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Quantum to classical and back

Quantum mechanics can simulate a classical system evolving in (and towards) thermal equilibrium. This finding adds a further ingredient to the story of what problems a computer — classical or quantum — could possibly master.

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Santoro, G., Tosatti, E. Quantum to classical and back. Nature Phys 3, 593–594 (2007). https://doi.org/10.1038/nphys706

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