Quantum advantage in postselected metrology

In every parameter-estimation experiment, the final measurement or the postprocessing incurs a cost. Postselection can improve the rate of Fisher information (the average information learned about an unknown parameter from a trial) to cost. We show that this improvement stems from the negativity of...

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Detalles Bibliográficos
Autores principales: Arvidsson-Shukur, David R. M., Yunger Halpern, Nicole, Lepage, Hugo V., Lasek, Aleksander A., Barnes, Crispin H. W., Lloyd, Seth
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7391714/
https://www.ncbi.nlm.nih.gov/pubmed/32728082
http://dx.doi.org/10.1038/s41467-020-17559-w

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7391714/
https://www.ncbi.nlm.nih.gov/pubmed/32728082
http://dx.doi.org/10.1038/s41467-020-17559-w

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