Far-from-equilibrium criticality in the random-field Ising model with Eshelby interactions

被引:1
作者
Rossi, Saverio [1 ,2 ]
Biroli, Giulio [2 ]
Ozawa, Misaki [2 ,3 ]
Tarjus, Gilles [1 ]
机构
[1] Sorbonne Univ, CNRS, LPTMC, UMR 7600, 4 Pl Jussieu, F-75005 Paris, France
[2] Univ Paris Cite, Sorbonne Univ, Univ PSL, Lab Phys,Ecole Normale Super,ENS,CNRS, F-75005 Paris, France
[3] Univ Grenoble Alpes, LIPhy, CNRS, F-38000 Grenoble, France
关键词
HYSTERESIS; DYNAMICS;
D O I
10.1103/PhysRevB.108.L220202
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We study a quasistatically driven random-field Ising model (RFIM) at zero temperature with interactions mediated by the long-range anisotropic Eshelby kernel. Analogously to amorphous solids at their yielding transition, and differently from ferromagnetic and dipolar RFIMs, the model shows a discontinuous magnetization jump associated with the appearance of a band-like structure for weak disorder and a continuous magnetization growth, yet punctuated by avalanches, for strong disorder. Through a finite-size scaling analysis in two and three dimensions we find that the two regimes are separated by a finite-disorder critical point, which we characterize. We discuss similarities and differences between the present model and models of sheared amorphous solids.
引用
收藏
页数:6
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