Fluctuation-Response Design Rules for Nonequilibrium Flows
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2026
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| _version_ | 1866914357332410368 |
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| author | Yang, Ying-Jen Dill, Ken A. |
| author_facet | Yang, Ying-Jen Dill, Ken A. |
| contents | Biological machines like molecular motors and enzymes operate in dynamic cycles representable as stochastic flows on networks. Current stochastic dynamics describes such flows on fixed networks. Here, we develop a scalable approach to network design in which local transition rates can be systematically varied to achieve global dynamical objectives. It is based on the fluctuation-response duality in the recent Caliber Force Theory -- a path-entropy variational formalism for nonequilibria. This approach scales efficiently with network complexity and gives new insights, for example revealing the transition from timing- to branching-dominated fluctuations in a kinesin motor model. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_10957 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Fluctuation-Response Design Rules for Nonequilibrium Flows Yang, Ying-Jen Dill, Ken A. Statistical Mechanics Biological Physics Biological machines like molecular motors and enzymes operate in dynamic cycles representable as stochastic flows on networks. Current stochastic dynamics describes such flows on fixed networks. Here, we develop a scalable approach to network design in which local transition rates can be systematically varied to achieve global dynamical objectives. It is based on the fluctuation-response duality in the recent Caliber Force Theory -- a path-entropy variational formalism for nonequilibria. This approach scales efficiently with network complexity and gives new insights, for example revealing the transition from timing- to branching-dominated fluctuations in a kinesin motor model. |
| title | Fluctuation-Response Design Rules for Nonequilibrium Flows |
| topic | Statistical Mechanics Biological Physics |
| url | https://arxiv.org/abs/2602.10957 |