Quantum steering

R Uola, ACS Costa, HC Nguyen, O Gühne - Reviews of Modern Physics, 2020 - APS
Quantum correlations between two parties are essential for the argument of Einstein,
Podolsky, and Rosen in favor of the incompleteness of quantum mechanics. Schrödinger …

Quantum steering: Practical challenges and future directions

Y **ang, S Cheng, Q Gong, Z Ficek, Q He - PRX Quantum, 2022 - APS
Einstein-Rosen-Podolsky (EPR) steering or quantum steering describes the “spooky action
at a distance” that one party is able to remotely alter the states of the other if they share a …

Non-classical correlations in quantum mechanics and beyond

L Lami - arxiv preprint arxiv:1803.02902, 2018 - arxiv.org
Is entanglement an exclusive feature of quantum systems, or is it common to all non-
classical theories? And if this is the case, how strong is quantum mechanical entanglement …

Multipartite Gaussian steering: Monogamy constraints and quantum cryptography applications

Y **ang, I Kogias, G Adesso, Q He - Physical Review A, 2017 - APS
We derive laws for the distribution of quantum steering among different parties in multipartite
Gaussian states under Gaussian measurements. We prove that a monogamy relation akin to …

Demonstration of monogamy relations for Einstein-Podolsky-Rosen steering in Gaussian cluster states

X Deng, Y **ang, C Tian, G Adesso, Q He, Q Gong… - Physical Review Letters, 2017 - APS
Understanding how quantum resources can be quantified and distributed over many parties
has profound applications in quantum communication. As one of the most intriguing features …

Optimal Gaussian measurements for phase estimation in single-mode Gaussian metrology

C Oh, C Lee, C Rockstuhl, H Jeong, J Kim… - npj Quantum …, 2019 - nature.com
The central issue in quantum parameter estimation is to find out the optimal measurement
setup that leads to the ultimate lower bound of an estimation error. We address here a …

Schur complement inequalities for covariance matrices and monogamy of quantum correlations

L Lami, C Hirche, G Adesso, A Winter - Physical review letters, 2016 - APS
We derive fundamental constraints for the Schur complement of positive matrices, which
provide an operator strengthening to recently established information inequalities for …

Shareability of steering in 2-producible states

QC Song, TJ Baker, HM Wiseman - Physical Review A, 2023 - APS
Quantum steering is the phenomenon whereby one party (Alice) proves entanglement by
“steering” the system of another party (Bob) into distinct ensembles of states, by performing …

Entanglement improvement via a quantum scissor in a realistic environment

L Hu, M Al-Amri, Z Liao, MS Zubairy - Physical Review A, 2019 - APS
We propose a protocol for improving quantum entanglement based on a quantum scissor
scheme [DT Pegg, Phys. Rev. Lett. 81, 1604 (1998) PRLTAO 0031-9007 …

Investigating Einstein-Podolsky-Rosen steering of continuous-variable bipartite states by non-Gaussian pseudospin measurements

Y **ang, B Xu, L Mišta Jr, T Tufarelli, Q He, G Adesso - Physical Review A, 2017 - APS
Einstein-Podolsky-Rosen (EPR) steering is an asymmetric form of correlations which is
intermediate between quantum entanglement and Bell nonlocality, and can be exploited as …