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High-field fractional quantum Hall effect in optical lattices.

Abstract:
We consider interacting bosonic atoms in an optical lattice subject to a large simulated magnetic field. We develop a model similar to a bilayer fractional quantum Hall system valid near simple rational numbers of magnetic flux quanta per lattice cell. Then we calculate its ground state, magnetic lengths, fractional fillings, and find unexpected sign changes in the Hall current. Finally we study methods for detecting these novel features via shot noise and Hall current measurements.
Publication status:
Published

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Authors


Palmer, RN More by this author
Journal:
Physical review letters
Volume:
96
Issue:
18
Pages:
180407
Publication date:
2006-05-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:f6f9c1f8-00e1-4621-bab7-28839ae0b462
Source identifiers:
27484
Local pid:
pubs:27484
Language:
English

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