Thermodynamical properties of the spin-o
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I.P. Fittipaldi; E.F. Sarmento; T. Kaneyoshi
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Article
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1992
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Elsevier Science
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English
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A new type of effective-field theory that has recently been used with success for many applications concerning the two-state transverse Ising model (spin-ยฝ TIM), is herein extended to the spin-1 TIM. The method, which can explicitly and systematically include correlation effects, is illustrated by e