Global mean-field phase diagram of the spin-1 Ising ferromagnet in a random crystal field

M.E.S. Borelli and C.E.I. Carneiro

Physica A: Statistical Mechanics and its Applications, 1996, vol. 230, issue 1, 249-256

Abstract: We study the phase diagram of the mean-field spin-1 Ising ferromagnet in a uniform magnetic field H and a random crystal field Δi, with probability distribution P(Δi) = pδ(Δi −Δ) + (1 − p)δ(Δi). We analyse the effects of randomness on the first-order surfaces of the Δ−T−H phase diagram for different values of the concentration p and show how these surfaces are affected by the dilution of the crystal field.

Keywords: Ising model; Spin-1; Random crystal field (search for similar items in EconPapers)
Date: 1996
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:230:y:1996:i:1:p:249-256

DOI: 10.1016/0378-4371(96)00064-7

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