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Cited by 353

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Strong-coupling expansions for the pure and disordered Bose-Hubbard model

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Freericks, J. K., Monien, H.·1996·Physical Review B

Abstract

A strong-coupling expansion for the phase boundary of the (incompressible) Mott insulator is presented for the Bose-Hubbard model. Both the pure case and the disordered case are examined. Extrapolations of the series expansions provide results that are as accurate as the Monte Carlo simulations and agree with the exact solutions. The shape difference between Kosterlitz-Thouless critical behavior in one-dimension and power-law singularities in higher dimensions arises naturally in this strong-coupling expansion. Bounded disorder distributions produce a ``first-order'' kink to the Mott phase boundary in the thermodynamic limit because of the presence of Lifshitz's rare regions. \textcopyright{} 1996 The American Physical Society.

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Crossref · 10.1103/physrevb.53.2691

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Metadata

Authors
Freericks, J. K., & Monien, H.
Venue
Physical Review B
Published
1996-02-01
Volume
53
Issue
5
Pages
2691-2700
ISSN
  • 0163-1829 (ISSN-L)
  • 1095-3795
OpenAlex
W1974833278
Cited by
353
References
1
FWCI
5.76
Type
journal article
Language
en
Open access
green

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