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  • Probing quantum fluctuation theorems in engineered reservoirs

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    Author(s)
    Elouard, C.
    Bernardes, N.
    Ribeiro de Carvalho, Andre
    Santos, M. F.
    Auffeves, A.
    Griffith University Author(s)
    Ribeiro de Carvalho, Andre R.
    Year published
    2017
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    Abstract
    Fluctuation theorems (FTs) are central in stochastic thermodynamics, as they allow for quantifying the irreversibility of single trajectories. Although they have been experimentally checked in the classical regime, a practical demonstration in the framework of quantum open systems is still to come. Here we propose a realistic platform to probe FTs in the quantum regime. It is based on an effective two-level system coupled to an engineered reservoir, that enables the detection of the photons emitted and absorbed by the system. When the system is coherently driven, a measurable quantum component in the entropy production is ...
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    Fluctuation theorems (FTs) are central in stochastic thermodynamics, as they allow for quantifying the irreversibility of single trajectories. Although they have been experimentally checked in the classical regime, a practical demonstration in the framework of quantum open systems is still to come. Here we propose a realistic platform to probe FTs in the quantum regime. It is based on an effective two-level system coupled to an engineered reservoir, that enables the detection of the photons emitted and absorbed by the system. When the system is coherently driven, a measurable quantum component in the entropy production is evidenced. We quantify the error due to photon detection inefficiency, and show that the missing information can be efficiently corrected, based solely on the detected events. Our findings provide new insights into how the quantum character of a physical system impacts its thermodynamic evolution.
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    Journal Title
    New Journal of Physics
    Volume
    19
    DOI
    https://doi.org/10.1088/1367-2630/aa7fa2
    Copyright Statement
    © The Author(s) 2017. Published under licence in the Journal of Physics: Conference Series by IOP Publishing Ltd. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
    Subject
    Quantum Physics not elsewhere classified
    Physical Sciences
    Publication URI
    http://hdl.handle.net/10072/368341
    Collection
    • Journal articles

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