Nonequilibrium depletion interactions in active microrheology.
Nonequilibrium depletion interactions in active microrheology.
复制标题
活跃微流变学中的非平衡耗尽相互作用
作者:
R. Wulfert;U. Seifert;T. Speck
Entropic depletion forces arise between mesoscopic bodies that are immersed in a suspension of macromolecules, such as colloid–polymer mixtures. Here we consider the case of a driven colloidal probe in the presence of another, passive colloidal particle, both solvated in an ideal bath of small spherical particles. We calculate the nonequilibrium forces mediated by the depletants on the two colloidal particles within a dynamical superposition approximation (DSA) scheme. In order to assess the quality of this approximation, and to obtain the colloidal microstructure around the driven probe, we corroborate our theoretical results with Brownian dynamics simulations.
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影响因子:
4.4
作者:
M. Krüger;M. Rauscher
通讯作者:
M. Rauscher
影响因子:
3.4
作者:
Neu, B;Meiselman, HJ
通讯作者:
Meiselman, HJ
DOI:
10.1103/physreve.94.062610
发表时间:
2016-02
期刊:
Physical review. E
影响因子:
--
作者:
R. Wulfert;U. Seifert;T. Speck
通讯作者:
R. Wulfert;U. Seifert;T. Speck
DOI:
--
发表时间:
2015
期刊:
Physical review. E, Statistical, nonlinear, and soft matter physics
影响因子:
--
作者:
Indira Sriram;E. Furst
通讯作者:
E. Furst
DOI:
10.1140/epje/i2012-12060-7
发表时间:
2012
期刊:
The European Physical Journal E
影响因子:
--
作者:
C. July;D. Kleshchanok;Peter R. Lang
通讯作者:
Peter R. Lang