YiMin Tian

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  • YiMin Tian
  • 2010 International Forum on Information…
  • 2010
The initial value of the vortices in BEC was used to study the cases of vortices in BEC by numerical method, while different parameters corresponding cases of vortices. The stationary solution of G-P equation we get from the image time equation, while they converges to the solution of G-P equation very quickly as t → ∞.
  • YiMin Tian
  • 2009 International Symposium on Intelligent…
  • 2009
For a Bose-Einstein Condensate placed in a rotating trap and confined in the z axis, a multisymplectic difference scheme was constructed to investigate the evolution of vortices in this paper. First, we look for a steady state solution of the imaginary time G-P equation. Then, we numerically study the vortices's development in real time, starting with the(More)
  • YiMin Tian
  • 2010 Ninth International Symposium on Distributed…
  • 2010
For the propagation acoustic wave in inhomogeneous, we need to study Helmholtz equation, one of the difficulty is to cope with the big angular problem in the research of the propagation acoustic wave, so it is necessary to study the numerical method of isospectral problem. An numerical experiment of Newton iteration on Lie group of isospectral is introduced(More)
  • YiMin Tian
  • 2009 International Symposium on Intelligent…
  • 2009
For a Bose-Einstein Condensate placed in a rotating trap and confined in the z axis, a kind of symplectic difference schemes was constructed, which is second order in time and arbitrary order in space to investigate the evolution of vortices of BEC in this paper. First, we look for a steady state solution of the imaginary time G-P equation. Then, we(More)
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