Friday, July 5, 2013

1307.1345 (Michikazu Kobayashi et al.)

Vortex polygons and their stabilities in Bose-Einstein condensates and
field theory

Michikazu Kobayashi, Muneto Nitta
We study vortex polygons and their stabilities in miscible two-component Bose-Einstein condensates, and find that vortex polygons are stable for the total circulation $Q \leq 5$, metastable for $Q = 6$, and unstable for $Q \geq 7$. As a related model in high-energy physics, we also study the vortex polygon of the baby-Skyrme model with an anti-ferromagnetic potential term, and compare both results.
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