Nonconservation of the net current of Dirac particles in Tolman-Bondi and Robertson-Walker geometries |
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| Authors: | Antonio Zecca |
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| Affiliation: | (1) Dipartimento di Fisica dell' Universita' and INFN Sezione di Milano, I-20133 Milan, Italy |
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| Abstract: | A straightforward calculation shows that, in contrast to what happens for the Dirac equation in the Kerr metric, the net current of particles is not conserved in the case of the Dirac equation in the Tolman-Bondi and Robertson-Walker space-times. |
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