251 citations · 1.8k across the 79 of their papers we have counts for
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Many-body -local ground states as probes for unitary quantum metrology
Majid Hassani, Mengyao Hu, Guillem Müller-Rigat +2
Multipartite quantum states saturating the Heisenberg limit of sensitivity typically require full-body correlators to be prepared. On the other hand, experimentally practical Hamil…
Detection of non-Gaussian quantum correlations through measurement-after-interaction protocols
Jiajie Guo, Feng-Xiao Sun, Matteo Fadel +1
Additional state evolutions performed before measurement, also called measurement-after-interactions (MAI) protocols, have shown a great potential for increasing the sensitivity of…
Witnessing genuine multipartite entanglement in phase space with controlled Gaussian unitaries
Lin Htoo Zaw, Jiajie Guo, Qiongyi He +2
Many existing genuine multipartite entanglement (GME) witnesses for continuous-variable (CV) quantum systems typically rely on quadrature measurements, which are challenging to imp…
Sufficient Wigner Negativity Implies Genuine Multipartite Entanglement
Lin Htoo Zaw, Jiajie Guo, Qiongyi He +2
Wigner negativity and genuine multipartite entanglement (GME) are key nonclassical resources that enable computational advantages and broader quantum-information tasks. In this wor…
Entanglement Dimensionality of Continuous Variable States From Phase-Space Quasi-Probabilities
Shuheng Liu, Jiajie Guo, Matteo Fadel +3
The dimensionality of entanglement, quantified by the Schmidt number, is a core resource for quantum information processing. While its certification is well-established in finite-d…
Ultracold Mechanical Quantum Sensor for Tests of New Physics
Andraz Omahen, Simon Storz, Marius Bild +3
Initialization of mechanical modes in the quantum ground state is crucial for their use in quantum information and quantum sensing protocols. In quantum processors, impurity of the…
Distributed quantum sensing with measurement-after-interaction strategies
Jiajie Guo, Shuheng Liu, Matteo Fadel +1
We investigate multiparameter quantum estimation protocols based on measurement-after-interaction (MAI) strategies, in which the probe state undergoes an additional evolution prior…
Macroscopic quantum coherence and entanglement in mechanical systems
Benjamin Yadin, Matteo Fadel
The notion of a macroscopic quantum state must be pinned down in order to assess how well experiments probe the large-scale limits of quantum mechanics. However, the issue of quant…
Exceptional-Point-Induced Nonequilibrium Entanglement Dynamics in Bosonic Networks
Chenghe Yu, Mingsheng Tian, Ningxin Kong +3
Exceptional points (EPs), arising in non-Hermitian systems, have garnered significant attention in recent years, enabling advancements in sensing, wave manipulation, and mode selec…
Uncertainty relations between quantum Fisher information and entanglement monotones
Shaowei Du, Shuheng Liu, Matteo Fadel +2
Entanglement is widely regarded as an essential resource for a number of tasks and can in some cases be quantified by figures of merit related to those tasks. In quantum metrology,…