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Number of results

Journal

2012 | 10 | 2 | 335-341

Article title

Oscillations in a parametrically excited Bose-Einstein condensate in combined harmonic and optical lattice trap

Content

Title variants

Languages of publication

EN

Abstracts

EN
In this work, we study parametric excitations in an elongated cigar-shaped BEC in a combined harmonic trap and a time dependent optical lattice by using numerical techniques. We show that there exists a relative competition between the harmonic trap which tries to spatially localize the BEC and the time varying optical lattice which tries to delocalize the BEC. This competition gives rise to parametric excitations (oscillations of the BEC width). Regular oscillations disappear when one of the competing factors, i.e. the strength of harmonic trap or the strength of optical lattice, dominates. Parametric instabilities (chaotic dynamics) arise for large variations in the strength of the optical lattice.

Publisher

Journal

Year

Volume

10

Issue

2

Pages

335-341

Physical description

Dates

published
1 - 4 - 2012
online
31 - 3 - 2012

Contributors

  • Department of Physics and Astrophysics, University of Delhi, Delhi, 110007, India
  • Department of Physics, ARSD College, University of Delhi (South Campus), New Delhi, 110021, India
author
  • Department of Physics and Astrophysics, University of Delhi, Delhi, 110007, India

References

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_s11534-012-0006-2
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