Quantum fluctuations in coupled dark solitons in trapped Bose-Einstein condensates

Details Quantum fluctuations in coupled dark solitons in trapped Bose-Einstein condensates Quantum fluctuations in coupled dark solitons in trapped Bose-Einstein condensates

2001-10-20

arxiv.org/abs/cond-mat/0110428v1

Physics

Condensed Matter

4 pages, 3 figures

Scientific paper

10.1088/0953-4075/35/16/316

We show that the quantum fluctuations associated with the Bogoliubov quasiparticle vacuum can be strongly concentrated inside dark solitons in a trapped Bose Einstein condensate. We identify a finite number of anomalous modes that are responsible for such quantum phenomena. The fluctuations in these anomalous modes correspond to the `zero-point' oscillations in coupled dark solitons.

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