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Poster Session

Poster Session III

4:00 pm – 6:00 pm, Thursday June 19 Session S00 Oregon Convention Center:, Exhibit Hall E
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Quantum metrology and non-Markovian bath

Poster 39
Presenter: Lin Jiao (RICE UNIVERSITY)
Authors: Han Pu (Rice University), Jun-Hong An (Lanzhou University)

Quantum metrology aims to enhance measurement precision beyond the standard quantum limit by taking advantage of certain non-classical states.   However, decoherence induced by a bath will in general destroy quantum correlations underlying such states and hence nullify this quantum advantage. Here we show that a class of non-Markovian baths surprisingly preserves quantum correlations and results in stable non-classical states in steady state. We will provide a few specific examples. Our work demonstrate the application of reservoir engineering for quantum metrology.

Funding acknowledgement

This work was supported by National Natural Science Foundation of China, and now supported by NSF and the Welch Foundation.

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