Vortex waves in trapped Bose-Einstein condensates
T. P. Simula, T. Mizushima, and K. Machida
TL;DR
This paper theoretically investigates vortex waves in elongated Bose-Einstein condensates, focusing on axisymmetric varicose and helical Kelvin waves, their dynamics, and proposes an experimental creation method.
Contribution
It introduces a theoretical analysis of vortex wave dynamics in BECs and proposes a new method for their experimental generation.
Findings
Analysis of vortex wave growth and decay
Identification of varicose and Kelvin wave behaviors
Proposal for experimental vortex wave creation
Abstract
We have theoretically studied vortex waves of Bose-Einstein condensates in elongated harmonic traps. Our focus is on the axisymmetric varicose waves and helical Kelvin waves of singly quantized vortex lines. Growth and decay dynamics of both types of vortex waves are discussed. We propose a method to experimentally create these vortex waves on demand.
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