Monte Carlo study of mixed-spin S = (1/2, 1) Ising ferrimagnets.

Clicks: 215
ID: 2843
2010
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Abstract
We investigate Ising ferrimagnets on square and simple cubic lattices with exchange couplings between spins of values S = 1/2 and 1 on neighbouring sites and an additional single-site anisotropy term on the S = 1 sites. Mainly on the basis of a careful and comprehensive Monte Carlo study, we conclude that there is no tricritical point in the two-dimensional case, in contradiction to mean-field predictions and recent series results. However, evidence for a tricritical point is found in the three-dimensional case. In addition, a line of compensation points is found for the simple cubic, but not for the square lattice.
Reference Key
selke2010montejournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Selke, W;Oitmaa, J;
Journal journal of physics condensed matter : an institute of physics journal
Year 2010
DOI
10.1088/0953-8984/22/7/076004
URL
Keywords Keywords not found

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