Interacting Brownian dynamics in a nonequilibrium particle bath.

We set up a mesoscopic theory for interacting Brownian particles embedded in a nonequilibrium environment, starting from the microscopic interacting many-body theory. Using nonequilibrium linear-response theory, we characterize the effective dynamical interactions on the mesoscopic scale and the statistics of the nonequilibrium environmental noise, arising upon integrating out the fast degrees of freedom. As hallmarks of nonequilibrium, the breakdown of the fluctuation-dissipation and action-reaction relations for Brownian degrees of freedom is exemplified with two prototypical models for the environment, namely active Brownian particles and stirred colloids.

• Publication year

  2016

• Venue

  Physical Review E

• Publication date

  2016-10-20

• Fields of study

  Medicine, Physics

• Identifiers
  DOI 10.1103/PhysRevE.94.062139arXiv 1610.06477PMID 28085452
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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