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The transport of self-propelled ellipsoidal particles confined in 2D smooth corrugated channel

    https://doi.org/10.1142/S0217979225500468Cited by:0 (Source: Crossref)

    Directed transport of self-propelled ellipsoidal particles confined in a smooth corrugated channel with asymmetric potential and Gaussian colored noise is investigated. Effects of the channel, potential and colored noise on the system are discussed. Large noise intensity in the x-axis direction inhibits the transport in x and +x directions. The directed transport speed |V| has a maximum with increasing noise intensity in the y-axis direction. Proper size of the bottleneck is good for the directed transport of the ellipsoidal particles, but large or small size of bottleneck inhibits this directed transport. The transport reverse phenomenon appears with increasing load and self-propelled speed. Confined spherical particle is easier to produce directed transport than confined needlelike ellipsoid particle.

    PACS: 05.60.Cd, 05.40.−a, 82.70.Dd
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