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Spiral trajectories of asymmetric molecules

Sheng, N., Sheng, S., Tu, Y., Wan, R., Wang, Z., Tu, Z. and Fang, H. (2025) Spiral trajectories of asymmetric molecules. Chinese Physics B. ISSN 2058-3834 (In Press)

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To link to this item DOI: 10.1088/1674-1056/adcea0

Abstract/Summary

Spiral patterns widely exist in both macroscopic and microscopic systems such as heart, bacteria, and active matters but have never been reported at molecular length scale. The emergence of spiral patterns has considerable impacts on the trajectories of the objects and thus usually relates to various physical, chemical, biological and physiological processes. In this Letter, we show that, down to the length scale of only several angstroms, asymmetric molecules exhibit spiral patterns in their trajectories within finite time based on under-damped Langevin equation and demonstrated by molecular dynamics simulation. The key to this observation lies in the asymmetric molecular architecture that leads to a translation-rotation coupling. The finding enriches the knowledge of spiral patterns to the molecular length scale, provides a new insight for the understanding of various processes at the molecular level, and may evokes new idea on the understanding of the vortices in turbulence.

Item Type:Article
Refereed:Yes
Divisions:Science > School of Mathematical, Physical and Computational Sciences > Department of Mathematics and Statistics
ID Code:122634
Publisher:IOP Publishing

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