Dynamic phase diagram of the planar Ising antiferromagnet

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Univ of Mining and Metallurgy, Cracow, Poland [1 ]
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Phys A Stat Theor Phys | / 1-2卷 / 219-229期
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Automata theory - Crystal lattices - Mathematical models - Phase diagrams;
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摘要
The cellular automata technique is used to investigate metastable magnetic structures of a square lattice of spins with an Ising antiferromagnetic interaction between nearest and next-nearest neighbours. A dynamic phase diagram is introduced, where an evolution rule is ascribed to each set of values of the Hamiltonian parameters. This diagram also includes a dynamic spin-glass state, formed by instabilities of the magnetic structure.
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