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- Max Planck Institute for Mathematics in the SciencesDE250 papers
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17 papers · 1 filter
Detecting Tripartite Steering via Quantum Entanglement
Zhihua Chen, Shao-Ming Fei
Einstein-Podolsky-Rosen steering is a kind of powerful nonlocal quantum resource in quantum information processing such as quantum cryptography and quantum communication. Many crit…
New MRD codes from linear cutting blocking sets
Daniele Bartoli, Giuseppe Marino, Alessandro Neri
Minimal rank-metric codes or, equivalently, linear cutting blocking sets are characterized in terms of the second generalized rank weight, via their connection with evasiveness pro…
Uncertainty of quantum channels via modified generalized variance and modified generalized Wigner-Yanase-Dyson skew information
Cong Xu, Zhaoqi Wu, Shao-Ming Fei
Uncertainty relation is a fundamental issue in quantum mechanics and quantum information theory. By using modified generalized variance (MGV), and modified generalized Wigner-Yanas…
Sum uncertainty relations based on weighted Wigner-Yanase-Dyson skew information
Cong Xu, Zhaoqi Wu, Shao-Ming Fei
We introduce () weighted Wigner-Yanase-Dyson (() WWYD) skew information and () modified weighted Wigner-Yanase-Dyson (() MWWYD) skew information. We exp…
On Ergotropic Gap of Tripartite Separable Systems
Ya-Juan Wu, Shao-Ming Fei, Zhi-Xi Wang +1
Extracting work from quantum system is one of the important areas in quantum thermodynamics. As a significant thermodynamic quantity, the ergotropy gap characterizes the difference…
Standard symmetrized variance with applications to coherence, uncertainty and entanglement
Ming-Jing Zhao, Lin Zhang, Shao-Ming Fei
Variance is a ubiquitous quantity in quantum information theory. Given a basis, we consider the averaged variances of a fixed diagonal observable in a pure state under all possible…