Dirac particles in a gravitational field |
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Authors: | Pierre Gosselin Hervé Mohrbach |
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Institution: | 1.Institut Fourier, UMR 5582 CNRS-UJF,UFR de Mathématiques, Université Grenoble I, BP74,Saint Martin d’Hères Cedex,France;2.Groupe BioPhysStat, ICPMB-FR CNRS 2843,Université Paul Verlaine-Metz,Metz Cedex 3,France |
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Abstract: | The semiclassical approximation for the Hamiltonian of Dirac particles interacting with an arbitrary gravitational field is
investigated. The time dependence of the metric leads to new contributions to the in-band energy operator in comparison to
previous works in the static case. In particular we find a new coupling term between the linear momentum and the spin, as
well as couplings that contribute to the breaking of the particle–antiparticle symmetry. |
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Keywords: | |
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