Correlation equalities and upper bounds for the transverse Ising model

Correlation equalities and upper bounds for the transverse Ising model

Starting from an exact formal identity for the two-state transverse Ising model and using correlation inequalities, approximate upper bounds for the critical temperature and the critical transverse field are obtained, which improve the effective results.

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Veröffentlicht in:Journal of statistical mechanics 2012-05, Vol.2012 (5), p.1-8
Hauptverfasser: Sa Barreto, F C, Mota, A L
Format: Artikel
Sprache:eng
Schlagworte:
Approximation
Correlation
Critical temperature
Inequalities
Ising model
Statistical mechanics
Upper bounds
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Beschreibung
Zusammenfassung:Starting from an exact formal identity for the two-state transverse Ising model and using correlation inequalities, approximate upper bounds for the critical temperature and the critical transverse field are obtained, which improve the effective results.
ISSN:1742-5468
1742-5468
DOI:10.1088/1742-5468/2012/05/P05006