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Transport of the obstacle arrays driven by chiral active particles with temperature difference

We perform a numerical investigation of the transport of the obstacle arrays driven by chiral active particles in a two-dimensional periodic channel with temperature difference. The obstacle arrays will move to left (right) only when the average velocity of counterclockwise (clockwise) particles is small. For chiral active particles, the direction of transport is completely determined by the chirality of particles. The average velocity of chiral active particles is a peaked function of angular velocity and initial temperature (or temperature difference). The average velocity of chiral active particles increases linearly with the self-propulsion speed, while it decreases monotonically with the increase of particle number. For obstacle arrays, behaviors of transport become complex, current reversals can be obtained by continuously changing the system parameters (angular velocity, initial temperature, temperature difference, self-propulsion speed and particle number).