary, University of London - London E1 4NS, UK, EU
3 ENEA C.R. Frascati - via Enrico Fermi 45, 00044 Frascati, Roma, Italy, EU
4 ICRANet - C. C. Pescara - Piazzale della Repubblica 10, 65100, Pescara, Italy, EU
Corresponding author: email@example.com
Accepted: 30 September 2008
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.
PACS: 04.62.+v – Quantum fields in curved spacetime
© EPLA, 2008
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