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arXiv 0907.2548cond-mat.stat-mechcond-mat.soft
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二维自避迹坍缩的普适性

Universality of collapsing two-dimensional self-avoiding trails

D P Foster

摘要:

给出了相互作用的自避尾迹模型的精确传递矩阵计算结果。结果表明,在坍缩转变时,自回避轨迹与Blote和Nienhuis的O(n=0)模型(或顶点相互作用的自回避行走)属于同一普适类,其热指数为$ν=12/23$,与以前的结论相反.

英文摘要:

Results of a numerically exact transfer matrix calculation for the model of Interacting Self-Avoiding Trails are presented. The results lead to the conclusion that, at the collapse transition, Self-Avoiding Trails are in the same universality class as the O(n=0) model of Blote and Nienhuis (or vertex-interacting self-avoiding walk), which has thermal exponent $ν=12/23$, contrary to previous conjectures.

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