Abstract
We study the motion of a vortex under the influence of a harmonic force in an approximately two dimensional trapped Bose-condensed gas. The Hall-Vinen-Iordanskii equations, modified to include a fluctuational force and an inertial mass term, are solved for the vortex motion. The mass of the vortex has a strong influence on the time it takes the vortex to escape the trap. Since the vortex mass also depends on the trap size we have an additional dependence on the trap size in the escape time which we compare to the massless case.
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This work was supported by NSERC, by CIFAR, and by PITP.
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Cox, T., Stamp, P.C.E. Inertial and Fluctuational Effects on the Motion of a Bose Superfluid Vortex. J Low Temp Phys 171, 459–465 (2013). https://doi.org/10.1007/s10909-012-0731-3
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DOI: https://doi.org/10.1007/s10909-012-0731-3