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Memory of elastic collisions drives high minority spin and oscillatory entropy in underdamped chiral spinners

Year: 2024
Type: article
Abstract: Broken symmetry is an emergent phenomena. We show here the unexpected broken symmetry emergence of high spin state minority spinners in an active swarm of mixed spin handedness internally driven spinners. This occurs because depending on the relative spin sign, internally driven spinners can act as their own anti-particles and annihilate their spins, transferring their spin angular momentum into orbital angular momentum, an inertial version of odd (Hall) viscosity. Since our spin drive comes from active blowers on each spinner future work will allow for the incorporation of individual computation and decision making in the dynamics of the spinners.
DOI: 10.1038/s42005-024-01619-4
Authors: Shengkai Li, Trung V. Phan, Gao Wang, Ramzi Khuri, Jared W. Wilson, Robert H. Austin, Liyu Liu
Institutions: Princeton University, Yale University, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Wenzhou Institute, University of Chinese Academy of Sciences, Baruch College, City University of New York, Chongqing University
Language: English
Open Access status: gold
Estimated APC paid: $3,790
OpenAlex ID: W4395688878
FWCI: 0.583
Cites: 46
Cited by: 4
Related to: 10