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Quantum optics

Quantum optics

Quantum mechanics and thermodynamics can both be true, say physicists

28 Jul 2023
Illustration of quantum thermodynamics. At the top are still-frame images from a movie of a glass smashing, representing increasing entropy. At the bottom is an image of a photonic chip with pulses of light travelling through it. Clocks in the middle show represent time reversing partway through both sequences
Time's arrow: Researchers in Germany and the Netherlands have explored the relationship between thermodynamics (represented by the smashing glass) and quantum mechanics in a photonic quantum processor. (Courtesy: Florian Sterl/Sterltech Optics)
Physicists in the Netherlands and Germany have shown that the theories of thermodynamics and quantum

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