Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session G18: Fluids V
11:30 AM–2:06 PM,
Tuesday, March 7, 2023
Room: Room 210
Sponsoring
Unit:
DFD
Chair: Balu Nadiga, LANL
Abstract: G18.00001 : Spontaneous Transport across Locally Nonchaotic Molecular-Sized Outward-Swinging Gates
11:30 AM–11:42 AM
Presenter:
Zhaoru Shang
(UCSD)
Authors:
Yu Qiao
(University of California, San Diego)
Zhaoru Shang
(UCSD)
Rui Kou
(UCSD)
We show that although the phenomenon seems counterintuitive, it strictly follows the basic principle of maximum entropy. What makes the system unique is that the gates interrupt the probability distribution of local microstates, and impose additional constraints on the global microstates, so that entropy is maximized to a nonequilibrium maximum.
This finding will have profound impacts on many aspects of statistical mechanics. It may enable high-efficiency heat and mass transfer, novel metamaterials, high-efficiency energy harvesting, etc.
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