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Digitale Medien

Metastability in the Potts model on the Cayley tree (1991)

Aguiar, F. S. ; Bernardes, L. B. ; Rosa, S. Goulart

Springer

Journal of statistical physics 64 (1991), S. 673-682

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Details

ISSN: 1572-9613

Schlagwort(e): Bethe-Peierls and Bragg-Williams maps ; boundary condition ; metastability ; residual entropy

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Metastability in the ferromagneticp-state Potts model defined on the Cayley tree is discussed. It is shown that the sign of the boundary fieldH s determines the order of the transition as well as the stability of the low-temperature phase. Lowering the temperature withH s 〉0, a system withp〈2 (p〉2) will display a second (first)-order transition to a metastable (stable) phase. ForH s 〉0 a second (first)-order transition to a metastable (stable) phase occurs ifp〉2 (p〈2). In this case the system also has a residual entropy which is negative forp〈2.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01048311

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