二维随机定向聚合物的复制方法研究

Journal De Physique Pub Date : 1990-08-01 DOI:10.1051/JPHYS:0199000510150159500

G. Parisi

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引用次数: 45

摘要

本文用复刻法研究了二维随机介质中具有短程噪声的定向聚合物。我们找到了复制对称理论的预测，并将它们与精确结果进行了比较。我们考虑了自发对称性破缺的可能性，并提出在这个二维模型中复制对称性也弱破缺

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On the replica approach to random directed polymers in two dimensions

In this note we study directed polymers in a two dimensional random medium with short range noise using the replica approach. We find the predictions of the replica symmetric theory and we compare them with exact results. We consider the possibility of spontaneous symmetry breaking and we suggest that replica symmetry is weakly broken also in this two dimensional model

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Journal De Physique

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