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| Hauptseite > Publikationsdatenbank > Active Polar Ring Polymer in Shear Flow -- An Analytical Study > print |
| Hauptseite > Publikationsdatenbank > Active Polar Ring Polymer in Shear Flow -- An Analytical Study > print |
| 001 | 1034859 | ||
| 005 | 20250203103406.0 | ||
| 024 | 7 | _ | |a 10.48550/ARXIV.2407.02860 |2 doi |
| 024 | 7 | _ | |a 10.34734/FZJ-2024-07606 |2 datacite_doi |
| 037 | _ | _ | |a FZJ-2024-07606 |
| 100 | 1 | _ | |a Winkler, Roland G. |0 P:(DE-Juel1)131039 |b 0 |u fzj |
| 245 | _ | _ | |a Active Polar Ring Polymer in Shear Flow -- An Analytical Study |
| 260 | _ | _ | |c 2024 |b arXiv |
| 336 | 7 | _ | |a Preprint |b preprint |m preprint |0 PUB:(DE-HGF)25 |s 1734765261_29777 |2 PUB:(DE-HGF) |
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| 336 | 7 | _ | |a Electronic Article |0 28 |2 EndNote |
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| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a Output Types/Working Paper |2 DataCite |
| 520 | _ | _ | |a We theoretically study the conformational and dynamical properties of semiflexible active polar ring polymers under linear shear flow. A ring is described as a continuous Gaussian polymer with a tangential active force of a constant density along its contour. The linear but non-Hermitian equation of motion is solved using an eigenfunction expansion, which yields activity-independent, but shear-rate-dependent, relaxation times and activity-dependent frequencies. As a consequence, the ring's stationary-state properties are independent of activity, and its conformations as well as rheological properties are equal to those of a passive ring under shear. The presence of characteristic time scales by the relaxation and the frequency gives rise to a particular dynamical behavior. A tank-treading-like motion emerges for large relaxation times and high frequencies, specifically for stiffer rings, governed by the activity-dependent frequencies. In the case of very flexible polymers, the relaxation behavior dominates over tank-treading. Shear strongly affects the crossover from a tank-treading to a relaxation-time dominated dynamics and suppresses tank-treading. This is reflected in the tumbling frequency, which exhibits two shear-rate dependent regimes, with an activity-dependent plateau at low shear rates followed by a power-law regime with increasing tumbling frequency for large shear rates. |
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| 650 | _ | 7 | |a Soft Condensed Matter (cond-mat.soft) |2 Other |
| 650 | _ | 7 | |a Statistical Mechanics (cond-mat.stat-mech) |2 Other |
| 650 | _ | 7 | |a Biological Physics (physics.bio-ph) |2 Other |
| 650 | _ | 7 | |a FOS: Physical sciences |2 Other |
| 700 | 1 | _ | |a Singh, Sunil P. |0 P:(DE-Juel1)130972 |b 1 |
| 773 | _ | _ | |a 10.48550/ARXIV.2407.02860 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/1034859/files/2407.02860v1-1.pdf |y OpenAccess |
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| 914 | 1 | _ | |y 2024 |
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