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Fermionic stabilization and density-wave ground state of a polar condensate

2007/05/07 by O.Dutta R. Kanamoto, O. Dutta R. Kanamoto, Kanamoto, O. Dutta R. +3
Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #FOS: Physical sciences #Other Condensed Matter (cond-mat.other) #Physics of Superconductivity and Magnetism #Quantum, superfluid, helium dynamics #cond-mat.other

paper · pdf · doi:10.48550/arxiv.0705.0972

openalex publication_date 2007/05/07 · arxiv created 2007/08/02 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We examine the stability of a trapped dipolar condensate mixed with a single-component fermion gas at T=0. Whereas pure dipolar condensates with small s-wave interaction are unstable even for small dipole-dipole interaction strength, we find that the admixture of fermions can significantly stabilize them, depending on the strength of the boson-fermion interaction. Within the stable regime we find a region where a ground state is characterized by a density wave along the soft trap direction.

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