In this paper we analyze the equilibrium phase diagram of the two-dimensional ferromagnetic n.n. Ising model when the external field takes alternating signs on different rows. We show that some of the zero-temperature coexistence lines disappear at every positive sufficiently small temperature, whereas one (and only one) of them persists for sufficiently low temperature.
On the Ising model with strongly anisotropic external field / Nardi, F.R; Olivieri, E.; Zahradník, M.. - In: JOURNAL OF STATISTICAL PHYSICS. - ISSN 0022-4715. - STAMPA. - 97:(1999), pp. 87-144. [10.1023/a:1004662917583]
On the Ising model with strongly anisotropic external field
NARDI, FRANCESCA ROMANA;
1999
Abstract
In this paper we analyze the equilibrium phase diagram of the two-dimensional ferromagnetic n.n. Ising model when the external field takes alternating signs on different rows. We show that some of the zero-temperature coexistence lines disappear at every positive sufficiently small temperature, whereas one (and only one) of them persists for sufficiently low temperature.File in questo prodotto:
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