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Rayleigh-Taylor instability in a phase-separated three-component Bose-Einstein condensate

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arxiv 2303.00797 v1 pith:KYSSDPG2 submitted 2023-03-01 cond-mat.quant-gas

Rayleigh-Taylor instability in a phase-separated three-component Bose-Einstein condensate

classification cond-mat.quant-gas
keywords condensateinstabilitythree-componentbose-einsteinnon-linearpatternsphase-separatedrayleigh-taylor
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We investigate the Rayleigh-Taylor instability at the two interfaces in a phase-separated three-component Bose-Einstein condensate in the mean-field framework. The subsequent dynamics in the immiscible three-component condensate has been studied in detail for different cases of instigating the instability in the system. The rotational symmetry of the system breaks when the atom-atom interaction is tuned in such a way that the interface between the components becomes unstable giving rise to non-linear patterns of mushroom shapes which grow exponentially with time. We also identify these non-linear patterns as the solutions of the angular Mathieu equation, representing the normal modes.

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