Tensor-network approach for quantum metrology in many-body quantum systems

The maximum precision achievable in quantum metrology is in general tractable only in few-body scenarios or in case of uncorrelated local noise. Here, the authors show a tensor networks method to compute such bounds in cases with large number of probes and short-range spatial and temporal noise corr...

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Bibliographic Details
Main Authors: Krzysztof Chabuda, Jacek Dziarmaga, Tobias J. Osborne, Rafał Demkowicz-Dobrzański
Format: article
Language:EN
Published: Nature Portfolio 2020
Subjects:
Q
Online Access:https://doaj.org/article/45796c1205fa42c98c0d2959f69d183a
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