Semidefinite programming relaxations for quantum correlations
Semidefinite programs are convex optimization problems involving a linear objective
function and a domain of positive-semidefinite matrices. Over the past two decades, they …
function and a domain of positive-semidefinite matrices. Over the past two decades, they …
A review of quantum correlation sharing: The recycling of quantum correlations triggered by quantum measurements
Quantum correlation and quantum measurement are core issues in understanding the
quantum world. Revealing quantum correlations in microphysical systems through proper …
quantum world. Revealing quantum correlations in microphysical systems through proper …
Recycling qubits for the generation of Bell nonlocality between independent sequential observers
There is currently much interest in the recycling of entangled systems, for use in quantum
information protocols by sequential observers. In this work, we study the sequential …
information protocols by sequential observers. In this work, we study the sequential …
Sharing quantum nonlocality and genuine nonlocality with independent observables
T Zhang, SM Fei - Physical Review A, 2021 - APS
Recently the authors of Phys. Rev. Lett. 125, 090401 (2020) PRLTAO 0031-9007
10.1103/PhysRevLett. 125.090401 considered the following scenario: Alice and Bob each …
10.1103/PhysRevLett. 125.090401 considered the following scenario: Alice and Bob each …
Einstein-Podolsky-Rosen steering in two-sided sequential measurements with one entangled pair
Nonlocality and quantum measurement are two fundamental topics in quantum theory and
their interplay attracts intensive focuses since the discovery of Bell theorem. Recently …
their interplay attracts intensive focuses since the discovery of Bell theorem. Recently …
Experimental characterization of unsharp qubit observables and sequential measurement incompatibility via quantum random access codes
Unsharp measurements are increasingly important for foundational insights in quantum
theory and quantum information applications. Here, we report an experimental …
theory and quantum information applications. Here, we report an experimental …
Sharing nonlocality in a quantum network by unbounded sequential observers
Of late, there has been an upsurge of interest in studying the sequential sharing of various
forms of quantum correlations, viz., nonlocality, preparation contextuality, coherence, and …
forms of quantum correlations, viz., nonlocality, preparation contextuality, coherence, and …
Genuine Einstein-Podolsky-Rosen steering of three-qubit states by multiple sequential observers
We investigate the possibility of multiple uses of a single copy of a three-qubit state for
detecting genuine tripartite Einstein-Podolsky-Rosen (EPR) steering. A pure three-qubit …
detecting genuine tripartite Einstein-Podolsky-Rosen (EPR) steering. A pure three-qubit …
Characterizing midcircuit measurements on a superconducting qubit using gate set tomography
Measurements that occur within the internal layers of a quantum circuit—midcircuit
measurements—are a useful quantum-computing primitive, most notably for quantum error …
measurements—are a useful quantum-computing primitive, most notably for quantum error …
Detection of genuine tripartite entanglement by multiple sequential observers
We explore the possibility of multiple usage of a single genuine entangled state by
considering a scenario consisting of three spin-1 2 particles shared between Alice, Bob, and …
considering a scenario consisting of three spin-1 2 particles shared between Alice, Bob, and …