Researchers at the Institute for Quantum Optics and Quantum Information (IQOQI) in Vienna recently devised a universal mechanism to invert the evolution of a qubit with a high probability of success. This protocol, outlined in Physical Review Letters, can propagate any target qubit back to the state it was in at a specific time in the past.
from General Physics News - Science News, Physics News, Physics, Material Sciences, Science https://ift.tt/dSBaUYc
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