- 98-747 Francesca R. Nardi, Enzo Olivieri, Milos Zahradnik
- On the Ising model with strongly anisotropic external field
(278K, Plaintex)
Dec 9, 98
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Abstract. In this paper we analyze the equilibrium phase diagram of two-dimensional
ferromagnetic n.n. Ising model when the external field takes alternating signs on
different rows. We show that some of zero temperature coexistence lines disappear at
every positive temperature whereas one (and only one) of them persists for
sufficiently low temperature.
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