Journal
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
Volume 56, Issue 20, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1751-8121/accda4
Keywords
Bose-Fermi mixture; contact interaction; three-body problem
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We investigate the equilibrium mean-field properties of a mixture composed of bosons and spin-polarized fermionic atoms in a system with a point-like interaction, where the dimension is between 2 and 4. In addition to the system's weak coupling limit, which involves a slightly depleted Bose condensate and an almost ideal Fermi gas, we discuss the (meta)stable phase characterized by dimers consisting of exactly one boson and one fermion. We elucidate the peculiar characteristics of the fermion-dimer and boson-dimer three-body effective interactions, and their effects on the thermodynamic stability of dilute Bose-Fermi mixtures.
We discuss an equilibrium mean-field properties of mixtures consisting of bosons and spin-polarized fermionic atoms with a point-like interaction in an arbitrary dimension 2 < d < 4. Particularly, besides the standard weak coupling limit of the system with slightly depleted Bose condensate and almost ideal Fermi gas, we discuss the (meta)stable phase with dimers composed exactly of one boson and one fermion. The peculiarities of the fermion-dimer and the boson-dimer three-body effective interactions and their impact on the thermodynamic stability of the dilute Bose-Fermi mixtures are elucidated.
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