Bose-Einstein condensates in strong electric fields -- effective gauge potentials and rotating states

Details Bose-Einstein condensates in strong electric fields -- effective gauge potentials and rotating states Bose-Einstein condensates in strong electric fields -- effective gauge potentials and rotating states

2002-06-17

arxiv.org/abs/cond-mat/0206308v1

Phys. Rev. A, 66 (2002) 053603

Physics

Condensed Matter

5 pages, 2 ps figures, RevTex

Scientific paper

10.1103/PhysRevA.66.053603

Magnetically-trapped atoms in Bose-Einstein condensates are spin polarized. Since the magnetic field is inhomogeneous, the atoms aquire Berry phases of the Aharonov-Bohm type during adiabatic motion. In the presence of an eletric field there is an additional Aharonov-Casher effect. Taking into account the limitations on the strength of the electric fields due to the polarizability of the atoms, we investigate the extent to which these effects can be used to induce rotation in a Bose-Einstein condensate.

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