Collisional quantum thermometry
We introduce a general framework for thermometry based on collisional models, where
ancillas probe the temperature of the environment through an intermediary system. This …
ancillas probe the temperature of the environment through an intermediary system. This …
Experimental estimation of the quantum Fisher information from randomized measurements
The quantum Fisher information (QFI) represents a fundamental concept in quantum
physics. It quantifies the metrological potential of quantum states in quantum parameter …
physics. It quantifies the metrological potential of quantum states in quantum parameter …
Indistinguishability-enabled coherence for quantum metrology
Quantum coherence plays a fundamental and operational role in different areas of physics.
A resource theory has been developed to characterize the coherence of distinguishable …
A resource theory has been developed to characterize the coherence of distinguishable …
Intrinsic decoherence effects on correlated coherence and quantum discord in XXZ Heisenberg model
Spin qubits are at the heart of technological advances in quantum processors and offer an
excellent framework for quantum information processing. This work characterizes the time …
excellent framework for quantum information processing. This work characterizes the time …
Quantum coherence versus quantum-memory-assisted entropic uncertainty relation in a mixed spin-(1/2, 1) Heisenberg dimer
M Oumennana, M Mansour - Optical and Quantum Electronics, 2023 - Springer
We investigate the behavior of quantum coherence and quantum-memory-assisted entropic
uncertainty relation (QMA-EUR) in a mixed spin-(1/2, 1) Heisenberg dimer. We analyze the …
uncertainty relation (QMA-EUR) in a mixed spin-(1/2, 1) Heisenberg dimer. We analyze the …
Stochastic collisional quantum thermometry
We extend collisional quantum thermometry schemes to allow for stochasticity in the waiting
time between successive collisions. We establish that introducing randomness through a …
time between successive collisions. We establish that introducing randomness through a …
Surpassing the thermal Cramér-Rao bound with collisional thermometry
In collisional thermometry, a system in contact with the thermal bath is probed by a stream of
ancillas. Coherences and collective measurements were shown to improve the Fisher …
ancillas. Coherences and collective measurements were shown to improve the Fisher …
Enhancing precision of atomic clocks by tuning disorder in accessories
We find that a quantum device having an accessory involving precision measurement can
have an enhancement of its metrological precision in estimating an unknown parameter of …
have an enhancement of its metrological precision in estimating an unknown parameter of …
Quantum correlations and thermal coherence in a two-superconducting charge qubit system
M Benzahra, M Mansour, M Oumennana… - Laser …, 2023 - iopscience.iop.org
Superconducting charge qubits represent a cutting-edge technology in the field of quantum
computing, offering a promising platform for quantum processing. This study delves into the …
computing, offering a promising platform for quantum processing. This study delves into the …
Time fractional evolution of two dipolar-coupled spins under DM and KSEA interactions
A Chhieb, M Oumennana, M Mansour… - Optical and Quantum …, 2024 - Springer
This research investigates the time-fractional dynamics of two interacting dipolar spins in the
presence of the Dzyaloshinsky-Moriya (DM) and Kaplan-Shekhtman-Entin-Wohlman …
presence of the Dzyaloshinsky-Moriya (DM) and Kaplan-Shekhtman-Entin-Wohlman …