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Superfluid and Insulating Phases of Fermion Mixtures in Optical Lattices by Iskin, M.; de Melo, C. A. R. Sa is a scholarly article available to read on EtoBox.

What is Superfluid and Insulating Phases of Fermion Mixtures in Optical Lattices about?

The ground state phase diagram of fermion mixtures in optical lattices is analyzed as a function of interaction strength, fermion filling factor and tunneling parameters. In addition to standard superfluid, phase-separated or coexisting superfluid/excess-fermion phases found in homogeneous or harmonically trapped systems, fermions in optical lattices have several insulating phases, including a molecular Bose-Mott insulator (BMI), a Fermi-Pauli (band) insulator (FPI), a phase-separated BMI/FPI mixture or a Bose-Fermi checkerboard (BFC). The molecular BMI phase is the fermion mixture counterpart of the atomic BMI found in atomic Bose systems, the BFC or BMI/FPI phases exist in Bose-Fermi mixtures, and lastly the FPI phase is particular to the Fermi nature of the constituent atoms of the mixture.

Author

Iskin, M.; de Melo, C. A. R. Sa

Published

2006

Language

EN