Frequency estimation under non-Markovian spatially correlated quantum noise

Frequency estimation under non-Markovian spatially correlated quantum noise

We study the estimation precision attainable by entanglement-enhanced Ramsey interferometry in the presence of spatiotemporally correlated non-classical noise. Our analysis relies on an exact expression of the reduced density matrix of the qubit probes under general zero-mean Gaussian stationary dep...

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Bibliographic Details
Main Authors: Francisco Riberi, Leigh M Norris, Félix Beaudoin, Lorenza Viola
Format: Article
Language:English
Published: IOP Publishing 2022-01-01
Series:New Journal of Physics
Subjects:
noisy quantum metrology
Ramsey interferometry
open quantum systems
spatially correlated non-Markovian quantum noise
Online Access:https://doi.org/10.1088/1367-2630/ac92a2

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