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Updated: Aug 6, 2026
12:18
Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
Published on: August 5, 2013
Heat, work, and fluctuations in a driven quantum resonator
Riya Baruah1, Pedro Portugal1, Jun-Zhe Chen1
1Aalto University, Department of Applied Physics, 00076 Aalto, Finland.
Physical Review. E
|July 24, 2026
Summary
Researchers explored quantum thermodynamic processes in a driven quantum resonator. They analyzed heat, work, and photon exchanges to understand nanoscale heat engine dynamics.
Area of Science:
- Quantum thermodynamics
- Nanoscale heat engines
- Quantum optics
Background:
- Working fluids are crucial for heat engines, converting heat to work.
- Quantum systems offer nonclassical behavior for nanoscale heat engines.
- Quantum resonators are ideal platforms for studying quantum thermodynamics due to precise control and coupling.
Purpose of the Study:
- Investigate thermodynamic properties of a driven quantum resonator.
- Analyze heat flow and work performed by the external drive.
- Determine photon exchange distributions to understand quantum thermodynamic processes.
Main Methods:
- Modulating the natural frequency of a quantum resonator to control its temperature.
- Evaluating work and heat flow within linear response and beyond.
- Calculating the full distribution of photon exchanges using cumulants.
Main Results:
- Quantitative insights into heat, work, and fluctuations in a driven quantum resonator.
- Analysis of thermodynamic properties beyond linear response.
- Characterization of photon exchange distributions and their cumulants.
Conclusions:
- The study provides a deeper understanding of quantum thermodynamic processes in nanoscale heat engines.
- Results offer insights into the interplay of heat, work, and fluctuations.
- Findings may aid in the design of future quantum heat engines.
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