Quantum‐Memory‐Assisted Entropic Uncertainty Relations

D Wang, F Ming, ML Hu, L Ye - Annalen der Physik, 2019 - Wiley Online Library
Uncertainty relations take a crucial and fundamental part in the frame of quantum theory,
and are bringing on many marvelous applications in the emerging field of quantum …

Optimized entropic uncertainty relations for multiple measurements

BF **e, F Ming, D Wang, L Ye, JL Chen - Physical Review A, 2021 - APS
Recently, an entropic uncertainty relation for multiple measurements was proposed by Liu et
al.[Phys. Rev. A 91, 042133 (2015) 10.1103/PhysRevA. 91.042133]. However, the lower …

Quantum-memory-assisted entropic uncertainty principle, teleportation, and entanglement witness in structured reservoirs

ML Hu, H Fan - Physical Review A—Atomic, Molecular, and Optical …, 2012 - APS
We relate the principle of quantum-memory-assisted entropic uncertainty to quantum
teleportation and show geometrically that any two-qubit state which lowers the upper bound …

Competition between quantum correlations in the quantum-memory-assisted entropic uncertainty relation

ML Hu, H Fan - Physical Review A—Atomic, Molecular, and Optical …, 2013 - APS
With the aid of a quantum memory, the uncertainty about the measurement outcomes of two
incompatible observables of a quantum system can be reduced. We investigate this …

Upper bound and shareability of quantum discord based on entropic uncertainty relations

ML Hu, H Fan - Physical Review A—Atomic, Molecular, and Optical …, 2013 - APS
By using the quantum-memory-assisted entropic uncertainty relation (EUR), we derive a
computable tight upper bound for quantum discord, which applies to an arbitrary bipartite …

Entropic uncertainty relations for Markovian and non-Markovian processes under a structured bosonic reservoir

D Wang, AJ Huang, RD Hoehn, F Ming, WY Sun… - Scientific reports, 2017 - nature.com
The uncertainty relation is a fundamental limit in quantum mechanics and is of great
importance to quantum information processing as it relates to quantum precision …

Dynamical characteristic of measurement uncertainty under Heisenberg spin models with Dzyaloshinskii–Moriya interactions

YY Yang, WY Sun, WN Shi, F Ming, D Wang, L Ye - Frontiers of Physics, 2019 - Springer
The dynamics of measurement's uncertainty via entropy for a one-dimensional Heisenberg
XYZ mode is examined in the presence of an inhomogeneous magnetic field and …

[HTML][HTML] Characterization of dynamical measurement's uncertainty in a two-qubit system coupled with bosonic reservoirs

MN Chen, D Wang, L Ye - Physics Letters A, 2019 - Elsevier
We study the dynamical characteristics of the entropy-based uncertainty with regard to a pair
of incompatible measurements under a bipartite qubit-system suffering from quantum …

Quantum-memory-assisted entropic uncertainty relation in a Heisenberg XYZ chain with an inhomogeneous magnetic field

D Wang, A Huang, F Ming, W Sun, H Lu… - Laser Physics …, 2017 - iopscience.iop.org
The uncertainty principle provides a nontrivial bound to expose the precision for the
outcome of the measurement on a pair of incompatible observables in a quantum system …

Exploration of quantum-memory-assisted entropic uncertainty relations in a noninertial frame

D Wang, F Ming, AJ Huang, WY Sun, JD Shi… - Laser Physics …, 2017 - iopscience.iop.org
The uncertainty principle offers a bound to show accuracy of the simultaneous measurement
outcome for two incompatible observables. In this letter, we investigate quantum-memory …