An insulating mix

In a Mott insulator, repulsive interactions suppress conductivity. Such behaviour has been demonstrated, individually, for both bosonic and fermionic atoms in optical lattices. Now, a Bose–Fermi mixture is found to be Mott insulating too, even when the individual components are not.

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Bibliographic Details
Published in:Nature physics 2011-08, Vol.7 (8), p.593-593
Main Author: Dieckmann, Kai
Format: Article
Language:English
Subjects:
Atomic
Classical and Continuum Physics
Complex Systems
Condensed Matter Physics
Mathematical and Computational Physics
Molecular
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Optical and Plasma Physics
Physics
Physics and Astronomy
Theoretical
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Description
Summary:In a Mott insulator, repulsive interactions suppress conductivity. Such behaviour has been demonstrated, individually, for both bosonic and fermionic atoms in optical lattices. Now, a Bose–Fermi mixture is found to be Mott insulating too, even when the individual components are not.
ISSN:1745-2473
1745-2481
DOI:10.1038/nphys2059