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Adiabaticity Criterion for Moving Vortices in Dilute Bose-Einstein Condensates

S. M. M. Virtanen·T. P. Simula·M. M. Salomaa
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Abstract

Considering a moving vortex line in a dilute atomic Bose-Einstein condensate within time-dependent Hartree-Fock-Bogoliubov-Popov theory, we derive a criterion for the quasiparticle excitations to follow the vortex core rigidly. The assumption of adiabaticity, which is crucial for the validity of the stationary self-consistent theories in describing such time-dependent phenomena, is shown to imply a stringent criterion for the velocity of the vortex line. Furthermore, this condition is shown to be violated in the recent vortex precession experiments.

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BibTeXRIS

S. M. M. Virtanen, T. P. Simula, M. M. Salomaa. 2001-05-21. Adiabaticity Criterion for Moving Vortices in Dilute Bose-Einstein Condensates. https://doi.org/10.1103/physrevlett.87.230403

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