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Revolutionary Quantum Refrigerator Uses Microwave Noise for Heat Control

2/14/2026

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Summary

Story summary

Chalmers University of Technology researchers developed a quantum refrigerator that uses controlled microwave noise to manage heat in quantum circuits.
The device can function as a cooler, a heat engine, or an amplifier.
The researchers linked an artificial molecule to microwave channels to precisely control heat transport.
The study, published in Nature Communications, documented mode-switching after measuring extremely small heat currents.

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Story summary

Chalmers University of Technology researchers developed a quantum refrigerator that uses controlled microwave noise to manage heat in quantum circuits.
The device can function as a cooler, a heat engine, or an amplifier.
The researchers linked an artificial molecule to microwave channels to precisely control heat transport.
The study, published in Nature Communications, documented mode-switching after measuring extremely small heat currents.