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Heisenberg-scaling measurement protocol for analytic functions with quantum sensor networks
We generalize past work on quantum sensor networks to show that, for d input parameters, entanglement can yield a factor O(d) improvement in mean-squared error when estimating an analytic function of these parameters. We show that the protocol is optimal for qubit sensors, and we conjecture an optim...
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| Publicado no: | Phys Rev A (Coll Park) |
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| Main Authors: | , , , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2019
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7670986/ https://ncbi.nlm.nih.gov/pubmed/33210056 |
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