Critical Behavior in Tricritical Phase Transition. I : Critical Exponents (η,γ,φ,ν,α)
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概要
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Tricritical behavior, in particular, critical exponents (η,γ,φ,ν,α), of classical N-component spin systems with a short-range or long-range interaction are studied in the dimension d (<3/2; σ: potential range parameter, 1<σ≤2) by means of the renormalization theory. The obtained expressions for all these critical exponents in the long-range interaction system and for the crossover exponent φ in the short-range one are new. The corrections of these tricritical exponents to the classical ones are shown to be smaller than those in the corresponding systems undergoing the second-order phase transition.
- 理論物理学刊行会の論文
- 1977-08-25
著者
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SUZUKI Masao
Department of Nutritional Science, Tokyo University of Agriculture
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Yamazaki Yoshitake
Department Of Applied Physics Faculty Of Engineering Tohoku University
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