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19 April 2024 |
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Article overview
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Experimental certification of steering criterion based on general entropic uncertainty relation | | Huan Yang
; Zhi-Yong Ding
; Dong Wang
; Hao Yuan
; Xue-Ke Song
; Jie Yang
; Chang-Jin Zhang
; Liu Ye
; | | Date: |
20 Sep 2019 | | Abstract: | Quantum steering describes the phenomenon that one system can be immediately
influenced by another with local measurements. It can be detected by the
violation of a powerful and useful steering criterion from general entropic
uncertainty relation. This criterion, in principle, can be evaluated
straightforwardly and achieved by only probability distributions from a finite
set of measurement settings. Herein, we experimentally verify the steering
criterion by means of the two-photon Werner-like states and three Pauli
measurements. The results indicate that quantum steering can be verified by the
criterion in a convenient way. In particular, it is no need to perform the
usual quantum state tomography in experiment, which reduces the required
experimental resources greatly. Moreover, we demonstrate that the criterion is
stronger than the linear one for the detecting quantum steering of the
Werner-like states. | | Source: | arXiv, 1909.9327 | | Services: | Forum | Review | PDF | Favorites | |
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