Motility and Energetics of Randomly Flashing Ratchets
Statistical Mechanics
2021-05-07 v1
Abstract
We consider a randomly flashing ratchet, where the potential acting can be switched to another at random. Using coupled Fokker-Planck equations, we formulate the expressions of quantities measuring dynamics and thermodynamics. Extended numerical calculations present how the potential landscapes and the transitions affect the motility and energetics. Load-dependent velocity and energetic efficiency of motor proteins, kinesin and dynein, further exemplify the randomly flashing ratchet model. We also discuss the system with two shifted sawtooth potentials.
Keywords
Cite
@article{arxiv.2002.12796,
title = {Motility and Energetics of Randomly Flashing Ratchets},
author = {Xining Xu and Yunxin Zhang},
journal= {arXiv preprint arXiv:2002.12796},
year = {2021}
}