Published January 1, 2013
| Version v1
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FARADAY WAVES IN CIGAR-SHAPED BOSE-EINSTEIN CONDENSATES WITH RADIALLY INHOMOGENEOUS SCATTERING LENGTHS
- 1. Govt Coll Women Autonomous, Postgrad & Res Dept Phys, Ctr Nonlinear Sci, Kumbakonam 612001, India
- 2. Horia Hulubei Natl Inst Phys & Nucl Engn, Magurele, Romania
Description
In this short note, we investigate by variational means the emergence of Faraday waves in cigar-shaped Bose-Einstein condensates with radially inhomogeneous scattering lengths subject to periodic modulations of the radial confining potential. Our main result is that for weakly inhomogeneous scattering lengths, the Faraday waves follow a dispersion relation identical to that observed in condensates with spatially homogeneous scattering lengths.
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