Molecular machines operating on the nanoscale: from classical to quantum
- The main physical features and operating principles of isothermal nanomachines in the microworld, common to both classical and quantum machines, are reviewed. Special attention is paid to the dual, constructive role of dissipation and thermal fluctuations, the fluctuation-dissipation theorem, heat losses and free energy transduction, thermodynamic efficiency, and thermodynamic efficiency at maximum power. Several basic models are considered and discussed to highlight generic physical features. This work examines some common fallacies that continue to plague the literature. In particular, the erroneous beliefs that one should minimize friction and lower the temperature for high performance of Brownian machines, and that the thermodynamic efficiency at maximum power cannot exceed one-half are discussed. The emerging topic of anomalous molecular motors operating subdiffusively but very efficiently in the viscoelastic environment of living cells is also discussed.
Author details: | Igor GoychukORCiDGND |
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DOI: | https://doi.org/10.3762/bjnano.7.31 |
ISSN: | 2190-4286 |
Pubmed ID: | https://pubmed.ncbi.nlm.nih.gov/27335728 |
Title of parent work (English): | Beilstein journal of nanotechnology |
Publisher: | Beilstein-Institut zur Förderung der Chemischen Wissenschaften |
Place of publishing: | Frankfurt, Main |
Publication type: | Review |
Language: | English |
Year of first publication: | 2016 |
Publication year: | 2016 |
Release date: | 2020/03/22 |
Tag: | Brownian nanomachines; anomalous dynamics with memory; nanoscale friction and thermal noise; quantum effects; thermodynamic efficiency |
Volume: | 7 |
Number of pages: | 23 |
First page: | 328 |
Last Page: | 350 |
Funding institution: | Deutsche Forschungsgemeinschaft (German Research Foundation) [GO 2052/1-2] |
Organizational units: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie |
Peer review: | Referiert |