Reversing a system’s time evolution can be tricky enough when you know how the system looked like initially and how it evolved. Yet, physicists found out that the evolution of a quantum system can be reversed without this knowledge, even without needing to know how exactly to interact with the system. (IMAGE)

University of Vienna

Reversing a system’s time evolution can be tricky enough when you know how the system looked like initially and how it evolved. Yet, physicists found out that the evolution of a quantum system can be reversed without this knowledge, even without needing to know how exactly to interact with the system.

Caption

Reversing a system’s time evolution can be tricky enough when you know how the system looked like initially and how it evolved. Yet, physicists found out that the evolution of a quantum system can be reversed without this knowledge, even without needing to know how exactly to interact with the system.

Credit

Christine Schiansky @freowynart

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