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Title
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Fragmentation and the Bose-glass phase transition of the disordered one-dimensional Bose gas
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Author
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Abstract
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| We investigate the superfluid-insulator quantum phase transition in a disordered one-dimensional Bose gas in the mean-field limit by studying the probability distribution of the density. The superfluid phase is characterized by a vanishing probability to have zero density, whereas a nonzero probability marks the insulator phase. This relation is derived analytically and confirmed by a numerical study. This fragmentation criterion is particularly suited for detecting the phase transition in experiments. When a harmonic trap is included, the transition to the insulating phase can be extracted from the statistics of the local density distribution. |
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Language
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English
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Source (journal)
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Physical review : A : atomic, molecular and optical physics. - Lancaster, Pa, 1990 - 2015
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Publication
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Lancaster, Pa
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2011
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ISSN
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1094-1622
[online]
1050-2947
[print]
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DOI
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10.1103/PHYSREVA.83.033626
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Volume/pages
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83
:3
(2011)
, 5 p.
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Article Reference
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033626
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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