Matches in SemOpenAlex for { <https://semopenalex.org/work/W4385428884> ?p ?o ?g. }
- W4385428884 abstract "We use Floquet formalism to study fluctuations in periodically modulated continuous quantum thermal machines. We present a generic theory for such machines, followed by specific examples of sinusoidal, optimal, and circular modulations, respectively. The thermodynamic uncertainty relations (TUR) hold for all modulations considered. Interestingly, in the case of sinusoidal modulation, the TUR ratio assumes a minimum at the heat engine to refrigerator transition point, while the chopped random basis optimization protocol allows us to keep the ratio small for a wide range of modulation frequencies. Furthermore, our numerical analysis suggests that TUR can show signatures of heat engine to refrigerator transition, for more generic modulation schemes. We also study bounds in fluctuations in the efficiencies of such machines; our results indicate that fluctuations in efficiencies are bounded from above for a refrigerator and from below for an engine. Overall, this study emphasizes the crucial role played by different modulation schemes in designing practical quantum thermal machines." @default.
- W4385428884 created "2023-08-01" @default.
- W4385428884 creator A5007831957 @default.
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- W4385428884 date "2023-07-31" @default.
- W4385428884 modified "2023-10-15" @default.
- W4385428884 title "Precision bound and optimal control in periodically modulated continuous quantum thermal machines" @default.
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- W4385428884 doi "https://doi.org/10.1103/physreve.108.014137" @default.
- W4385428884 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37583225" @default.
- W4385428884 hasPublicationYear "2023" @default.
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