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  Experimental Determination of Irreversible Entropy Production in out-of-Equilibrium Mesoscopic Quantum Systems

Brunelli, M., Fusco, L., Landig, R., Wieczorek, W., Hoelscher-Obermaier, J., Landi, G., et al. (2018). Experimental Determination of Irreversible Entropy Production in out-of-Equilibrium Mesoscopic Quantum Systems. Physical Review Letters, 121(16): 160604. doi:10.1103/PhysRevLett.121.160604.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0002-6910-6 Version Permalink: https://hdl.handle.net/21.11116/0000-0002-E8E7-4
Genre: Journal Article

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 Creators:
Brunelli, M., Author
Fusco, L., Author
Landig, R., Author
Wieczorek, W., Author
Hoelscher-Obermaier, J.1, Author
Landi, G., Author
Semiao, F. L., Author
Ferraro, A., Author
Kiesel, N., Author
Donner, T., Author
De Chiara, G., Author
Paternostro, M., Author
Affiliations:
1AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, ou_24009              

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Free keywords: Quantum Physics, quant-ph, Condensed Matter, Mesoscale and Nanoscale Physics, cond-mat.mes-hall, Condensed Matter, Quantum Gases, cond-mat.quant-gas, Condensed Matter, Statistical Mechanics, cond-mat.stat-mech
 Abstract: By making use of a recently proposed framework for the inference of
thermodynamic irreversibility in bosonic quantum systems, we experimentally
measure and characterize the entropy production rates in the non-equilibrium
steady state of two different physical systems -- a micro-mechanical resonator
and a Bose-Einstein condensate -- each coupled to a high finesse cavity and
hence also subject to optical loss. Key features of our setups, such as cooling
of the mechanical resonator and signatures of a structural quantum phase
transition in the condensate are reflected in the entropy production rates. Our
work demonstrates the possibility to explore irreversibility in driven
mesoscopic quantum systems and paves the way to a systematic experimental
assessment of entropy production beyond the microscopic limit.

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 Dates: 2016-02-222018-09-172018
 Publication Status: Issued
 Pages: 14 pages, 4 figures, includes Supplementary Information; Version accepted in Phys. Rev. Lett. (to appear, 2018)
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 Rev. Type: -
 Identifiers: arXiv: 1602.06958
URI: http://arxiv.org/abs/1602.06958
DOI: 10.1103/PhysRevLett.121.160604
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Title: Physical Review Letters
Source Genre: Journal
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Pages: - Volume / Issue: 121 (16) Sequence Number: 160604 Start / End Page: - Identifier: -