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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Autores principales:	Krzysztof Chabuda, Jacek Dziarmaga, Tobias J. Osborne, Rafał Demkowicz-Dobrzański
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/45796c1205fa42c98c0d2959f69d183a
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spelling	oai:doaj.org-article:45796c1205fa42c98c0d2959f69d183a2021-12-02T14:41:24ZTensor-network approach for quantum metrology in many-body quantum systems10.1038/s41467-019-13735-92041-1723https://doaj.org/article/45796c1205fa42c98c0d2959f69d183a2020-01-01T00:00:00Zhttps://doi.org/10.1038/s41467-019-13735-9https://doaj.org/toc/2041-1723The 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 correlations.Krzysztof ChabudaJacek DziarmagaTobias J. OsborneRafał Demkowicz-DobrzańskiNature PortfolioarticleScienceQENNature Communications, Vol 11, Iss 1, Pp 1-12 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Krzysztof Chabuda Jacek Dziarmaga Tobias J. Osborne Rafał Demkowicz-Dobrzański Tensor-network approach for quantum metrology in many-body quantum systems
description	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 correlations.
format	article
author	Krzysztof Chabuda Jacek Dziarmaga Tobias J. Osborne Rafał Demkowicz-Dobrzański
author_facet	Krzysztof Chabuda Jacek Dziarmaga Tobias J. Osborne Rafał Demkowicz-Dobrzański
author_sort	Krzysztof Chabuda
title	Tensor-network approach for quantum metrology in many-body quantum systems
title_short	Tensor-network approach for quantum metrology in many-body quantum systems
title_full	Tensor-network approach for quantum metrology in many-body quantum systems
title_fullStr	Tensor-network approach for quantum metrology in many-body quantum systems
title_full_unstemmed	Tensor-network approach for quantum metrology in many-body quantum systems
title_sort	tensor-network approach for quantum metrology in many-body quantum systems
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/45796c1205fa42c98c0d2959f69d183a
work_keys_str_mv	AT krzysztofchabuda tensornetworkapproachforquantummetrologyinmanybodyquantumsystems AT jacekdziarmaga tensornetworkapproachforquantummetrologyinmanybodyquantumsystems AT tobiasjosborne tensornetworkapproachforquantummetrologyinmanybodyquantumsystems AT rafałdemkowiczdobrzanski tensornetworkapproachforquantummetrologyinmanybodyquantumsystems
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Tensor-network approach for quantum metrology in many-body quantum systems

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