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Internal frame dragging and a global analog of the Aharonov-Bohm effect.

Abstract:
It is shown that the breakdown of a {\it global} symmetry group to a discrete subgroup can lead to analogues of the Aharonov-Bohm effect. At sufficiently low momentum, the cross-section for scattering of a particle with nontrivial $\Z_2$ charge off a global vortex is almost equal to (but definitely different from) maximal Aharonov-Bohm scattering; the effect goes away at large momentum. The scattering of a spin-1/2 particle off a magnetic vortex provides an amusing experimentally realizable example.

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Publisher copy:
10.1103/physrevlett.68.2567

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Journal:
Physical review letters
Volume:
68
Issue:
17
Pages:
2567-2571
Publication date:
1992-04-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:9644d27c-9f91-4fcf-94ef-a7c903ebbfc4
Source identifiers:
27895
Local pid:
pubs:27895
Language:
English
Keywords:

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