Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.79.052106
Title: Uncertainty relation of mixed states by means of Wigner-Yanase-Dyson information
Authors: Li, D.
Li, X.
Wang, F.
Huang, H.
Li, X.
Kwek, L.C. 
Issue Date: 1-May-2009
Source: Li, D., Li, X., Wang, F., Huang, H., Li, X., Kwek, L.C. (2009-05-01). Uncertainty relation of mixed states by means of Wigner-Yanase-Dyson information. Physical Review A - Atomic, Molecular, and Optical Physics 79 (5) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.79.052106
Abstract: The variance of an observable in a quantum state is usually used to describe Heisenberg uncertainty relation. For mixed states, the variance includes quantum and classical uncertainties. By means of the skew information and the decomposition of the variance, a stronger uncertainty relation was presented by Luo. In this paper, by using Wigner-Yanase-Dyson information which is a generalization of the skew information, we propose a general uncertainty relation of mixed states. © 2009 The American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/116019
ISSN: 10502947
DOI: 10.1103/PhysRevA.79.052106
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