Strictly nonclassical behavior of a mesoscopic system

J. Hu; Z. Vendeiro; W. Chen; Hao Zhang; R. McConnell; Anders Søndberg Sørensen; V. Vuleti'c

doi:10.1103/physreva.95.030105

Strictly nonclassical behavior of a mesoscopic system

J. Hu, Z. Vendeiro, W. Chen, Hao Zhang, R. McConnell, Anders Søndberg Sørensen, V. Vuleti'c

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Abstract

We experimentally demonstrate the strictly nonclassical behavior in a many-atom system using a recently derived criterion [E. Kot, Phys. Rev. Lett. 108, 233601 (2012)PRLTAO0031-900710.1103/PhysRevLett.108.233601] that explicitly does not make use of quantum mechanics. We thereby show that the magnetic-moment distribution measured by McConnell et al. [Nature (London) 519, 439 (2015)NATUAS0028-083610.1038/nature14293] in a system with a total mass of 2.6×105 atomic mass units is inconsistent with classical physics. Notably, the strictly nonclassical behavior affects an area in phase space 103 times larger than the Planck quantum.

Original language	English
Article number	030105
Journal	Physical Review A
Volume	95
Issue number	3
ISSN	2469-9926
DOIs	https://doi.org/10.1103/physreva.95.030105
Publication status	Published - 16 Mar 2017

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title = "Strictly nonclassical behavior of a mesoscopic system",

abstract = "We experimentally demonstrate the strictly nonclassical behavior in a many-atom system using a recently derived criterion [E. Kot, Phys. Rev. Lett. 108, 233601 (2012)PRLTAO0031-900710.1103/PhysRevLett.108.233601] that explicitly does not make use of quantum mechanics. We thereby show that the magnetic-moment distribution measured by McConnell et al. [Nature (London) 519, 439 (2015)NATUAS0028-083610.1038/nature14293] in a system with a total mass of 2.6×105 atomic mass units is inconsistent with classical physics. Notably, the strictly nonclassical behavior affects an area in phase space 103 times larger than the Planck quantum.",

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AU - Zhang, Hao

AU - McConnell, R.

AU - Sørensen, Anders Søndberg

AU - Vuleti'c, V.

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Strictly nonclassical behavior of a mesoscopic system

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