Effect of Disorder Amplitude on the Transport of Bose Einstein Condensates at Lowest Energy

We study the diffusion of an expanding Bose-Einstein condensate released from a harmonic trap in a three-dimensional speckle disorder potential. To this end, we use the first Born approximation and examine the density profiles at short and long times. Analytical results are presented in different regimes. The spatiotemporal evolution of the density profiles is examined. We find that at long times and for a fixed disorder strength, the profile of the atomic average density decreases in power law. The time evolution of the typical size of the condensate is explored numerically.

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Dynamic evolution of expanding Bose–Einstein condensates in the presence of a three-dimensional random optical speckle potential

Yedjour

Benmahdjoub

Boudjemâa

2022

Phys. Scr.

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Effect of Disorder Amplitude on the Transport of Bose Einstein Condensates at Lowest Energy

Cited by 1 publication

References 31 publications

Dynamic evolution of expanding Bose–Einstein condensates in the presence of a three-dimensional random optical speckle potential

Dynamic evolution of expanding Bose–Einstein condensates in the presence of a three-dimensional random optical speckle potential

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