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Prog. Theor. Phys. Vol. 55 No. 1 (1976) pp. 21-32

[ Full Text PDF : FREE ACCESS (922K) ]

Time Correlation Function in the One-Dimensional Heisenberg System at High Temperatures

Naruichi Nagao and Hiroshi Miyagi

Department of Material Physics, Faculty of Engineering Science, Osaka University, Toyonaka 560

(Received May 19, 1975)

Abstract:

Moments in the two-time spin-pair correlation function are evaluated up to 16-th order for the one-dimensional Heisenberg system with S = 1/2 at infinite temperature. The method of evaluations with a useful recurrence formula is reported. The current methods of treating the correlation function together with a newly proposed one are examined for both the spatially-Fourier-transformed correlation function and the auto-correlation function.


URL : http://ptp.ipap.jp/link?PTP/55/21/
DOI : 10.1143/PTP.55.21

[ Full Text PDF : FREE ACCESS (922K) ] Citation:

References:

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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 56 No. 4 (1976) pp. 1021-1041 :
    New Self-Consistent Approach to Spin Dynamics at High Temperatures
    Naruichi Nagao and Tuto Nakamura
  2. Progress of Theoretical Physics Vol. 64 No. 4 (1980) pp. 1161-1175 :
    Dynamical Properties of the Diluted Heisenberg and XY Magnets at Infinite Temperature. I
    Tsuyoshi Horiguchi and Tohru Morita

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