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Hubbard model for atomic impurities bound by the vortex lattice of a rotating Bose-Einstein condensate

Abstract:

We investigate cold bosonic impurity atoms trapped in a vortex lattice formed by condensed bosons of another species. We describe the dynamics of the impurities by a bosonic Hubbard model containing occupation-dependent parameters to capture the effects of strong impurity-impurity interactions. These include both a repulsive direct interaction and an attractive effective interaction mediated by the Bose-Einstein condensate. The occupation dependence of these two competing interactions drastic...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1103/PhysRevLett.116.240402

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Department:
Oxford, MPLS, Physics, Atomic & Laser Physics
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Grant:
Horizon 2020 641277/
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Letters Journal website
Volume:
116
Issue:
24
Pages:
240402
Publication date:
2016-06-14
Acceptance date:
2016-05-12
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pubs id:
pubs:632217
URN:
uri:b6750d64-7e1b-4103-b9a0-b5ef05d53066
UUID:
uuid:b6750d64-7e1b-4103-b9a0-b5ef05d53066
Local pid:
pubs:632217
Language:
English
Keywords:

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