THE LANGEVIN DYNAMICS OF VIBRATED POWDERS

被引：46
|
作者：
MEHTA, A
NEEDS, RJ
DATTAGUPTA, S
机构：
[1] UNIV CAMBRIDGE,CAVENDISH LAB,THEORY CONDENSED MATTER GRP,CAMBRIDGE CB3 0HE,ENGLAND
[2] JAWAHARLAL NEHRU UNIV,SCH PHYS SCI,NEW DELHI 110067,INDIA
来源：
JOURNAL OF STATISTICAL PHYSICS | 1992年 / 68卷 / 5-6期
关键词：
LANGEVIN EQUATIONS; POWDERS; SANDPILES; COOPERATIVE DYNAMICS; RELAXATIONAL PHENOMENA;
D O I：
10.1007/BF01048889
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present a microscopic theory of the relaxational behaviour of a granular pile submitted to vibration, elucidating the different roles of collective and independent-particle relaxation. We write down and solve Langevin equations for these processes, which have an explicit coupling. The analysis of the solution in terms of independent-particle and collective relaxations provides a consistent framework for the interpretation of experimental results.
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页码：1131 / 1141
页数：11
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