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Statistical field theory and effective action method for scalar active matter
2020
Physical Review Research
We employ statistical field theory techniques for coarse graining the steady-state properties of active Ornstein-Uhlenbeck particles. The computation is carried out in the framework of the unified colored noise approximation that allows an effective equilibrium picture. We thus develop a mean-field theory that allows us to describe in a unified framework the phenomenology of scalar active matter. In particular, we are able to describe through a spontaneous symmetry-breaking mechanism two
doi:10.1103/physrevresearch.2.023207
fatcat:ycn653hzubhfxmroejfdphxwia