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  • Roy, Arko; Gautam, S.; Angom, D. (Springer, 2015-04)
    We show that the third Goldstone mode in the two-species condensate mixtures, which emerges at phase-separation, gets hardened when the confining potentials have separated trap centers. The sandwich type condensate density ...
  • Roy, Arko; Angom, D. (American Physical Society, 2014-08)
    We show that the presence of a soliton in a single-species condensate, at zero temperature, enhances the quantum depletion sufficiently enough to induce dynamical instability of the system. We also predict that for two-species ...
  • Roy, Arko; Angom, D. (American Physical Society, 2015-07)
    We examine the role of thermal fluctuations in binary condensate mixtures of dilute atomic gases. In particular, we use the Hartree-Fock-Bogoliubov theory with the Popov approximation to probe the impact of noncondensate ...

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