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Prog. Theor. Phys. Vol. 66 No. 5 (1981) pp. 1561-1573

[ Full Text PDF : FREE ACCESS (506K) ]

Ising Replicated System of ±J Model

Yasuhiro Kasai, Ayao Okiji and Itiro Syozi

Department of Applied Physics, Osaka University, Suita, Osaka 565

(Received April 30, 1981)

Abstract:

The n-replicated system described by the Ising spin with the random exchange interactions ±J is separated into two sub-systems, namely, the spin-dependent part and the spin-independent part. It is pointed out that although for n<1 the entropy and specific heat contributed from the spin-dependent part are negative, those of the whole system are always positive. It is shown that from the spin-dependent part the Mattis type phase essentially described by an asymptotic Potts model appears at finite n and vanished for n →0 (the quenched limit).


URL : http://ptp.ipap.jp/link?PTP/66/1561/
DOI : 10.1143/PTP.66.1561

[ Full Text PDF : FREE ACCESS (506K) ] Citation:


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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 69 No. 1 (1983) pp. 20-31 :
    Hidden Mattis Phase in Annealed System
    Yasuhiro Kasai and Ayao Okiji
  2. Progress of Theoretical Physics Vol. 75 No. 5 (1986) pp. 1076-1086 :
    Percolation Problem of Frozen-Bonds in Quenched ±J Ising Spin System
    Yasuhiro Kasai and Ayao Okiji
  3. Progress of Theoretical Physics Vol. 88 No. 2 (1992) pp. 219-227 :
    Response of Fully-Frustrated Ising Square Lattice to a Type of Symmetry Breaking Field
    Yasuhiro Kasai and Kohzaburo Ohnaka