Universal shot-noise limit for quantum metrology with local Hamiltonians
Quantum many-body interactions can induce quantum entanglement among particles,
rendering them valuable resources for quantum-enhanced sensing. In this work, we …
rendering them valuable resources for quantum-enhanced sensing. In this work, we …
Optimality and Noise Resilience of Critical Quantum Sensing
We compare critical quantum sensing to passive quantum strategies to perform frequency
estimation, in the case of single-mode quadratic Hamiltonians. We show that, while in the …
estimation, in the case of single-mode quadratic Hamiltonians. We show that, while in the …
Quantum metrology enhanced by the spin interaction in a generalized Tavis-Cummings model
Quantum metrology is recognized for its capability to offer high-precision estimation by
utilizing quantum resources, such as quantum entanglement. Here, we propose a …
utilizing quantum resources, such as quantum entanglement. Here, we propose a …
[HTML][HTML] Quantum entanglement enhanced in hybrid cavity–magnon optomechanical systems
QM Wan, YH Lin, LJ Cong, RC Yang, HY Liu - Results in Physics, 2024 - Elsevier
We propose a hybrid cavity–magnon optomechanical system incorporating mechanical
nonlinearity to enhance both bipartite and tripartite entanglement. This system consists of a …
nonlinearity to enhance both bipartite and tripartite entanglement. This system consists of a …
Collective quantum enhancement in critical quantum sensing
U Alushi, A Coppo, V Brosco, R Di Candia… - arXiv preprint arXiv …, 2024 - arxiv.org
Critical systems represent a valuable resource in quantum sensing and metrology. Critical
quantum sensing (CQS) protocols can be realized using finite-component phase transitions …
quantum sensing (CQS) protocols can be realized using finite-component phase transitions …