Tunneling Time of Bose-Einstein Condensates on Real Time Stochastic Approach

Details Tunneling Time of Bose-Einstein Condensates on Real Time Stochastic Approach Tunneling Time of Bose-Einstein Condensates on Real Time Stochastic Approach

2011-06-04

arxiv.org/abs/1106.0802v1

Physics

Condensed Matter

Quantum Gases

8 page, 9 figures

Scientific paper

We study tunneling processes of Bose-Einstein condensate (BEC) on the real time stochastic approach and reveal some properties of their tunneling time. An important result is that the tunneling time decreases as the repulsive interatomic interaction becomes stronger. Furthermore, the tunneling time in a strong interaction region is not much affected by the potential height and is represented by an almost constant function. We also obtain the other related times such as the hesitating and interaction ones and investigate their dependence on the interaction strength. Finally, we calculate the mean arrival time of BEC wave packet and show the large displacement of its peak position.

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