Nonequilibrium mode-coupling theory for uniformly sheared underdamped systems

被引：2
|
作者：
Suzuki, Koshiro [1 ]
Hayakawa, Hisao [2 ]
机构：
[1] Canon Inc, Ohta Ku, 30-2 Shimomaruko 3 Chome, Tokyo 1468501, Japan
[2] Kyoto Univ, Yukawa Inst Theoret Phys, Kyoto 6068502, Japan
来源：
4TH INTERNATIONAL SYMPOSIUM ON SLOW DYNAMICS IN COMPLEX SYSTEMS: KEEP GOING TOHOKU | 2013年 / 1518卷
关键词：
glass; mode-coupling theory; underdamped systems; response; GLASS-TRANSITION; RELAXATION; FLOW;
D O I：
10.1063/1.4794674
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Mode-coupling theory for uniformly sheared underdamped systems with an isothermal condition is presented. As a result of the isothermal condition, it is shown that the shear stress exhibits significant relaxation at the alpha-relaxation regime due to the cooling effect which is accompanied by the growth of the current fluctuation. This indicates that nonequilibrium underdamped MCT is not equivalent to the corresponding overdamped MCT, even at long time-scales after the early stage of the beta-relaxation. It is verified that the effect of correlations to the density-current modes is, however, negligible in sheared thermostated underdamped systems.
引用
收藏
页码：750 / 757
页数：8
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