Berry phase for spin--1/2 particles moving in a spacetime with torsion

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dc.creatorAlimohammadi, M.
dc.creatorShariati, A.
dc.date2000-09-19
dc.date2001-05-09
dc.date.accessioned2026-07-07T12:25:50Z
dc.date.available2026-07-07T12:25:50Z
dc.descriptionBerry phase for a spin--1/2 particle moving in a flat spacetime with torsion is investigated in the context of the Einstein-Cartan-Dirac model. It is shown that if the torsion is due to a dense polarized background, then there is a Berry phase only if the fermion is massless and its momentum is perpendicular to the direction of the background polarization. The order of magnitude of this Berry phase is discussed in other theoretical frameworks.
dc.description9 pages. Some typos corrected, a discussion on propagating torsion is added, accepted for publication in Eur. Phys. J. C (2001)
dc.identifierhttps://arxiv.org/abs/gr-qc/0009067
dc.identifierhttp://arxiv.org/abs/gr-qc/0009067
dc.identifierEur.Phys.J.C21:193-196,2001
dc.identifierdoi:10.1007/s100520100692
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/214692
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Theory
dc.titleBerry phase for spin--1/2 particles moving in a spacetime with torsion
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