期刊
JOURNAL OF CHEMICAL PHYSICS
卷 135, 期 5, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3624753
关键词
ageing; Brownian motion; diffusion; many-body problems; master equation; numerical analysis
资金
- NSF [PHY-0822283]
A systematic expansion of the many-body master equation for active matter, in which motors power configurational changes as in the cytoskeleton, is shown to yield a description of the steady state and responses in terms of an effective temperature. The effective temperature depends on the susceptibility of the motors and a Peclet number which measures their strength relative to thermal Brownian diffusion. The analytic prediction is shown to agree with previous numerical simulations and experiments. The mapping also establishes a description of aging in active matter that is also kinetically jammed. (C) 2011 American Institute of Physics. [doi:10.1063/1.3624753]
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