Question of the nonlocality of the Aharonov-Casher effect

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Abstract

The Aharanov-Casher effect is manifested in a (2+1)-dimensional model that screens the electromagnetic fields, in order to demonstrate that the effect is essentially nonlocal in its nature. The question of nonlocality is discussed by means of a nonrelativistic model for a superconductor. It is demonstrated that although the superconductor screens the electric field generated by an external charge it does not screen the modular electric field which is a constant of motion of the system. Consequently, a magnetic fluxon will accumulate the same phase as if the electric field were unscreened and the Aharonov-Casher effect will exist even in a force-free region.

Original languageEnglish
Pages (from-to)4178-4183
Number of pages6
JournalPhysical review D
Volume40
Issue number12
DOIs
StatePublished - 1989

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