[HTML][HTML] Local quantum Fisher information and local quantum uncertainty for general X states

MA Yurischev, S Haddadi - Physics Letters A, 2023 - Elsevier
Abstract A two-spin-1/2 Heisenberg XYZ model with Dzyaloshinsky–Moriya (DM) and
Kaplan–Shekhtman–Entin-Wohlman–Aharony (KSEA) interactions in the presence of an …

Quantum teleportation and dynamics of quantum coherence and metrological non-classical correlations for open two-qubit systems

Y Dakir, A Slaoui, ABA Mohamed, RA Laamara… - Scientific Reports, 2023 - nature.com
We investigate the dynamics of non-classical correlations and quantum coherence in open
quantum systems by employing metrics like local quantum Fisher information, local quantum …

Behavior of quantum discord, local quantum uncertainty, and local quantum Fisher information in two-spin-1/2 Heisenberg chain with DM and KSEA interactions

AV Fedorova, MA Yurischev - Quantum Information Processing, 2022 - Springer
A two-qubit Heisenberg XYZ model with Dzyaloshinsky–Moriya (DM) and Kaplan–
Shekhtman–Entin-Wohlman–Aharony (KSEA) interactions is considered at thermal …

Analytical techniques in single and multi-parameter quantum estimation theory: a focused review

A Slaoui, LB Drissi, EH Saidi, RA Laamara - arxiv preprint arxiv …, 2022 - arxiv.org
As we enter the era of quantum technologies, quantum estimation theory provides an
operationally motivating framework for determining high precision devices in modern …

Estimating phase parameters of a three-level system interacting with two classical monochromatic fields in simultaneous and individual metrological strategies

NE Abouelkhir, A Slaoui, H El Hadfi… - Journal of the Optical …, 2023 - opg.optica.org
Recently, the Hilbert–Schmidt speed, as a special class of quantum statistical speed, has
been reported to improve interferometric phase in a single-parameter quantum estimation …

Metrologically resourceful multipartite entanglement under quantum many-body effects

U Khalid, J ur Rehman, H Shin - Quantum Science and …, 2021 - iopscience.iop.org
In traditional quantum metrology protocols, the initial multipartite entangled pure quantum
probes are considered to be isolated, ie, free of quantum many-body effects. Here, we study …

A simple analytical expression of quantum Fisher and Skew information and their dynamics under decoherence channels

N Abouelkhir, HEL Hadfi, A Slaoui… - Physica A: Statistical …, 2023 - Elsevier
In statistical estimation theory, it has been shown previously that the Wigner–Yanase skew
information is bounded by the quantum Fisher information associated with the phase …

[HTML][HTML] Thermal local quantum uncertainty in a two-qubit-superconducting system under decoherence

MR Pourkarimi, S Haddadi, M Nashaat… - Alexandria Engineering …, 2023 - Elsevier
By considering the local quantum uncertainty (LQU) as a measure of quantum correlations,
the thermal evolution of a two-qubit-superconducting system is investigated. We show that …

Interferometric phase estimation and quantum resource dynamics in Bell coherent-state superpositions generated via a unitary beam splitter

A Slaoui, B Amghar, R Ahl Laamara - Journal of the Optical Society …, 2023 - opg.optica.org
Beam splitters are optical elements widely used in modern technological applications to split
the initial light beam into a required number of beams, and they play a very promising role …

A comparative study of LQU and LQFI in general qubit-qutrit axially symmetric states

MA Yurischev, S Haddadi, M Ghominejad - Scientific Reports, 2025 - nature.com
We derive the compact closed forms of local quantum uncertainty (LQU) and local quantum
Fisher information (LQFI) for hybrid qubit-qutrit axially symmetric (AS) states. This allows us …