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Capturing the re-entrant behaviour of one-dimensional Bose-Hubbard model

Abstract:

The Bose Hubbard model (BHM) is an archetypal quantum lattice system exhibiting a quantum phase transition between its superfluid (SF) and Mott-insulator (MI) phase. Unlike in higher dimensions the phase diagram of the BHM in one dimension possesses regions in which increasing the hopping amplitude can result in a transition from MI to SF and then back to a MI. This type of re-entrance is well known in classical systems like liquid crystals yet its origin in quantum systems is still not well ...

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Publication status:
Published

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Publisher copy:
10.1002/pssb.201248308

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Journal:
Physica Status Solidi (b) 250, 51 (2013)
Volume:
250
Issue:
1
Pages:
51-58
Publication date:
2012-08-20
DOI:
EISSN:
1521-3951
ISSN:
0370-1972
URN:
uuid:9a052540-a067-4872-9c43-f7bf89286001
Source identifiers:
350003
Local pid:
pubs:350003
Language:
English
Keywords:

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