Comparison of Static Length Scales Characterizing the Glass Transition

被引:56
作者
Biroli, Giulio [1 ]
Karmakar, Smarajit [2 ]
Procaccia, Itamar [3 ]
机构
[1] CEA Saclay, CEA, DSM CNRS, IPhT,URA 2306, F-91191 Gif Sur Yvette, France
[2] Tata Inst Fundamental Res, TIFR Ctr Interdisciplinary Sci, Hyderabad 500075, Andhra Pradesh, India
[3] Weizmann Inst Sci, Dept Chem Phys, IL-76100 Rehovot, Israel
基金
以色列科学基金会;
关键词
NONLINEAR SUSCEPTIBILITY; GROWING LENGTH; LIQUIDS;
D O I
10.1103/PhysRevLett.111.165701
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The dramatic dynamic slowing down associated with the glass transition is considered by many to be related to the existence of a static length scale that grows when temperature decreases. Defining, identifying, and measuring such a length is a subtle problem. Recently, two proposals, based on very different insights regarding the relevant physics, were put forward. One approach is based on the point-to-set correlation technique and the other on the scale where the lowest eigenvalue of the Hessian matrix becomes sensitive to disorder. Here we present numerical evidence that the two approaches might result in the same identical length scale. This provides mutual support for their relevance and, at the same time, raises interesting theoretical questions, discussed in the conclusion.
引用
收藏
页数:5
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