Quantum metrology and sensing with many-body systems
The main power of quantum sensors is achieved when the probe is composed of several
particles. In this situation, quantum features such as entanglement contribute in enhancing …
particles. In this situation, quantum features such as entanglement contribute in enhancing …
Experimental realization of quantum state engineering with single photons
Fully controlling the transformation of an arbitrary quantum state to a predesigned state is a
crucial technology in quantum information processing. Despite numerous efforts in pursuit of …
crucial technology in quantum information processing. Despite numerous efforts in pursuit of …
-symmetric quantum sensing: Advantages and restrictions
YY Wang, CW Wu, W Wu, PX Chen - Physical Review A, 2024 - APS
Quantum sensing utilizing unique quantum properties of non-Hermitian systems to realize
ultraprecision measurements has been attracting increasing attention. However, the debate …
ultraprecision measurements has been attracting increasing attention. However, the debate …
The robustness of entanglement in non-Hermitian cavity optomechanical system even away from exceptional points
JJ Wang, YH He, CG Liao, RX Chen… - arXiv preprint arXiv …, 2024 - arxiv.org
Quantum physics can be extended into the complex domain by considering non-Hermitian
Hamiltonians that are $\mathcal {PT} $-symmetric. These exhibit exceptional points (EPs) …
Hamiltonians that are $\mathcal {PT} $-symmetric. These exhibit exceptional points (EPs) …
Non-equilibrium dynamics of localization phase transition in the non-Hermitian Disorder-Aubry-Andr\'{e} model
YM Sun, XY Wang, LJ Zhai - arXiv preprint arXiv:2411.12540, 2024 - arxiv.org
The driven dynamics of localization transitions in a non-Hermitian Disorder-Aubry-
Andr\'{e}(DAA) model are thoroughly examined under both open boundary conditions (OBC) …
Andr\'{e}(DAA) model are thoroughly examined under both open boundary conditions (OBC) …
Noisy Stark probes as quantum-enhanced sensors
Wannier-Stark localization has been proven to be a resource for quantum-enhanced
sensitivity with super-Heisenberg scaling. An extremely promising feature of such probes …
sensitivity with super-Heisenberg scaling. An extremely promising feature of such probes …
[PDF][PDF] Quantum Metrology and Sensing with Many-Body Systems
The rapidly emerging quantum technologies are expected to revolutionize our lives in the
coming decades [1]. In a broad sense, quantum technologies are developed in three …
coming decades [1]. In a broad sense, quantum technologies are developed in three …