Abstract.
The non-minimal coupling of fermions to a background responsible for the breaking of Lorentz symmetry is introduced in Dirac’s equation; the non-relativistic regime is contemplated, and the Pauli equation is used to show how an Aharonov-Casher phase may appear as a natural consequence of the Lorentz violation, once the particle is placed in a region where there is an electric field. Different ways of implementing the Lorentz breaking are presented and, in each case, we show how to relate the Aharonov-Casher phase to the particular components of the background vector or tensor that realizes the violation of Lorentz symmetry.
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Received: 23 February 2005, Revised: 12 March 2005, Published online: 18 May 2005
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Belich, H., Costa-Soares, T., FerreiraJr., M.M. et al. Non-minimal coupling to a Lorentz-violating background and topological implications. Eur. Phys. J. C 41, 421–426 (2005). https://doi.org/10.1140/epjc/s2005-02240-y
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DOI: https://doi.org/10.1140/epjc/s2005-02240-y