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arXiv 0709.0583cond-mat.stat-mech
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螺旋模型、阻塞渗流和玻璃-阻塞转换

Spiral model, jamming percolation and glass-jamming transitions

Giulio Biroli, Cristina Toninelli

摘要:

螺旋模型(SM)对应于与DS联合工作中引入的一类新的动力学约束模型Fisher [8,9].他们提供了第一个例子,有限维模型与理想的玻璃堵塞过渡。这是由于一个潜在的干扰渗流过渡,它具有非常规的特点:它是不连续的(即在过渡的集群是紧凑的)和集群的典型大小发散速度比任何幂律,导致Vogel-Fulcher-like发散的弛豫时间。在这里,我们提出了一个详细的物理分析SM,见[5]的严格证明。我们还表明,我们对SM的论点不需要任何修改,与Jeng和Schwarz [10]最近的主张相反。

英文摘要:

The Spiral Model (SM) corresponds to a new class of kinetically constrained models introduced in joint works with D.S. Fisher [8,9]. They provide the first example of finite dimensional models with an ideal glass-jamming transition. This is due to an underlying jamming percolation transition which has unconventional features: it is discontinuous (i.e. the percolating cluster is compact at the transition) and the typical size of the clusters diverges faster than any power law, leading to a Vogel-Fulcher-like divergence of the relaxation time. Here we present a detailed physical analysis of SM, see [5] for rigorous proofs. We also show that our arguments for SM does not need any modification contrary to recent claims of Jeng and Schwarz [10].

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