Exactly solvable dynamics of forced polymer loops
- Max Planck Inst. for the Physics of Complex Systems, Dresden (Germany)
- Max Planck Inst. for the Physics of Complex Systems, Dresden (Germany); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Max Planck Inst. for the Physics of Complex Systems, Dresden (Germany); Univ. of Erlangen-Nuremberg (Germany)
Here, we show that a problem of forced polymer loops can be mapped to an asymmetric simple exclusion process with reflecting boundary conditions. The dynamics of the particle system can be solved exactly using the Bethe ansatz. We thus can fully describe the relaxation dynamics of forced polymer loops. In the steady state, the conformation of the loop can be approximated by a combination of Fermi–Dirac and Brownian bridge statistics, while the exact solution is found by using the fermion integer partition theory. With the theoretical framework presented here we establish a link between the physics of polymers and statistics of many-particle systems opening new paths of exploration in both research fields. Our result can be applied to the dynamics of the biopolymers which form closed loops. One such example is the active pulling of chromosomal loops during meiosis in yeast cells which helps to align chromosomes for recombination in the viscous environment of the cell nucleus.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- 89233218CNA000001
- OSTI ID:
- 1514945
- Report Number(s):
- LA-UR-17-25078
- Journal Information:
- New Journal of Physics, Vol. 20, Issue 11; ISSN 1367-2630
- Publisher:
- IOP PublishingCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Web of Science
The shape of pinned forced polymer loops
|
journal | January 2019 |
Exact distributions of currents and frenesy for Markov bridges
|
journal | October 2019 |
Exact Distributions of Currents and Frenesy for Markov Bridges | text | January 2019 |
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