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Contextuality, Complementarity, Signaling, and Bell Tests
Entropy, 2022 This is a review devoted to the complementarity–contextuality interplay with connection to the Bell inequalities. Starting the discussion with complementarity, I point to contextuality as its seed.
Andrei Khrennikov
exaly +3 more sources
Contextuality in Collective Intelligence: Not There Yet [PDF]
Entropy, 2023 Type I contextuality or inconsistent connectedness is a fundamental feature of both the classical as well as the quantum realms. Type II contextuality (true contextuality or CHSH-type contextuality) is frequently asserted to be specific to the quantum ...
William Sulis, Ali Khan
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Degrees, Levels, and Profiles of Contextuality [PDF]
EntropyWe introduce a new notion, that of a contextuality profile of a system of random variables. Rather than characterizing a system’s contextuality by a single number, its overall degree of contextuality, we show how it can be characterized by a curve ...
Ehtibar N. Dzhafarov +1 more
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Violation of Leggett–Garg Inequality in Perceiving Cup-like Objects and Cognitive Contextuality [PDF]
EntropyThis paper is devoted to an experimental investigation of cognitive contextuality inspired by quantum contextuality research. This contextuality is related to, but not identical to context-sensitivity which is well-studied in cognitive psychology and ...
Likan Zhan +2 more
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Chromatic Quantum Contextuality [PDF]
EntropyChromatic quantum contextuality is a criterion of quantum nonclassicality based on (hyper)graph coloring constraints. If a quantum hypergraph requires more colors than the number of outcomes per maximal observable (context), it lacks a classical ...
Karl Svozil
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Hypergraph framework for irreducible noncontextuality inequalities from logical proofs of the Kochen-Specker theorem [PDF]
Quantum, 2020 Kochen-Specker (KS) theorem reveals the inconsistency between quantum theory and any putative underlying model of it satisfying the constraint of KS-noncontextuality.
Ravi Kunjwal
doaj +1 more source
Quantum, 2023 Quantum contextual sets have been recognized as resources for universal quantum computation, quantum steering and quantum communication. Therefore, we focus on engineering the sets that support those resources and on determining their structures and ...
Mladen Pavicic
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Homotopical approach to quantum contextuality [PDF]
Quantum, 2020 We consider the phenomenon of quantum mechanical contextuality, and specifically parity-based proofs thereof. Mermin’s square and star are representative examples.
Cihan Okay, Robert Raussendorf
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Assumption-Free Derivation of the Bell-Type Criteria of Contextuality/Nonlocality
Entropy, 2021 Bell-type criteria of contextuality/nonlocality can be derived without any falsifiable assumptions, such as context-independent mapping (or local causality), free choice, or no-fine-tuning.
Ehtibar N. Dzhafarov
doaj +1 more source
State-independent test of quantum contextuality with either single photons or coherent light
npj Quantum Information, 2021 Contextuality is a phenomenon at the heart of quantum mechanics different from classical behavior and has been recently identified as a resource in quantum information processing. Experimental demonstration of contextuality is thus an important goal.
Dengke Qu +4 more
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