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DC Field | Value | Language |
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dc.date.accessioned | 2018-02-28T17:26:44Z | - |
dc.date.available | 2018-02-28T17:26:44Z | - |
dc.date.issued | 2014 | - |
dc.identifier.citation | Zhang, J., Zhang, T., Xuereb, A., Vitali, D., & Li, J. (2014). More nonlocality with less entanglement in a tripartite atom-optomechanical system. Retrieved from arXiv preprint https://arxiv.org/abs/1402.3872v4 | en_GB |
dc.identifier.uri | https://www.um.edu.mt/library/oar//handle/123456789/27453 | - |
dc.description | We are grateful to M. Paternostro and G. Adesso for valuable discussions. | en_GB |
dc.description.abstract | We study quantum effects in hybrid atomic optomechanics in a system comprising a cloud of atoms and a mobile mirror mediated by a single-mode cavity. Tripartite nonlocality is observed in the atom-light-mirror system, as demonstrated by the violation of the Mermin-Klyshko (MK) inequality. It has been shown [C. Genes, et al., PRA 77, 050307 (R) (2008)] that tripartite entanglement is optimized when the cavity is resonant with the anti-Stokes sideband of the driving laser and the atomic frequency matches the Stokes one. However, we show that this is not the case for the nonlocality. The MK function achieves minima when the atoms are resonant with both the Stokes and anti-Stokes sidebands, and unexpectedly, we find violation of the MK inequality only in a parameter region where entanglement is far from being maximum. A negative relation exists between nonlocality and entanglement with consideration of the possibility of bipartite nonlocality in the violation of the MK inequality. We also study the non-classicality of the mirror by post-selected measurements, e.g. Geiger-like detection, on the cavity and/or the atoms. We show that with feasible parameters Geiger-like detection on the atoms can effectively induce mechanical non-classicality. | en_GB |
dc.description.sponsorship | This work is supported by National Basic Research Program of China (2012CB921601), National Natural Science Foundation of China (Grants Nos. 11125418, 91336107, 61227902, and 61121064), Natural Science Foundation of Shanxi (Grant No. 2013021005-2), the Royal Commission for the Exhibition of 1851 and the European Commission through the Marie-Curie ITN cQOM. | en_GB |
dc.language.iso | en | en_GB |
dc.publisher | Cornell University | en_GB |
dc.rights | info:eu-repo/semantics/openAccess | en_GB |
dc.subject | Quantum entanglement | en_GB |
dc.subject | Optomechanics | en_GB |
dc.subject | Optical resonance | en_GB |
dc.subject | Quantum optics | en_GB |
dc.title | More nonlocality with less entanglement in a tripartite atom-optomechanical system | en_GB |
dc.type | article | en_GB |
dc.rights.holder | The copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holder. | en_GB |
dc.description.reviewed | non peer-reviewed | en_GB |
dc.contributor.creator | Zhang, Jing | - |
dc.contributor.creator | Zhang, Tiancai | - |
dc.contributor.creator | Xuereb, Andre | - |
dc.contributor.creator | Vitali, David | - |
dc.contributor.creator | Lie, Jie | - |
Appears in Collections: | Scholarly Works - FacSciPhy |
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More_nonlocality_with_less_entanglement_in_a_tripartite_atom-optomechanical_system_2014.pdf | 580.62 kB | Adobe PDF | View/Open |
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