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Conferences > QIM > 2019 > S1A > S1A.5

Restoring Heisenberg scaling in noisy quantum metrology by monitoring the environment

Francesco Albarelli, Matteo A. C. Rossi, Dario Tamascelli, and Marco G. Genoni

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Abstract

We study quantum frequency estimation for qubits subjected to independent Markovian noise, via time-continuous monitoring of the environment, showing, among other things, that perfectly efficient detection allows for restoring Heisenberg limit.

© 2019 The Author(s)

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