Phase diagram of hard-core bosons with both diagonal and Mattis-type off-diagonal disorder

We reanalyze the phase diagram of a hard‐core boson system with diagonal and Mattis‐type off‐diagonal disorder in a general setting. We report differences with respect to previously presented results. In an extended model, we have found an additional continuous transition not present in the previous...

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Veröffentlicht in:	Physica Status Solidi (b) 2006-01, Vol.243 (1), p.326-330
Hauptverfasser:	Grzybowski, P., Chhajlany, R. W.
Format:	Artikel
Sprache:	eng
Schlagworte:	67.90.+z 71.23.Cq 71.30.+h Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology General theory and models of magnetic ordering Magnetic properties and materials Physics
Online-Zugang:	Volltext
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Zusammenfassung:	We reanalyze the phase diagram of a hard‐core boson system with diagonal and Mattis‐type off‐diagonal disorder in a general setting. We report differences with respect to previously presented results. In an extended model, we have found an additional continuous transition not present in the previously studied case. We also comment on the influence of the interplay between the diagonal and off‐diagonal disorder on the existence of the localization transition. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
ISSN:	0370-1972 1521-3951
DOI:	10.1002/pssb.200562507