Stiffness of the Edwards-Anderson model in all dimensions

被引：75
作者：
Boettcher, S [1 ]
机构：
[1] Emory Univ, Dept Phys, Atlanta, GA 30322 USA
来源：
PHYSICAL REVIEW LETTERS | 2005年 / 95卷 / 19期
关键词：
D O I：
10.1103/PhysRevLett.95.197205
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A comprehensive description in all dimensions is provided for the scaling exponent y of low-energy excitations in the Ising spin glass introduced by Edwards and Anderson. A combination of extensive numerical as well as theoretical results suggest that its lower critical dimension is exactly d(l)=5/2. Such a result would be an essential feature of any complete theory of low-temperature spin glass order and imposes a constraint that may help to distinguish between theories.
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