Quantum-memory-assisted entropic uncertainty, teleportation, and quantum discord under decohering environments

MR Pourkarimi, S Haddadi - Laser Physics Letters, 2020 - iopscience.iop.org
The one-qubit teleportation protocol is one of the most well-known topics of quantum
information theory. Indeed, the goal of this quantum protocol is to teleport an arbitrary …

Exploring entropic uncertainty relation and dense coding capacity in a two-qubit X-state

S Haddadi, M Ghominejad, A Akhound… - Laser Physics …, 2020 - iopscience.iop.org
The measurement precision for two incompatible observables in a typical quantum system
can be improved by the aid of one particle as a quantum memory. In this work, we study the …

Entropic uncertainty relation and quantum coherence under Ising model with Dzyaloshinskii–Moriya interaction

S Haddadi, M Ghominejad, A Akhound… - Laser Physics …, 2021 - iopscience.iop.org
Abstract Recently, Ming et al (Quantum Inf Process 17 267, 2018) have investigated the
entropic uncertainty relation in the presence of quantum memory (EUR-QM) and quantum …

Quantum correlations and quantum-memory-assisted entropic uncertainty relation in two kinds of spin squeezing models

S Haddadi, MR Pourkarimi, A Akhound… - Laser Physics …, 2019 - iopscience.iop.org
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 …

Quantum correlation via skew information and Bell function beyond entanglement in a two-qubit Heisenberg XYZ model: effect of the phase damping

ABA Mohamed, A Farouk, MF Yassen, H Eleuch - Applied Sciences, 2020 - mdpi.com
In this paper, we analyze the dynamics of non-local correlations (NLCs) in an anisotropic
two-qubit Heisenberg XYZ model under the effect of the phase damping. An analytical …

Entropic uncertainty lower bound for a two-qubit system coupled to a spin chain with Dzyaloshinskii–Moriya interaction

S Haseli, S Haddadi, MR Pourkarimi - Optical and Quantum Electronics, 2020 - Springer
The uncertainty principle is one of the key concepts in quantum theory. This principle states
that it is not possible to measure two incompatible observables simultaneously and …

Thermal quantum correlations in a two-dimensional spin star model

S Haddadi, MR Pourkarimi, A Akhound… - … Physics Letters A, 2019 - World Scientific
In this paper, we study the thermal evolution of three types of quantum correlations under the
homogeneous and inhomogeneous spin star Hamiltonian. It is shown that quantum discord …

Quantum-memory-assisted entropic uncertainty in two-qubit Heisenberg XYZ chain with Dzyaloshinskii–Moriya interactions and effects of intrinsic decoherence

Y Zhang, Q Zhou, M Fang, G Kang, X Li - Quantum Information Processing, 2018 - Springer
Quantum-memory-assisted entropic uncertainty relation (QMA-EUR) in two-qubit
Heisenberg XYZ spin chain model with Dzyaloshinskii–Moriya (DM) interaction has been …

Quantum correlations and entropic uncertainty relation in a three-qubit spin chain under the effect of magnetic field and DM interaction

MR Pourkarimi - International Journal of Quantum Information, 2018 - World Scientific
In this paper, we study the thermal dynamics of quantum correlations and uncertainty
relation in a three-qubit spin chain under the effect of Hamiltonian XY model, Dzyaloshinskii …

Analyzing entropic uncertainty bound in two qubits coupled to a spin environment

S Haddadi, S Haseli, MR Pourkarimi… - Physica …, 2021 - iopscience.iop.org
By assuming a general pure state and a mixed Werner state as two initial states, we
investigate the time evolution of entropic uncertainty bound in the presence of quantum …