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- W4379256155 abstract "We study a one-dimensional mixture of active (run-and-tumble) particles and passive (Brownian) particles, with single-file constraint, in a sawtooth potential. The active particles experience a ratchet effect: this generates a current, which can push passive particles against an applied load. The resulting system operates as an active engine. Using numerical simulations, we analyse the efficiency of this engine, and we discuss how it can be optimised. Efficient operation occurs when the active particles self-organise into teams, which can push the passive ones against large loads by leveraging collective behaviour. We discuss how the particle arrangement, conserved under the single-file constraint, affects the engine efficiency. We also show that relaxing this constraint still allows the engine to operate effectively." @default.
- W4379256155 created "2023-06-04" @default.
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- W4379256155 date "2023-06-01" @default.
- W4379256155 modified "2023-09-23" @default.
- W4379256155 title "Active-passive mixtures with bulk loading: a minimal active engine in one dimension" @default.
- W4379256155 doi "https://doi.org/10.1088/1742-5468/acecfa" @default.
- W4379256155 hasPublicationYear "2023" @default.
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