13 papers
Kinematic Control and Dephasing Dynamics of Quantum Resources in
Elhabib Jaloum, Omar Bachain, Mohamed Amazioug +1
We characterize several quantum resources carried by the spins of the pair produced in annihilation. At the Belle-II energy, $\sqrt{s}=10.579\,\mathrm{GeV…
Quantum Energy Storage versus Heat-to-Work Conversion in an Interacting Spin System
Omar Bachain, Mohamed Amazioug, Rachid Ahl Laamara
We investigate the energetic and thermodynamic performance of an interacting two-qubit system serving as both a quantum battery and a quantum Otto heat engine. The working medium i…
Multiparameter Quantum Metrology in Molecular Dimers
Omar Bachain, Mohamed Amazioug, Rachid Ahl Laamara
We investigate multiparameter quantum estimation in a molecular dimer composed of two dipole--dipole interacting two-level systems, focusing on the simultaneous estimation of tempe…
Multiparameter Quantum Estimation in a Raman-Coupled Two-Qubit System
Omar Bachain, Mohamed Amazioug, Rachid Ahl Laamara
We investigate multiparameter quantum estimation in a Raman-coupled two-qubit system at thermal equilibrium. Analytical expressions for the quantum Fisher information matrix are de…
Environmental Memory Effects and Quantum Resource Hierarchies in Polarized Hyperon--Antihyperon Systems
Omar Bachain, Mohamed Amazioug, Rachid Ahl Laamara
Hyperon--antihyperon pairs produced in () constitute a unique high-energy platform for probing quantum correl…
Multiparameter quantum estimation and entanglement in top--antitop quark production
Omar Bachain, Elhabib Jaloum, Mohamed Amazioug +1
We investigate the interplay between quantum correlations and multiparameter quantum estimation in top--antitop quark pair production through the gluon-fusion channel. Using the sp…
Characterizing quantum correlations and quantum teleportation in and processes under noisy channels
Elhabib Jaloum, Omar Bachain, Mohamed Amazioug +4
The measurement of top-quark spin correlations provides a key tool for probing its interactions with high precision. Owing to its extremely short lifetime ( s), the…
Dephasing Effects on the Dynamical Evolution of Quantum Correlations and Coherence in Neutrino Oscillations
Omar Bachain, Elhabib Jaloum, Mohamed Amazioug +4
Neutrino oscillations confirm the presence of mode entanglement, as each flavor eigenstate is composed of a coherent superposition of distinct mass eigenstates. In this work, we in…
Entanglement and Quantum Coherence in Coupled Double Quantum Dots under Markovian and Non-Markovian Noisy Channels
Omar Bachain, Mohamed Amazioug, Nawal K. Almaymoni +3
Quantum dots are nanometer-scale semiconductor particles that exhibit size-dependent quantum mechanical properties. In this work, we investigate the dynamics of quantum correlation…
Mass-correction-induced enhancement of quantum correlations even beyond entanglement in the process at the BESIII experiment under memory effects
Elhabib Jaloum, Omar Bachain, Mohamed Amazioug +4
In this work, we derive the bipartite density matrix for the process at BESIII. We evaluate the impact of mass…
Multiparameter quantum estimation and Stirling Engine Performance in a Gravitational Cat State System
Omar Bachain, Mohamed Amazioug, Rachid Ahl Laamara
We investigate the multiparameter quantum estimation and quantum thermodynamics properties of a gravitational cat state (gravcat) system composed of two interacting massive particl…
Optimal multiparameter quantum estimation in accelerating Unruh-DeWitt detectors
Omar Bachain, Elhabib Jaloum, Mohamed Amazioug +3
The quantum Fisher information matrix (QFIM) is central to multiparameter quantum metrology, dictating the attainable sensitivity via the quantum Cramér-Rao bound. In this work, we…
Quantum thermodynamics, quantum correlations and quantum coherence in accelerating Unruh-DeWitt detectors in both steady and dynamical state
Omar Bachain, Mohamed Amazioug, Rachid Ahl Laamara +4
We investigate the interplay between quantum thermodynamics, quantum correlations, and quantum coherence within the framework of the Unruh-DeWitt (UdW) detector model. By analyzing…