Protecting quantum resources via frequency modulation of qubits in leaky cavities

A Mortezapour, R Lo Franco - Scientific reports, 2018 - nature.com
Finding strategies to preserve quantum resources in open systems is nowadays a main
requirement for reliable quantum-enhanced technologies. We address this issue by …

Pairwise quantum correlations of a three-qubit XY chain with phase decoherence

ABA Mohamed - Quantum information processing, 2013 - Springer
Quantum correlations, including entanglement and discord with its geometric measure in a
three-qubit Heisenberg XY chain, with phase decoherence, are investigated when a …

Geometric measure of quantum discord in non-Markovian environments

F Altintas - Optics communications, 2010 - Elsevier
We study the dynamics of geometric measure of quantum discord between two non-
interacting qubits each immersed in its own non-Markovian environment with a spectal …

Non-local correlation and quantum discord in two atoms in the non-degenerate model

ABA Mohamed - Annals of Physics, 2012 - Elsevier
By using geometric quantum discord (GQD) and measurement-induced nonlocality (MIN),
quantum correlation is investigated for two atoms in the non-degenerate two-photon Tavis …

[HTML][HTML] Preserving steered coherence in bosonic reservoirs via auxiliary qubits and frequency detuning

YX Xie, YH Sun - Physics Letters A, 2024 - Elsevier
Average steered coherence (ASC) bridges the gap between quantum coherence and
quantum correlations and there exists nonlocal advantage of quantum coherence (NAQC) …

Discord and entanglement in non-Markovian environments at finite temperatures

HM Zou, MF Fang - Chinese Physics B, 2016 - iopscience.iop.org
The dynamic evolutions of the discord and entanglement of two atoms immersed in two
independent Lorentzian reservoirs at zero and finite temperatures have been investigated …

Geometric measure of nonlocality and quantum discord of two charge qubits with phase decoherence and dipole-dipole interaction

ABA Mohamed - Reports on Mathematical Physics, 2013 - Elsevier
The effects of both phase decoherence and dipole-dipole interaction on quantum
correlations of superconducting (SC) charge qubits, placed in a single-mode SC-cavity, are …

Coping with attenuation of quantum correlations of two qubit systems in dissipative environments: multi-photon transitions

S Golkar, MK Tavassoly - The European Physical Journal D, 2018 - Springer
In this paper we investigate the dynamics of entanglement and quantum discord, as two
measures of quantum correlation resources, between two effective two-level atoms …

Quantum discord dynamics of the GHZ state in Markovian environments

D Xue, MQ Bai, L Tang, ST Xiong… - International Journal of …, 2023 - World Scientific
In quantum mechanics, quantum discord is a valuable quantum resource. As a
generalization of the initial quantum discord, the multipartite quantum discord (MQD) …

Quantum Correlation in Three-Qubit Heisenberg Model with Dzyaloshinskii—Moriya Interaction

LJ Tian, YY Yan, LG Qin - Communications in Theoretical Physics, 2012 - iopscience.iop.org
We investigate the pairwise thermal quantum discord in a three-qubit XXZ model with
Dzyaloshinskii—Moriya (DM) interaction. We find that the effects of DM interaction on …