【摘 要】
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For Bose-Einstein condensates trapped in a harmonic potential well, we present numerical results from solving the time-dependent nonlinear Schr(o)dinger equatio
【机 构】
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Department of Mathematics and Physics,Department of Physics
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For Bose-Einstein condensates trapped in a harmonic potential well, we present numerical results from solving the time-dependent nonlinear Schr(o)dinger equation based on the Crank-Nicolson method. With this method we are able to find the ground state wave function and energy by evolving the trial initial wave function in real and imaginary time spaces, respectively. In real time space, the results are in agreement with [Phys. Rev. A 51 (1995) 4704],but the trial wave function is restricted in a very small range. On the contrary, in imaginary time space, the trial wave function can be chosen widely, moreover, the results are stable.
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