2020
DOI: 10.1088/1361-6455/ab707d
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Controllable splitting dynamics of a doubly quantized vortex in a ring-shaped condensate

Abstract: We study the dynamics of a doubly quantized vortex (DQV), created by releasing a ring-shaped Bose-Einstein condensate with quantized circulation into harmonic potential traps. It is shown that a DQV can be generated and exists stably in the middle of the ring-shaped condensate with the initial circulation s = 2 after released into the rotationally symmetric trap potential. For an asymmetric trap with a small degree of anisotropy the DQV initially splits into two singly quantized vortices and revives again but … Show more

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Cited by 4 publications
(1 citation statement)
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“…In addition, the vortex dynamics has also been widely studied both theoretically and experimentally [10][11][12]. In particular, over the last two decades, splitting of multiply quantized vortices into many singly quantized vortices has been extensively investigated in gaseous BEC [13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30]. However, studies on the effect of finite temperature on vortex splitting are still lacking.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, the vortex dynamics has also been widely studied both theoretically and experimentally [10][11][12]. In particular, over the last two decades, splitting of multiply quantized vortices into many singly quantized vortices has been extensively investigated in gaseous BEC [13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30]. However, studies on the effect of finite temperature on vortex splitting are still lacking.…”
Section: Introductionmentioning
confidence: 99%