Rayleigh-Taylor instability and mushroom-pattern formation in a two-component Bose-Einstein condensate
Kazuki Sasaki, Naoya Suzuki, Daisuke Akamatsu, Hiroki Saito
TL;DR
This paper investigates the Rayleigh-Taylor instability in a two-component Bose-Einstein condensate, revealing pattern formation, vortex generation, and potential observability in trapped systems.
Contribution
It provides a theoretical analysis of instability development and pattern formation in two-component BECs using mean-field and Bogoliubov theories, highlighting vortex dynamics.
Findings
Rayleigh-Taylor fingers grow from the interface
Mushroom patterns form during instability
Quantized vortices are generated around mushrooms
Abstract
The Rayleigh-Taylor instability at the interface in an immiscible two-component Bose-Einstein condensate is investigated using the mean-field and Bogoliubov theories. Rayleigh-Taylor fingers are found to grow from the interface and mushroom patterns are formed. Quantized vortex rings and vortex lines are then generated around the mushrooms. The Rayleigh-Taylor instability and mushroom-pattern formation can be observed in a trapped system.
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