Results 41 to 50 of about 20,860 (278)
Quantum contextuality for a relativistic spin-1/2 particle
The quantum predictions for a single nonrelativistic spin-1/2 particle can be reproduced by noncontextual hidden variables. Here we show that quantum contextuality for a relativistic electron moving in a Coulomb potential naturally emerges if ...
Adán Cabello +11 more
core +1 more source
Quantum contextuality of a single neutrino under interactions with matter
We study contextuality of the three neutrinos oscillations using the Klyachko–Can–Binicioglu–Shumovsky 5-observable test. We show how the interaction between neutrinos and normal matter affects contextuality—its loss and its possible revivals.
Monika Richter-Laskowska +2 more
doaj +1 more source
Logical and inequality based contextuality for qudits
In this work we present a generalization of the recently developed Hardy-like logical proof of contextuality and of the so-called KCBS contextuality inequality for any qudit of dimension greater than three. Our approach uses compatibility graphs that can
Diamanti, Eleni +3 more
core +2 more sources
Necessary and sufficient conditions for state-independent measurement contextual scenarios
The problem of identifying measurement scenarios capable of revealing state-independent contextuality in a given Hilbert space dimension is considered.
Horodecki, Pawel +1 more
core +1 more source
Logical pre- and post-selection paradoxes are proofs of contextuality [PDF]
If a quantum system is prepared and later post-selected in certain states, "paradoxical" predictions for intermediate measurements can be obtained. This is the case both when the intermediate measurement is strong, i.e.
Matthew F. Pusey, Matthew S. Leifer
doaj +1 more source
A Combinatorial Approach to Nonlocality and Contextuality
So far, most of the literature on (quantum) contextuality and the Kochen-Specker theorem seems either to concern particular examples of contextuality, or be considered as quantum logic.
Acín, Antonio +3 more
core +3 more sources
ABSTRACT Background Nurses are central to cancer care for children and adolescents, yet no comprehensive synthesis has defined essential core competencies for pediatric oncology nursing (PON) practice internationally, particularly in Latin America and the Caribbean (LAC).
Luís Carlos Lopes‐Júnior +7 more
wiley +1 more source
An Extension of Combinatorial Contextuality for Cognitive Protocols
This article extends the combinatorial approach to support the determination of contextuality amidst causal influences. Contextuality is an active field of study in Quantum Cognition, in systems relating to mental phenomena, such as concepts in human ...
Abdul Karim Obeid +8 more
doaj +1 more source
Quantum theory allows for absolute maximal contextuality
Contextuality is a fundamental feature of quantum theory and a necessary resource for quantum computation and communication. It is therefore important to investigate how large contextuality can be in quantum theory.
Amaral, Barbara +2 more
core +1 more source
Contextuality is a fundamental feature of quantum theory and is necessary for quantum computation and communication. Serious steps have therefore been taken towards a formal framework for contextuality as an operational resource.
Amaral, Barbara +3 more
core +3 more sources

