Non-universal critical behaviour of the
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Kazuhiko Minami; Masuo Suzuki
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Article
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1993
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Elsevier Science
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English
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The two-dimensional square lattice lsing model with the nearest-neighbour ferromagnetic interaction J and the next-nearest-neighbour antiferromagnetic interaction J' is investigated in the interaction range IJ/J'l ~<0.8. This model is shown to violate the ordinary universality hypothesis. Estimation