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Effects of the Lee-Huang-Yang quantum corrections on a disordered dipolar Bose gas

  • Abdelâali BoudjemâaEmail author
Regular Article
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Abstract

We study the behavior of a quantum dipolar Bose condensate with the Lee-Huang-Yang quantum corrections at zero temperature in the presence of weak disorder potential. We solve the underlying nonlocal Gross-Pitaevskii equation using a perturbative theory. The role of both the Lee-Huang-Yang term and the disorder potential on the condensed fraction, the equation of state, the compressibility and the superfluid density is deeply analyzed. Surprisingly, we find that the Lee-Huang-Yang quantum corrections not only arrest the dipolar implosion but also lead to reduce the condensate fluctuations due to the disorder effects prohibiting the formation of a Bose glass state. We show that the superfluid density exhibits unconventional behavior.

Graphical abstract

Keywords

Statistical and Nonlinear Physics 

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Copyright information

© EDP Sciences / Società Italiana di Fisica / Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of PhysicsFaculty of Exact Sciences and Informatics, Hassiba Benbouali University of ChlefChlefAlgeria
  2. 2.Laboratory of Mechanics and Energy, Hassiba Benbouali University of ChlefChlefAlgeria

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