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Feshbach resonance management of Bose-Einstein condensates in optical lattices.

Abstract:

We analyze gap solitons in trapped Bose-Einstein condensates (BECs) in optical lattice potentials under Feshbach resonance management. Starting with an averaged Gross-Pitaevsky equation with a periodic potential, we employ an envelope-wave approximation to derive coupled-mode equations describing the slow BEC dynamics in the first spectral gap of the optical lattice. We construct exact analytical formulas describing gap soliton solutions and examine their spectral stability using the Chebyshe...

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Publisher copy:
10.1103/physreve.74.036610

Authors


Porter, MA More by this author
Chugunova, M More by this author
Pelinovsky, DE More by this author
Journal:
Physical review. E, Statistical, nonlinear, and soft matter physics
Volume:
74
Issue:
3 Pt 2
Pages:
036610
Publication date:
2006-09-05
DOI:
EISSN:
1550-2376
ISSN:
1539-3755
URN:
uuid:8cf02056-65b3-4957-aa57-c2b6c9631388
Source identifiers:
191367
Local pid:
pubs:191367
Language:
English

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