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quant-ph2026
No-Go Theorem for Quantum Heat Engines Powered Purely by Quantum Measurements in the Steady Regime
Kenta Koshihara, Kazuya Yuasa
We study the thermodynamics of a quantum measurement-powered engine that converts energy injected by measurement backaction into work. We consider an engine with a finite-dimension…
quant-ph2023★ 13 cited
Quantum Ergotropy and Quantum Feedback Control
Kenta Koshihara, Kazuya Yuasa
We study the energy extraction from and charging to a finite-dimensional quantum system by general quantum operations. We prove that the changes in energy induced by unital quantum…