Entanglement witness and linear entropy in an open system influenced by FG noise

AU Rahman, S Haddadi, M Javed, LT Kenfack… - Quantum Information …, 2022 - Springer
We investigate the behavior of tripartite entanglement and entropy disorder in three non-
interacting qubits that are first prepared in a mixture state containing Greenberger–Horne …

Dynamics and protection of quantum correlations in a qubit–qutrit system subjected locally to a classical random field and colored noise

LT Kenfack, M Tchoffo, M Javed, LC Fai - Quantum Information Processing, 2020 - Springer
This paper investigates the evolution and protection of quantum correlations (entanglement
and quantum discord (QD) in particular), in a hybrid system formed by a qubit subjected to …

Dynamics of entanglement and state-space trajectories followed by a system of four-qubit in the presence of random telegraph noise: common environment (CE) …

LT Kenfack, M Tchoffo, MN Jipdi… - Journal of Physics …, 2018 - iopscience.iop.org
The paper investigates the dynamics of entanglement and explores some geometrical
characteristics of the trajectories in state space, in four-qubit Greenberger-Horne-Zeilinger …

Hybrid Field Perspectives on Coherence and Entanglement in Qubit-Qutrit Dynamics

SA Khan, S Khan, M Javed, Z Ali - International Journal of Theoretical …, 2024 - Springer
In modern quantum information, the associated protocols highly rely upon qubit-qutrit
systems which offer enhanced robustness to decoherence and greater encoding …

Spontaneous decay of artificial atoms in a three-qubit system

YS Greenberg, AA Shtygashev, AG Moiseev - The European Physical …, 2021 - Springer
We study the evolution of qubits amplitudes in a one-dimensional chain consisting of three
equidistantly spaced noninteracting qubits embedded in an open waveguide. The study is …

[HTML][HTML] Decoherence and protection of entanglement of a system of three qubits driven by a classical Gaussian distributed fluctuating field

LT Kenfack, M Tchoffo, LC Fai - Physics Letters A, 2018 - Elsevier
We consider a system of three uncoupled entangled qubits undergoing a decoherence
process (DP) induced by a classical environmental noise portrayed by a Gaussian …

Decoherence of a two-qubit system interacting with initially correlated random telegraph noises

M Ban - Quantum Information Processing, 2020 - Springer
Decoherence of a two-qubit system is studied in terms of an exactly solvable dephasing
model. In this model, the two qubits are influenced by the random telegraph noises (RTNs) …

Leggett-Garg inequality and quantumness under the influence of random telegraph noise

M Ban - International Journal of Theoretical Physics, 2019 - Springer
The violation of the Leggett-Garg inequality and the quantum witness of a two-level system
are investigated under the influence of stochastic dephasing which is described by a non …

The influence of mixed classical dephasing noisy channels on the dynamics of two-qubit correlations

L Ali, A ur Rahman, M Imran, R Islam, M Ikram… - Optical and Quantum …, 2023 - Springer
In two independent local transmitting channels, we investigate the dynamics of entropy
disorder, purity, and entanglement negativity in a two-qubit system with mixed static (STC) …

Effects of classical random external field on the dynamics of entanglement in a four-qubit system

EC Fosso, FT Nya, LT Kenfack, M Tchoffo - Chinese Physics B, 2021 - iopscience.iop.org
We investigate the dynamics of entanglement through negativity and witness operators in a
system of four non-interacting qubits driven by a classical phase noisy laser characterized …