4 papers · 1 filter
Quantifying multilevel coherence and multipartite correlation based on -affinity
Yan Hong, Mengjia Zhang, Limin Gao +2
Unlike standard quantum coherence, multilevel quantum coherence provides a hierarchical structure that enables a more refined characterization of quantum superposition. In this pap…
Detecting -nonstretchability via a class of informationally complete symmetric measurements
Yan Hong, Mengjia Zhang, Limin Gao +2
Characterizing multipartite entanglement is a fundamental problem in quantum information theory. The concept of -stretchability provides a framework for characterizing the struc…
Quantifying nonclassical correlation via the generalized Wigner-Yanase skew information
Yan Hong, Xinlan Hao, Limin Gao
Nonclassical correlation is an important concept in quantum information theory, referring to a special type of correlation that exists between quantum systems, which surpasses the…
Several families of entanglement criteria for multipartite quantum systems based on generalized Wigner-Yanase skew information and variance
Yan Hong, Xinlan Hao, Limin Gao
Quantum entanglement plays a critical role in many quantum applications, but detecting entanglement, especially in multipartite or high-dimensional quantum systems, remains a chall…