Mass-based separation of active Brownian particles in an asymmetric channel
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arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2023
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| _version_ | 1866929333160902656 |
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| author | Khatri, Narender |
| author_facet | Khatri, Narender |
| contents | Inertial effects should be considered for micro- and nano-swimmers moving in a low-density medium confined by irregular structures that create entropic barriers, where viscous effects are no longer paramount. Here, we present a separation mechanism of self-propelled particles in a two-dimensional asymmetric channel, which leads to the drift of particles of different masses in opposite directions. In particular, this mechanism is based on the combined action of the spatial asymmetry of the channel structure, the temporal asymmetry inherent in particles dynamics, and an external static force. This work is relevant for potential applications that can be found in the development of lab-on-a-chip devices and artificial channels for separating particles of different masses. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2310_16204 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Mass-based separation of active Brownian particles in an asymmetric channel Khatri, Narender Soft Condensed Matter Statistical Mechanics Computational Physics Inertial effects should be considered for micro- and nano-swimmers moving in a low-density medium confined by irregular structures that create entropic barriers, where viscous effects are no longer paramount. Here, we present a separation mechanism of self-propelled particles in a two-dimensional asymmetric channel, which leads to the drift of particles of different masses in opposite directions. In particular, this mechanism is based on the combined action of the spatial asymmetry of the channel structure, the temporal asymmetry inherent in particles dynamics, and an external static force. This work is relevant for potential applications that can be found in the development of lab-on-a-chip devices and artificial channels for separating particles of different masses. |
| title | Mass-based separation of active Brownian particles in an asymmetric channel |
| topic | Soft Condensed Matter Statistical Mechanics Computational Physics |
| url | https://arxiv.org/abs/2310.16204 |