National Changhua University of Education Institutional Repository : Item 987654321/14842

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NCUEIR > College of Science > Department of Physics > Periodical Articles > Item 987654321/14842

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/14842

Title:	Transition to Quantum Turbulence in a Bose-Einstein Condensate Through the Bending-wave Instability of a Single-vortex Ring
Authors:	Horng, T. L.;Hsueh, C. H.;Gou, Shih-Chuan
Contributors:	物理學系
Date:	2008
Issue Date:	2012-12-10T02:27:24Z
Publisher:	The American Physical Society
Abstract:	We investigate the dynamics of an unstable vortex ring in a pancake-shaped Bose-Einsten condensate by solving the Gross-Pitaevskii equation numerically. It is found that a quasisteady turbulent state with long relaxation time can be achieved through the disruption of a perturbed vortex ring in the condensate owing to the bending-wave instability. We verify that this quantum turbulent state is characterized by Kolmogorov energy spcetrum.
Relation:	Physical Review A., 77(6): 063625
Appears in Collections:	[Department of Physics] Periodical Articles

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