2 papers
quant-ph2020
The verification of a requirement of entanglement measures
Xianfei Qi, Ting Gao, Fengli Yan
The quantification of quantum entanglement is a central issue in quantum information theory. Recently, Gao \emph{et al}. ( \href{http://dx.doi.org/10.1103/PhysRevLett.112.180501}{P…
quant-ph2018
Quantifying the quantumness of ensembles via unitary similarity invariant norms
Xianfei Qi, Ting Gao, Fengli Yan
The quantification of the quantumness of a quantum ensemble has theoretical and practical significance in quantum information theory. We propose herein a class of measures of the q…