Vortices as quantum objects in the lowest Landau level

MI Parke, Nicola Wilkin, John Gunn, A Bourne

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We provide a quantum description of the vortex degrees of freedom for Bose gases in the lowest Landau level. The results can be used to interpret correlated many-particle wave functions in terms of superpositions of vortex configurations. These effects may be visible in the next generation of mesoscopic trap experiments. We expose the important role of nonorthogonality in using simple vortex descriptions, and formulate a basis set which does not experience these difficulties. We show that in general any correlated ground state (even completely fragmented) can be represented as a superposition of completely condensed states. We provide simple illustrations of these methods: a vortex interpretation of the exact, many-body, eigenstates for L
Original languageEnglish
Article number053602
JournalPhysical Review A
Volume76
Issue number5
Early online date1 Sep 2008
DOIs
Publication statusPublished - 1 Sep 2008

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