Efficiency at Maximum Power of a Carnot Quantum Information Engine

Fadler P, Friedenberger A, Lutz E (2023)

Publication Type: Journal article

Publication year: 2023

Journal

Physical Review Letters American Physical Society

Book Volume: 130

Article Number: 240401

Journal Issue: 24

DOI: 10.1103/PhysRevLett.130.240401

Abstract

Optimizing the performance of thermal machines is an essential task of thermodynamics. We here consider the optimization of information engines that convert information about the state of a system into work. We concretely introduce a generalized finite-time Carnot cycle for a quantum information engine and optimize its power output in the regime of low dissipation. We derive a general formula for its efficiency at maximum power valid for arbitrary working media. We further investigate the optimal performance of a qubit information engine subjected to weak energy measurements.

Authors with CRIS profile

Paul Fadler Lehrstuhl für Theoretische Physik Alexander Friedenberger Lehrstuhl für Theoretische Physik

Involved external institutions

Universität Stuttgart DE Germany (DE)

How to cite

APA:

Fadler, P., Friedenberger, A., & Lutz, E. (2023). Efficiency at Maximum Power of a Carnot Quantum Information Engine. Physical Review Letters, 130(24). https://doi.org/10.1103/PhysRevLett.130.240401

MLA:

Fadler, Paul, Alexander Friedenberger, and Eric Lutz. "Efficiency at Maximum Power of a Carnot Quantum Information Engine." Physical Review Letters 130.24 (2023).

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