Bulk condensation by an active interface
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866909560890982400 |
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| author | Kant, Raushan Gupta, Rahul Kumar Soni, Harsh Sood, A K Ramaswamy, Sriram |
| author_facet | Kant, Raushan Gupta, Rahul Kumar Soni, Harsh Sood, A K Ramaswamy, Sriram |
| contents | We present experiments, supported by mechanically detailed simulations, establishing bulk vapor-liquid condensation of a hard-bead fluid by a tiny population of orientable motile grains that self-assembles into a moving polarized monolayer. In a quasi-1D geometry two such layers, oppositely aligned, immobilize the condensed non-motile component. We account for our observations through a continuum theory with a naturally non-reciprocal Cahn-Hilliard structure, whose predicted trends as a function of packing fraction are consistent with our observations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_18329 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Bulk condensation by an active interface Kant, Raushan Gupta, Rahul Kumar Soni, Harsh Sood, A K Ramaswamy, Sriram Soft Condensed Matter We present experiments, supported by mechanically detailed simulations, establishing bulk vapor-liquid condensation of a hard-bead fluid by a tiny population of orientable motile grains that self-assembles into a moving polarized monolayer. In a quasi-1D geometry two such layers, oppositely aligned, immobilize the condensed non-motile component. We account for our observations through a continuum theory with a naturally non-reciprocal Cahn-Hilliard structure, whose predicted trends as a function of packing fraction are consistent with our observations. |
| title | Bulk condensation by an active interface |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/2403.18329 |