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- W3093552364 abstract "We propose a model for demixing of two species by assuming a density-dependent effective diffusion coefficient of the particles. Both sorts of microswimmers diffuse as active overdamped Brownian particles with a noise intensity that is determined by the surrounding density of the respective other species within a sensing radius $r_s$. A higher concentration of the first (second) sort will enlarge the diffusion and, in consequence, the intensity of the noise experienced by the second (first) sort. Numerical and analytical investigations of steady states of the macroscopic equations prove the demixing of particles due to this reciprocally concentration-dependent diffusivity. An ambiguity of the numerical integration scheme for the purely local model ($r_sto 0$) is resolved by considering nonvanishing sensing radii in a nonlocal model with $r_s > 0$." @default.
- W3093552364 created "2020-10-29" @default.
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- W3093552364 date "2021-02-09" @default.
- W3093552364 modified "2023-10-18" @default.
- W3093552364 title "Demixing of two species via reciprocally concentration-dependent diffusivity" @default.
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- W3093552364 doi "https://doi.org/10.1103/physreve.103.022113" @default.
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- W3093552364 hasPublicationYear "2021" @default.
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