Internal Frame Dragging and a Global Analog of the Aharonov-Bohm Effect

Details Internal Frame Dragging and a Global Analog of the Aharonov-Bohm Effect Internal Frame Dragging and a Global Analog of the Aharonov-Bohm Effect

1991-12-19

arxiv.org/abs/hep-th/9112054v1

Phys.Rev.Lett. 68 (1992) 2567-2571

Physics

High Energy Physics

High Energy Physics - Theory

(14 pp)

Scientific paper

10.1103/PhysRevLett.68.2567

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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