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Bose-Bose mixtures in a weak-disorder potential: Fluctuations and superfluidity by Boudjemaa, Abdelaali; Abbas, Karima is a scholarly article available to read on EtoBox.

What is Bose-Bose mixtures in a weak-disorder potential: Fluctuations and superfluidity about?

We study the properties of a homogeneous dilute Bose-Bose gas in a weak-disorder potential at zero temperature. By using the perturbation theory, we calculate the disorder corrections to the condensate density, the equation of state, the compressibility, and the superfluid density as a function of density, strength of disorder, and miscibility parameter. It is found that the disorder potential may lead to modifying the miscibility-immiscibility condition and a full miscible phase turns out to be impossible in the presence of the disorder. We show that the intriguing interplay of the disorder and intra- and interspecies interactions may strongly influence the localization of each component, the quantum fluctuations, and the compressibility, as well as the superfluidity of the system.

Author

Boudjemaa, Abdelaali; Abbas, Karima

Published

2020

Language

EN