Precessional motion of a vortex in a finite-temperature Bose-Einstein condensate

Details Precessional motion of a vortex in a finite-temperature Bose-Einstein condensate Precessional motion of a vortex in a finite-temperature Bose-Einstein condensate

2003-10-28

arxiv.org/abs/cond-mat/0310651v3

Physics

Condensed Matter

Soft Condensed Matter

6 pages, 9 figures. More discussion in Sec.III. Reference is updated

Scientific paper

10.1103/PhysRevA.69.063601

We study the precessing motion of a vortex in a Bose-Einstein condensate of atomic gases. In addition to the former zero-temperature studies, finite temperature systems are treated within the Popov and semiclassical approximations. Precessing vortices are discussed utilizing the rotating frame of reference. The relationship between the sign of the lowest excitation energy and the direction of precession is discussed in detail.

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