Renormalization of negativity and quantum phase transition in the spin-1/2 XY chain

YD Zheng, B Zhou - Quantum Information Processing, 2023 - Springer
We apply the quantum renormalization group (QRG) method to study the relationship
between entanglement and quantum phase transition in the spin-1/2 XY chain. The tripartite …

Geometry and dynamics of one-norm geometric quantum discord

Z Huang, D Qiu, P Mateus - Quantum Information Processing, 2016 - Springer
We investigate the geometry of one-norm geometric quantum discord and present a
geometric interpretation of one-norm geometric quantum discord for a class of two-qubit …

Quantum coherence and correlation in spin models with Dzyaloshinskii-Moriya interaction

Z Huang, H Situ, C Zhang - International Journal of Theoretical Physics, 2017 - Springer
We study quantum coherence and quantum correlation for detecting quantum phase
transition (QPT) by means of quantum renormalization group (QRG) in various spin chain …

Measurement-induced disturbance and negativity in mixed-spin XXZ model

S Xu, X Song, L Ye - Quantum information processing, 2014 - Springer
In this paper, we investigate the quantum phase transition (QTP) and quantum correlation in
the one-dimensional mixed-spin (1/2, 1) XXZ model with Dzyaloshinskii–Moriya (DM) …

Renormalization of magic and quantum phase transition in spin models

J He, S Fu - Quantum Information Processing, 2023 - Springer
The interplay of quantum information theory and condensed matter physics has generated
fruitful results, which promote our understanding of quantum phase transition. Magic, as a …

Analytic renormalized bipartite and tripartite quantum discords with quantum phase transition in XXZ spins chain

W Joya, S Khan, M Khalid Khan, S Alam - The European Physical Journal …, 2017 - Springer
The behavior of bipartite quantum discord (BQD) and tripartite quantum discord (TQD) in the
Heisenberg XXZ spins chain is investigated with the increasing size of the system using the …

Renormalization of the global quantum correlation and monogamy relation in the anisotropic Heisenberg XXZ model

M Qin, ZZ Ren, X Zhang - Quantum Information Processing, 2016 - Springer
In this study, the global quantum correlation, monogamy relation and quantum phase
transition of the Heisenberg XXZ model are investigated by the method of quantum …

Negativity, Quantum Entanglement in the Two-dimensional Generalized Hubbard Model

LS Lima - International Journal of Theoretical Physics, 2023 - Springer
Quantum correlation and entanglement in the two-dimensional generalized Hubbard model,
which is an important model for superconductors of high critical temperature (high-T c) are …

Quantum correlation of qubit-reservoir system in dissipative environments

T Wu, J Shi, L Yu, J He, L Ye - Scientific Reports, 2017 - nature.com
In this work, the dynamics of quantum correlation (QC) in terms of geometric discord and its
transfer coupled with dissipative reservoirs are investigated. Taken two canonical cases …

Universal quantum correlation close to quantum critical phenomena

M Qin, ZZ Ren, X Zhang - Scientific Reports, 2016 - nature.com
We study the ground state quantum correlation of Ising model in a transverse field (ITF) by
implementing the quantum renormalization group (QRG) theory. It is shown that various …