In-vivo entropy production of A. subaru
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
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| _version_ | 1866912994711044096 |
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| author | Fu, Yu Dobson, Emmy Machta, Benjamin B. Abbott, Michael C. |
| author_facet | Fu, Yu Dobson, Emmy Machta, Benjamin B. Abbott, Michael C. |
| contents | Entropy production is often used as a proxy for energy consumption of a non-equilibrium system. Lower bounds can be estimated from coarse-grained observations, and this has been done for various biological systems. Here, we apply these tools to a more macroscopic system whose true energy consumption is also known. We find that while entropy production does give a lower bound, it is some 25 orders of magnitude away from being saturated. To be certain of this result, we survey different methods of estimating irreversibility, and write down a novel kNN estimator. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_00453 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | In-vivo entropy production of A. subaru Fu, Yu Dobson, Emmy Machta, Benjamin B. Abbott, Michael C. Biological Physics Statistical Mechanics Entropy production is often used as a proxy for energy consumption of a non-equilibrium system. Lower bounds can be estimated from coarse-grained observations, and this has been done for various biological systems. Here, we apply these tools to a more macroscopic system whose true energy consumption is also known. We find that while entropy production does give a lower bound, it is some 25 orders of magnitude away from being saturated. To be certain of this result, we survey different methods of estimating irreversibility, and write down a novel kNN estimator. |
| title | In-vivo entropy production of A. subaru |
| topic | Biological Physics Statistical Mechanics |
| url | https://arxiv.org/abs/2604.00453 |