Classical quasiparticle dynamics and chaos in trapped Bose condensates

Details Classical quasiparticle dynamics and chaos in trapped Bose condensates Classical quasiparticle dynamics and chaos in trapped Bose condensates

1998-06-09

arxiv.org/abs/cond-mat/9806115v1

Physics

Condensed Matter

Statistical Mechanics

20 pages, 4 figures

Scientific paper

10.1016/S0167-2789(98)00225-5

In the short wavelength limit the Bogoliubov quasiparticles of trapped Bose-Einstein condensates can be described as classical particles and antiparticles with dynamics in a mixed phase-space. For anisotropic parabolic traps we determine the location of the resonances and study the influence of the sharpness of the condensate surface on the appearance of chaos as the energy of the quasiparticles is lowered from values much larger than to values comparable with the chemical potential.

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