A Collective Measurement To Estimate Work In Quantum Systems
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About The Author

Dr. Martí Perarnau-Llobet is a postdoctoral researcher at the Max-Planck Institute of Quantum Optics.

                       

A Collective Measurement To Estimate Work In Quantum Systems

What is work in thermodynamics? This basic question is still debated nowadays, especially when dealing with small quantum systems. In 1824, Sadi Carnot defined work as useful energy which can be used to e.g. lift a weight in his seminal paper Reflections on the Motive Power of Fire. In turn, a common way to generate work is by performing a cycle in a heat engine operating between two thermal reservoirs at different temperatures. When the size of such an engine...

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