Black holes, qubits and octonions
We review the recently established relationships between black hole entropy in string theory
and the quantum entanglement of qubits and qutrits in quantum information theory. The first …
and the quantum entanglement of qubits and qutrits in quantum information theory. The first …
Concurrence of arbitrary dimensional bipartite quantum states
K Chen, S Albeverio, SM Fei - Physical review letters, 2005 - APS
We derive an analytical lower bound for the concurrence of a bipartite quantum state in
arbitrary dimension. A functional relation is established relating concurrence, the Peres …
arbitrary dimension. A functional relation is established relating concurrence, the Peres …
Quantifying entanglement resources
C Eltschka, J Siewert - Journal of Physics A …, 2014 - singdirect.iopscience.iop.org
We present an overview of the quantitative theory of single-copy entanglement in finite-
dimensional quantum systems. In particular we emphasize the point of view that different …
dimensional quantum systems. In particular we emphasize the point of view that different …
Entanglement monogamy relations of qubit systems
XN Zhu, SM Fei - Physical Review A, 2014 - APS
We investigate the monogamy relations related to the concurrence and the entanglement of
formation. General monogamy inequalities given by the α th power of concurrence and …
formation. General monogamy inequalities given by the α th power of concurrence and …
[HTML][HTML] Concurrence triangle induced genuine multipartite entanglement measure
ZX Jin, YH Tao, YT Gui, SM Fei, X Li-Jost, CF Qiao - Results in Physics, 2023 - Elsevier
We study the quantification of genuine multipartite entanglement (GME) for general
multipartite states. A set of inequalities satisfied by the entanglement of N-partite pure states …
multipartite states. A set of inequalities satisfied by the entanglement of N-partite pure states …
Tighter monogamy relations in multiqubit systems
ZX Jin, J Li, T Li, SM Fei - Physical Review A, 2018 - APS
Monogamy relations characterize the distributions of entanglement in multipartite systems.
We investigate monogamy relations related to the concurrence C, the entanglement of …
We investigate monogamy relations related to the concurrence C, the entanglement of …
Generalized monogamy relations of concurrence for -qubit systems
XN Zhu, SM Fei - Physical Review A, 2015 - APS
We present a different kind of monogamous relations based on concurrence and
concurrence of assistance. For N-qubit systems ABC 1... CN− 2, the monogamy relations …
concurrence of assistance. For N-qubit systems ABC 1... CN− 2, the monogamy relations …
Tighter entanglement monogamy relations of qubit systems
ZX Jin, SM Fei - Quantum Information Processing, 2017 - Springer
Monogamy relations characterize the distributions of entanglement in multipartite systems.
We investigate monogamy relations related to the concurrence C and the entanglement of …
We investigate monogamy relations related to the concurrence C and the entanglement of …
Quantum correlations and quantum-memory-assisted entropic uncertainty relation in two kinds of spin squeezing models
We investigate thermal quantum correlations and the entropic uncertainty relation in the
presence of quantum memory under two kinds of two-qubit spin squeezing models, namely …
presence of quantum memory under two kinds of two-qubit spin squeezing models, namely …
Quantum entanglement: separability, measure, fidelity of teleportation, and distillation
Quantum entanglement plays crucial roles in quantum information processing. Quantum
entangled states have become the key ingredient in the rapidly expanding field of quantum …
entangled states have become the key ingredient in the rapidly expanding field of quantum …