Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2000-10-12
Phys. Rev. E, 62 (2000) R1469-R1472
Physics
Condensed Matter
Statistical Mechanics
4 pages, 4 postscripts figures
Scientific paper
10.1103/PhysRevE.62.R1469
Random quenched dilution of the triangular-lattice antiferromagnetic Ising model locally relieves frustration, leading to ordering phenomena. We have studied this system, under such dilution of one sublattice, using hard-spin mean-field theory. After a threshold dilution, two sublattices develop non-zero magnetizations of equal magnitude and opposite signs, as all three sublattices exhibit spin-glass order. In this phase, multiple sets of ordered solutions occur. A phase diagram is obtained in dilution fraction and temperature.
Berker Nihat A.
Kaya Huseyin
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