Journal
JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS
Volume 5, Issue 2, Pages S55-S64Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1464-4266/5/2/359
Keywords
cold trapped atoms; Luttinger liquid; spin-charge separation
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We discuss the properties of quasi-one-dimensional quantum gases of fermionic atoms using the Luttinger liquid theory, including the presence of an optical lattice and of a longitudinal trapping potential. We analyse in particular the nature and manifestations of spin-charge separation, where in the case of atoms 'spin' and 'charge' refers to two internal atomic states and the atomic mass density, respectively.
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