Interferences in the density of two Bose-Einstein condensates consisting of identical or different atoms
L. S. Cederbaum, A. I. Streltsov, Y. B. Band, O. E. Alon
TL;DR
This paper investigates how interference patterns emerge in overlapping Bose-Einstein condensates of either identical or different atoms, highlighting the role of interparticle interactions during expansion.
Contribution
It provides a comparative analysis of interference phenomena in two scenarios: identical atoms and different atomic species, emphasizing the effects of interparticle interactions.
Findings
Interference patterns develop over time due to interactions.
Differences in atomic species affect the interference behavior.
Theoretical models illustrate the dynamics of overlapping condensates.
Abstract
The density of two {\it initially independent} condensates which are allowed to expand and overlap can show interferences as a function of time due to interparticle interaction. Two situations are separately discussed and compared: (1) all atoms are identical and (2) each condensate consists of a different kind of atoms. Illustrative examples are presented.
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