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Vacuum induced spin-1/2 Berry's phase.

Abstract:
We calculate the Berry phase of a spin-1/2 particle in a magnetic field considering the quantum nature of the field. The phase reduces to the standard Berry phase in the semiclassical limit and the eigenstate of the particle acquires a phase in the vacuum. We also show how to generate a vacuum induced Berry phase considering two quantized modes of the field which has an interesting physical interpretation.
Publication status:
Published

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Authors


Fuentes-Guridi, I More by this author
Carollo, A More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Journal:
Physical review letters
Volume:
89
Issue:
22
Pages:
220404
Publication date:
2002-11-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:3b89a30a-ebe5-4454-beb0-241e473ac817
Source identifiers:
154501
Local pid:
pubs:154501
Language:
English

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