Semidefinite programming relaxations for quantum correlations

A Tavakoli, A Pozas-Kerstjens, P Brown… - Reviews of Modern Physics, 2024 - APS
Semidefinite programs are convex optimization problems involving a linear objective
function and a domain of positive-semidefinite matrices. Over the past two decades, they …

Bell nonlocality

N Brunner, D Cavalcanti, S Pironio, V Scarani… - Reviews of modern …, 2014 - APS
Bell's 1964 theorem, which states that the predictions of quantum theory cannot be
accounted for by any local theory, represents one of the most profound developments in the …

Information causality as a physical principle

M Pawłowski, T Paterek, D Kaszlikowski, V Scarani… - Nature, 2009 - nature.com
Quantum physics has remarkable distinguishing characteristics. For example, it gives only
probabilistic predictions (non-determinism) and does not allow copying of unknown states …

Specker's parable of the overprotective seer: A road to contextuality, nonlocality and complementarity

YC Liang, RW Spekkens, HM Wiseman - Physics Reports, 2011 - Elsevier
In 1960, the mathematician Ernst Specker described a simple example of nonclassical
correlations, the counter-intuitive features of which he dramatized using a parable about a …

Nonlocality beyond quantum mechanics

S Popescu - Nature Physics, 2014 - nature.com
Nonlocality is the most characteristic feature of quantum mechanics, but recent research
seems to suggest the possible existence of nonlocal correlations stronger than those …

Almost quantum correlations

M Navascués, Y Guryanova, MJ Hoban… - Nature communications, 2015 - nature.com
Quantum theory is not only successfully tested in laboratories every day but also constitutes
a robust theoretical framework: small variations usually lead to implausible consequences …

Photonic Source of Heralded Greenberger-Horne-Zeilinger States

H Cao, LM Hansen, F Giorgino, L Carosini, P Zahálka… - Physical Review Letters, 2024 - APS
Generating large multiphoton entangled states is of main interest due to enabling universal
photonic quantum computing and all-optical quantum repeater nodes. These applications …

Experimental test of nonlocality limits from relativistic independence

F Atzori, S Virzì, E Rebufello, A Avella, F Piacentini… - PRX Quantum, 2024 - APS
Quantum correlations, like entanglement, represent the characteristic trait of quantum
mechanics and pose essential issues and challenges to the interpretation of this pillar of …

Maximal violation of a bipartite three-setting, two-outcome Bell inequality using infinite-dimensional quantum systems

KF Pál, T Vértesi - Physical Review A—Atomic, Molecular, and Optical …, 2010 - APS
The I 3322 inequality is the simplest bipartite two-outcome Bell inequality beyond the
Clauser-Horne-Shimony-Holt (CHSH) inequality, consisting of three two-outcome …

[ΒΙΒΛΙΟ][B] Quantum theory: informational foundations and foils

G Chiribella, RW Spekkens - 2016 - Springer
The foundations of Quantum Mechanics are experiencing a golden age. In a timespan of
less than two decades, an astonishing number of new results, ideas, and frameworks have …