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Extreme reductions ...
Extreme reductions of entropy in an electronic double dot
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- Singh, Shilpi (author)
- Aalto University
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- Roldán, Édgar (author)
- Max Planck Institute for the Physics of Complex Systems,Abdus Salam International Centre for Theoretical Physics (ICTP),Dresden University of Technology
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- Neri, Izaak (author)
- Max Planck Institute for the Physics of Complex Systems,King's College London
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- Khaymovich, Ivan M. (author)
- Max Planck Institute for the Physics of Complex Systems,The Institute for Physics of Microstructures of the Russian Academy of Sciences
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- Golubev, Dmitry S. (author)
- Aalto University
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- Maisi, Ville F. (author)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Peltonen, Joonas T. (author)
- Aalto University
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- Jülicher, Frank (author)
- Max Planck Institute for the Physics of Complex Systems
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- Pekola, Jukka P. (author)
- Aalto University
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(creator_code:org_t)
- 2019
- 2019
- English.
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In: Physical Review B. - 2469-9950. ; 99:11
- Related links:
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http://dx.doi.org/10...
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Abstract
Subject headings
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- We experimentally study negative fluctuations of stochastic entropy production in an electronic double dot operating in nonequilibrium steady-state conditions. We record millions of random electron tunneling events at different bias points, thus collecting extensive statistics. We show that for all bias voltages, the experimental average values of the minima of stochastic entropy production lie above -kB, where kB is the Boltzmann constant, in agreement with recent theoretical predictions for nonequilibrium steady states. Furthermore, we also demonstrate that the experimental cumulative distribution of the entropy production minima is bounded, at all times and for all bias voltages, by a universal expression predicted by the theory. We also extend our theory by deriving a general bound for the average value of the maximum heat absorbed by a mesoscopic system from the environment and compare this result with experimental data. Finally, we show by numerical simulations that these results are not necessarily valid under nonstationary conditions.
Subject headings
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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- art (subject category)
- ref (subject category)
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