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| 001 | 911355 | ||
| 005 | 20221116131015.0 | ||
| 037 | _ | _ | |a FZJ-2022-04647 |
| 041 | _ | _ | |a English |
| 100 | 1 | _ | |a Dhont, Jan K. G. |0 P:(DE-Juel1)130616 |b 0 |e Corresponding author |
| 111 | 2 | _ | |a 70th Anniversary and 2022 Fall Meeting |c BEXCO Convention Hall, Busan, South Korea, Online |d 2022-10-18 - 2022-10-21 |w South Korea |
| 245 | _ | _ | |a Motility-Induced Inter-Particle Correlations and Dynamics:a Microscopic Approach for Active Brownian Particles |
| 260 | _ | _ | |c 2022 |
| 336 | 7 | _ | |a Conference Paper |0 33 |2 EndNote |
| 336 | 7 | _ | |a Other |2 DataCite |
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| 520 | _ | _ | |a Amongst the various theoretical approaches towards dynamics and phase behaviour of suspensions of active Brownian particles (ABPs), no attempt has been made to specify motility-induced inter-particle correlations. In this presentation, the derivation of explicit expressions for the pair-correlation function for ABPs for small and large swimming velocities and low concentrations is discussed. The pair-correlation function is the solution of a differential equation that is obtained from the Fokker-Planck equation for the probability density function of the positions and orientations of the ABPs, commonly referred to as the Smoluchowski equation. For large swimming Peclet numbers , the pair-correlation function is highly asymmetric. The pair-correlation function attains a large value within a small region of spatial extent 1/ near contact of the ABPs when the ABPs approach each other. The pair-correlation function is small within a large region of spatial extent 1/3 when the ABPs move apart, with a contact value that is close to zero. From the explicit expressions for the pair-correlation function, Fick's diffusion equation is generalized to include motility. It is shown that mass transport, in case of large swimming velocities, is dominated by a preferred swimming direction that is induced by concentration gradients. |
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| 700 | 1 | _ | |a Briels, Willem |0 P:(DE-Juel1)159317 |b 1 |
| 700 | 1 | _ | |a Park, Gunwoo |0 P:(DE-Juel1)173831 |b 2 |
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