Nonequilibrium fluctuation theorems from equilibrium fluctuations
A system can be driven to nonequilibrium behavior in the presence of thermodynamic imbalances in its environment, such as temperature or chemical potential differences. In derivations of far-from-equilibrium fluctuation theorems, such imbalances are typically modeled as fixed, externally imposed the...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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IOP Publishing
2013-01-01
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| Series: | New Journal of Physics |
| Online Access: | https://doi.org/10.1088/1367-2630/15/12/125029 |
| _version_ | 1797751779125886976 |
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| author | Saar Rahav Christopher Jarzynski |
| author_facet | Saar Rahav Christopher Jarzynski |
| author_sort | Saar Rahav |
| collection | DOAJ |
| description | A system can be driven to nonequilibrium behavior in the presence of thermodynamic imbalances in its environment, such as temperature or chemical potential differences. In derivations of far-from-equilibrium fluctuation theorems, such imbalances are typically modeled as fixed, externally imposed thermodynamic forces. Here, we argue that fluctuation theorems can instead be understood in terms of the equilibrium dynamics of a larger supersystem, containing both the system of interest and its thermal surroundings. To this end, we consider rare fluctuations that spontaneously produce imbalances in the surroundings. In the aftermath of such fluctuations, the system of interest transiently behaves as though it were in the presence of an externally applied thermodynamic force. By applying the principle of detailed balance to these rare events, we recover the fluctuation theorem in both its transient and steady-state formulations. |
| first_indexed | 2024-03-12T16:53:31Z |
| format | Article |
| id | doaj.art-51024fa9d5c94d438b7e1c2f159825b8 |
| institution | Directory Open Access Journal |
| issn | 1367-2630 |
| language | English |
| last_indexed | 2024-03-12T16:53:31Z |
| publishDate | 2013-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | New Journal of Physics |
| spelling | doaj.art-51024fa9d5c94d438b7e1c2f159825b82023-08-08T11:02:50ZengIOP PublishingNew Journal of Physics1367-26302013-01-01151212502910.1088/1367-2630/15/12/125029Nonequilibrium fluctuation theorems from equilibrium fluctuationsSaar Rahav0Christopher Jarzynski1Schulich Faculty of Chemistry, Technion—Israel Institute of Technology , Haifa 32000, IsraelDepartment of Chemistry and Biochemistry, and Institute for Physical Science and Technology, University of Maryland , College Park, MD 20742, USAA system can be driven to nonequilibrium behavior in the presence of thermodynamic imbalances in its environment, such as temperature or chemical potential differences. In derivations of far-from-equilibrium fluctuation theorems, such imbalances are typically modeled as fixed, externally imposed thermodynamic forces. Here, we argue that fluctuation theorems can instead be understood in terms of the equilibrium dynamics of a larger supersystem, containing both the system of interest and its thermal surroundings. To this end, we consider rare fluctuations that spontaneously produce imbalances in the surroundings. In the aftermath of such fluctuations, the system of interest transiently behaves as though it were in the presence of an externally applied thermodynamic force. By applying the principle of detailed balance to these rare events, we recover the fluctuation theorem in both its transient and steady-state formulations.https://doi.org/10.1088/1367-2630/15/12/125029 |
| spellingShingle | Saar Rahav Christopher Jarzynski Nonequilibrium fluctuation theorems from equilibrium fluctuations New Journal of Physics |
| title | Nonequilibrium fluctuation theorems from equilibrium fluctuations |
| title_full | Nonequilibrium fluctuation theorems from equilibrium fluctuations |
| title_fullStr | Nonequilibrium fluctuation theorems from equilibrium fluctuations |
| title_full_unstemmed | Nonequilibrium fluctuation theorems from equilibrium fluctuations |
| title_short | Nonequilibrium fluctuation theorems from equilibrium fluctuations |
| title_sort | nonequilibrium fluctuation theorems from equilibrium fluctuations |
| url | https://doi.org/10.1088/1367-2630/15/12/125029 |
| work_keys_str_mv | AT saarrahav nonequilibriumfluctuationtheoremsfromequilibriumfluctuations AT christopherjarzynski nonequilibriumfluctuationtheoremsfromequilibriumfluctuations |