SOFTENING OF PHASE TRANSITION BY RANDOM DISTRIBUTION OF BIMODAL-BONDS IN THE 2D 8-STATE POTTS MODEL

Fatih Yaşar, Yiğit Gündüç and Tarik Çelik ()
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Fatih Yaşar: Hacettepe University, Physics Department, Beytepe 06532, Ankara
Yiğit Gündüç: Hacettepe University, Physics Department, Beytepe 06532, Ankara
Tarik Çelik: Hacettepe University, Physics Department, Beytepe 06532, Ankara

International Journal of Modern Physics C (IJMPC), 1999, vol. 10, issue 05, 961-966

Abstract: We investigated the influence of the distribution of bimodal bonds on phase transition in 8-state Potts model in two dimensions. We show that there is a finite size dependent threshold value of the introduced quenched randomness in the bond distribution for rounding the first-order phase transition.

Keywords: Aperiodicity; Disordered spin systems; Potts model (search for similar items in EconPapers)
Date: 1999
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DOI: 10.1142/S0129183199000759

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