Faraday patterns in Bose-Einstein condensates

Details Faraday patterns in Bose-Einstein condensates Faraday patterns in Bose-Einstein condensates

2002-04-24

arxiv.org/abs/cond-mat/0204517v1

Physics

Condensed Matter

Statistical Mechanics

submitted to Phys.Rev.Letters

Scientific paper

10.1103/PhysRevLett.89.210406

Temporal periodic modulation of the interatomic s-wave scattering length in Bose-Einstein condensates is shown to excite subharmonic patterns of atom density through a parametric resonance. The dominating wavelength of the spatial structures is shown to be primarily selected by the excitation frequency but also affected by the depth of the spatial modulation via a nonlinear resonance. These phenomena represent macroscopic quantum analogues of the Faraday waves excited in vertically shaken liquids.

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