Effective Temperature in Active Brownian Particles

LF Cugliandolo and G Gonnella and I Petrelli, FLUCTUATION AND NOISE LETTERS, 18, 1940008 (2019).

DOI: 10.1142/S021947751940008X

In this paper, we perform a numerical analysis of the effective temperature extracted from the deviations from the fluctuation dissipation theorem in a system of active Brownian spherical particles with excluded volume interactions. We show that, in the low density homogeneous phase at fixed Peclet number, the effective temperature decreases when the density of the system is increased. We compare this trend to the one found in the literature with simulations of other active models.

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