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Condensed Matter > Soft Condensed Matter
Title: Bulk condensation by an active interface
(Submitted on 27 Mar 2024 (v1), last revised 3 Apr 2024 (this version, v3))
Abstract: 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.
Submission history
From: Raushan Kant [view email][v1] Wed, 27 Mar 2024 08:09:12 GMT (6875kb,D)
[v2] Tue, 2 Apr 2024 12:44:17 GMT (6884kb)
[v3] Wed, 3 Apr 2024 07:51:52 GMT (6402kb)
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