Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session Z35: Nonequilibrium Self-Assembly and Self-Organization II
11:30 AM–2:06 PM,
Friday, March 8, 2024
Room: 103A
Sponsoring
Units:
DSOFT GSNP DBIO
Chair: William Jacobs, Princeton University
Abstract: Z35.00002 : Nonequilibrium interfacial properties of chemically driven fluids*
11:42 AM–11:54 AM
Presenter:
Yongick Cho
(Princeton University)
Authors:
Yongick Cho
(Princeton University)
William M Jacobs
(Princeton University)
When this coupling differs between the interior and exterior of the droplets, distinct nonequilibrium interfacial properties can arise.
Here, we employ a minimal model of chemically driven fluids in order to study changes in the interfacial tension away from equilibrium.
Droplet nucleation kinetics and the roughness of macroscopic interfaces between coexisting phases indicate that the nonequilibrium interfacial tension can deviate from the equilibrium value, depending on whether the driven chemical reaction rate is increased or decreased inside the droplets.
We understand these results using a predictive theory based on an effective thermodynamic equilibrium for each phase and the interface.
*This work is supported by the National Science Foundation (DMR-2143670).
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