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题名: Two-dimensional Quantum Turbulence in a Nonuniform Bose-Einstein Condensate
作者: Horng, T. L.;Hsueh, C. H.;Su, S. W.;Kao, Y. M.;Gou, Shih-Chuan
贡献者: 物理學系
日期: 2009
上传时间: 2012-12-10T02:27:26Z
出版者: The American Physical Society
摘要: We investigate the dynamics of turbulent flow in a two-dimensional trapped Bose-Einstein condensate by solving the Gross-Pitaevskii equation numerically. The development of the quantum turbulence is activated by the disruption of an initially embedded vortex quadrupole. By calculating the incompressible kinetic-energy spectrum of the superflow, we conclude that this quantum turbulent state is characterized by the Kolmogorov-Saffman scaling law in the wave-number space. Our study predicts the coexistence of two subinertial ranges responsible for the energy cascade and enstrophy cascade in this prototype of two-dimensional quantum turbulence.
關聯: Physical Review A., 80(2): 023618
显示于类别:[物理學系] 期刊論文

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