Measurement Induced Quantum Coherence Recovery

Details Measurement Induced Quantum Coherence Recovery Measurement Induced Quantum Coherence Recovery

2008-10-29

arxiv.org/abs/0810.5272v1

New J. Phys. 11, 043010(9pp) (2009)

Physics

Quantum Physics

9 pages, 5 figures

Scientific paper

10.1088/1367-2630/11/4/043010

We show that measurement can recover the quantum coherence of a qubit in a non-Markovian environment. The experimental demonstration in an optical system is provided by comparing the visibilities (and fidelities) of the final states with and without measurement. This method can be extended to other two-level quantum systems and entangled states in a non-Markovian evolution environment. It may also be used to implement other quantum information processing.

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