期刊
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
卷 31, 期 12, 页码 3057-3066出版社
OPTICAL SOC AMER
DOI: 10.1364/JOSAB.31.003057
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资金
- National Research Foundation of Korea (NRF) grant - Korean Government (MSIP) [3348-20100018]
- Singapore National Research Foundation
- Ministry of Education [MOE2012-T3-1-009]
- Australian Research Council Centre of Excellence for Quantum Computation and Communication Technology [CE11000102]
We investigate how to experimentally detect a recently proposed measure to quantify macroscopic quantum superpositions [Phys. Rev. Lett. 106, 220401 (2011)], namely, macroscopic quantumness I. Schemes based on overlap measurements for harmonic oscillator states and for qubit states are extensively investigated. Effects of detection inefficiency and coarse-graining are analyzed in order to assess feasibility of the schemes. (C) 2014 Optical Society of America
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