Extracting Work Optimally with Imprecise Measurements.
Extracting Work Optimally with Imprecise Measurements.
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DOI:
10.3390/e23010008
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发表时间:
2020-12-23
期刊:
影响因子:
--
通讯作者:
Parrondo JMR
中科院分区:
文献类型:
--
作者:
Dinis L;Parrondo JMR
Measurement and feedback allows for an external agent to extract work from a system in contact with a single thermal bath. The maximum amount of work that can be extracted in a single measurement and the corresponding feedback loop is given by the information that is acquired via the measurement, a result that manifests the close relation between information theory and stochastic thermodynamics. In this paper, we show how to reversibly confine a Brownian particle in an optical tweezer potential and then extract the corresponding increase of the free energy as work. By repeatedly tracking the position of the particle and modifying the potential accordingly, we can extract work optimally, even with a high degree of inaccuracy in the measurements.
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DOI:
10.1088/1751-8113/45/16/162001
发表时间:
2012-04-27
影响因子:
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