Mean-field theory for the structure of strongly interacting active liquids
English
Tociu, Laura[James Franck Institute, University of Chicago, Chicago, Illinois 60637, USA > > > ; Department of Chemistry, University of Chicago, Chicago, Illinois 60637, USA]
Rassolov, Gregory[James Franck Institute, University of Chicago, Chicago, Illinois 60637, USA > > > ; Department of Chemistry, University of Chicago, Chicago, Illinois 60637, USA]
Fodor, Etienne[University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS) >]
Vaikuntanatha, Suriyanarayanan[James Franck Institute, University of Chicago, Chicago, Illinois 60637, USA > > > ; Department of Chemistry, University of Chicago, Chicago, Illinois 60637, USA]
[en] Active systems, which are driven out of equilibrium by local non-conservative forces, exhibit unique behaviors and structures with potential utility for the design of novel materials. An important and difficult challenge along the path toward this goal is to precisely predict how the structure of active systems is modified as their driving forces push them out of equilibrium. Here, we use tools from liquid-state theories to approach this challenge for a classic minimal active matter model. First, we construct a nonequilibrium mean-field framework that can predict the structure of systems of weakly interacting particles. Second, motivated by equilibrium solvation theories, we modify this theory to extend it with surprisingly high accuracy to systems of strongly interacting particles, distinguishing it from most existing similarly tractable approaches. Our results provide insight into spatial organization in strongly interacting out-of-equilibrium systems.
[University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS) >]
