Dynamical mean-field approximation for a two-component Fermi gas

Nir Barnea*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The properties of nonrelativistic two-component Fermi gas with attractive two-body contact interaction are studied within dynamical mean-field theory. To this end, the problem is approximated by the lattice Hubbard Hamiltonian. We have found that the low-density gas, corresponding to the limit of empty lattice, can be appropriately described in this theory. Moreover, we have also found that the main properties of the BCS-BEC transition are qualitatively captured as well.

Original languageAmerican English
Article number020501
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume77
Issue number2
DOIs
StatePublished - 17 Jan 2008

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