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Prog. Theor. Phys. Vol. 71 No. 6 (1984) pp. 1169-1181

[ Full Text PDF : FREE ACCESS (730K) ]

A Theory of a Non-Ideal Gas of Sine-Gordon Solitons

Kazuo Sasaki

Department of Physics, Tohoku University, Sendai 980

(Received December 1, 1983)

Abstract:

The effect of interaction between solitons on statistical mechanics of a classical sine-Gordon chain is studied. We extend the soliton-gas phenomenology of Currie, Krumhansl, Bishop and Trullinger to include the interaction between solitons. Restriction due to the interaction on the phase space available for solitons is determined and the second virial corrections are calculated. The interaction reduces the soliton density and the specific heat, but does not affect the correlation length of a soliton-sensitive correlation function. These results agree with those obtained by means of exact transfer integral method.


URL : http://ptp.ipap.jp/link?PTP/71/1169/
DOI : 10.1143/PTP.71.1169

[ Full Text PDF : FREE ACCESS (730K) ] Citation:

References:

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Citing Article(s) :

  1. Progress of Theoretical Physics Supplement No.94 (1988) pp. 73-114 :
    Statistical Mechanics of Soliton Systems
    Toshio Tsuzuki and Kazuo Sasaki

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