Kelvin-Tkachenko waves of few-vortex arrays in trapped Bose-Einstein condensates
Quantum Gases
2015-05-19 v2 Quantum Physics
Abstract
We have calculated the low-lying elementary excitations of three-dimensional few-vortex arrays in trapped Bose-Einstein condensates. The number of different Kelvin-Tkachenko vortex wave branches matches the number of vortices in the condensate. The lowest odd-parity modes exhibit superfluid gyroscopic vortex motion. Experimentally, these modes could be excited and observed individually or in connection with the formation and decay of quantum turbulence.
Keywords
Cite
@article{arxiv.1007.3548,
title = {Kelvin-Tkachenko waves of few-vortex arrays in trapped Bose-Einstein condensates},
author = {T. P. Simula and K. Machida},
journal= {arXiv preprint arXiv:1007.3548},
year = {2015}
}
Comments
4 pages, 3 figures, 16 movies http://pra.aps.org/supplemental/PRA/v82/i6/e063627