Uncertainty relation based on Wigner-Yanase-Dyson skew information with quantum memory
Jun Li and Shao-Ming Fei
Contact the author: Please use for correspondence this email.
Submission date: 17. Jul. 2018
published in: Entropy, 20 (2018) 2, art-no. 132
DOI number (of the published article): 10.3390/e20020132
Download full preprint: PDF (965 kB)
We present uncertainty relations based on Wigner-Yanase-Dyson skew information with quantum memory. Uncertainty inequalities both in product and summation forms are derived. It is shown that the lower bounds contain two terms: one characterizes the degree of compatibility of two measurements, one is the quantum correlation between the measured system and the quantum memory. Detailed examples are given for product, separable and entangled states.