Ground states of a frustrated Ising model with one-, two- and three-body interactions

M.D. Lipkin

Physica A: Statistical Mechanics and its Applications, 1988, vol. 150, issue 1, 18-39

Abstract: The “method of plaquettes” is used to examine the T = 0 solutions of an Ising model, first proposed by Widom, which includes one-, two- and three-body interactions. As in a previous paper, phases are classified as 1-, 2-, …, or n-magnetization states. The presence of odd interaction terms in the Hamiltonian ensures that the general ground state solutions be 2-magnetization phases in the physically relevant region for which nearest-neighbor couplings are ferromagnetic. The ground state phase diagram is illustrated as well as the various phase structures.

Date: 1988
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:150:y:1988:i:1:p:18-39

DOI: 10.1016/0378-4371(88)90048-9

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