Journal Article

FZJ-2022-02452

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Dynamics of active polar ring polymers

Philipps, C. (Corresponding author)FZJ* ; Gompper, G.FZJ* ; Winkler, R. G. (Corresponding author)FZJ*

2022
Inst. Woodbury, NY

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Please use a persistent id in citations: http://hdl.handle.net/2128/31366  doi:10.1103/PhysRevE.105.L062501

Abstract: The conformational and dynamical properties of isolated semiflexible active polar ring polymers are investigated analytically. A ring is modeled as continuous Gaussian polymer exposed to tangential active forces. The analytical solution of the linear non-Hermitian equation of motion in terms of an eigenfunction expansion shows that ring conformations are independent of activity. In contrast, activity strongly affects the internal ring dynamics and yields characteristic time regimes, which are absent in passive rings. On intermediate time scales, flexible rings show an activity-enhanced diffusive regime, while semiflexible rings exhibit ballistic motion. Moreover, a second active time regime emerges on longer time scales, where rings display a snake-like motion, which is reminiscent to a tank-treading rotational dynamics in shear flow, dominated by the mode with the longest relaxation time.

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Contributing Institute(s):

1. Theorie der Weichen Materie und Biophysik (IAS-2)
2. Theoretische Physik der Lebenden Materie (IBI-5)
3. JARA-SOFT (JARA-SOFT)

Research Program(s):

1. 5243 - Information Processing in Distributed Systems (POF4-524) (POF4-524)

Appears in the scientific report 2022

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Electronics and Telecommunications Collection ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; Essential Science Indicators ; IF < 5 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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