A network of quantum sensors for estimating phase shifts is shown to operate with superior sensitivity when delocalized highly entangled states are employed.
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References
Schrödinger, E. Math. Proc. Camb. Philos. Soc. 31, 555–563 (1935).
Bell, J. S. Speakable and Unspeakable in Quantum Mechanics (Cambridge Univ. Press, 1987).
Horodecki, R., Horodecki, P., Horodecki, M. & Horodecki, K. Rev. Mod. Phys. 81, 865–942 (2009).
Einstein, A. & Born, M. The Born-Einstein Letters 1916 to 1955 157 (MacMillan, 1971).
Pezzè, L. & Smerzi, A. Phys. Rev. Lett. 102, 100401 (2009).
Greenberger, D. M., Horne, M. A. & Zeilinger, A. In Bell’s Theorem, Quantum Theory, and Conceptions of the Universe (ed. Kafatos, M.) 73–76 (Kluwer Academics, 1989).
Giovannetti, V., Lloyd, S. & Maccone, L. Nat. Photon. 5, 222–229 (2011).
Pezzè, L., Smerzi, A., Oberthaler, M. K., Schmied, R. & Treutlein, P. Rev. Mod. Phys. 90, 035005 (2018).
Liu, L.-Z. et al. Nat. Photon. https://doi.org/10.1038/s41566-020-00718-2 (2021).
Gessner, M., Pezzè, L. & Smerzi, A. Phys. Rev. Lett. 121, 130503 (2018).
Proctor, T. J., Knott, P. A. & Dunningham, J. A. Phys. Rev. Lett. 120, 080501 (2018).
Ge, W., Jacobs, K., Eldredge, Z., Gorshkov, A. V. & Foss-Feig, M. Phys. Rev. Lett. 121, 043604 (2018).
Zhao, S.-R. et al. Preprint at https://arxiv.org/abs/2011.02807 (2020).
Guo, X. et al. Nat. Phys. 16, 281–284 (2020).
Xia, Y. et al. Phys. Rev. Lett. 124, 150502 (2020).
Polino, E. et al. Optica 6, 288–295 (2019).
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Pezzè, L. Entanglement-enhanced sensor networks. Nat. Photonics 15, 74–76 (2021). https://doi.org/10.1038/s41566-020-00755-x
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DOI: https://doi.org/10.1038/s41566-020-00755-x
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