ArticleProceedings of the National Academy of Sciences of the United States of America2017
Direct measurement of weakly nonequilibrium system entropy is consistent with Gibbs-Shannon form.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 70 citations in OpenAlex.
- From Cell States to Cell Fates: Control of Cell State Transitions.Methods in molecular biology (Clifton, N.J.) · 2024Article
- Dissipation during the Gating Cycle of the Bacterial Mechanosensitive Ion Channel Approaches the Landauer Limit.Entropy (Basel, Switzerland) · 2023Article
- Fluctuation relations for irreversible emergence of information.Scientific reports · 2022Article
- Efficiency fluctuations and noise induced refrigerator-to-heater transition in information engines.Nature communications · 2020Article
- Thermodynamics of Majority-Logic Decoding in Information Erasure.Entropy (Basel, Switzerland) · 2019Article
- A Programmable Mechanical Maxwell's Demon.Entropy (Basel, Switzerland) · 2019Article
- Entropic constraints on the steady-state fitness of competing self-replicators.The Journal of chemical physics · 2018Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Stochastic thermodynamics extends classical thermodynamics to small systems in contact with one or more heat baths. It can account for the effects of thermal fluctuations and describe systems far from thermodynamic equilibrium. A basic assumption is that the expression for Shannon entropy is the appropriate description for the entropy of a nonequilibrium system in such a setting. Here we measure experimentally this function in a system that is in local but not global equilibrium. Our system is a micron-scale colloidal particle in water, in a virtual double-well potential created by a feedback trap. We measure the work to erase a fraction of a bit of information and show that it is bounded by the Shannon entropy for a two-state system. Further, by measuring directly the reversibility of slow protocols, we can distinguish unambiguously between protocols that can and cannot reach the expected thermodynamic bounds.
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