Contextuality, complementarity, signaling, and Bell tests

A Khrennikov - Entropy, 2022 - mdpi.com
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 …

Is the moon there if nobody looks: Bell inequalities and physical reality

M Kupczynski - Frontiers in Physics, 2020 - frontiersin.org
Bell-CHSH inequalities are trivial algebraic properties satisfied by each line of an Nx4
spreadsheet containing±1 entries, thus it is surprising that their violation in some …

Two faced Janus of quantum nonlocality

A Khrennikov - Entropy, 2020 - mdpi.com
This paper is a new step towards understanding why “quantum nonlocality” is a misleading
concept. Metaphorically speaking,“quantum nonlocality” is Janus faced. One face is an …

Is the Devil in h?

A Khrennikov - Entropy, 2021 - mdpi.com
This note is a part of my effort to rid quantum mechanics (QM) nonlocality. Quantum
nonlocality is a two faced Janus: one face is a genuine quantum mechanical nonlocality …

Conditional probability framework for entanglement and its decoupling from tensor product structure

I Basieva, A Khrennikov - Journal of Physics A: Mathematical and …, 2022 - iopscience.iop.org
Our aim is to make a step toward clarification of foundations for the notion of entanglement
(both physical and mathematical) by representing it in the conditional probability framework …

Contextuality or Nonlocality: What Would John Bell Choose Today?

M Kupczynski - Entropy, 2023 - mdpi.com
A violation of Bell-CHSH inequalities does not justify speculations about quantum non-
locality, conspiracy and retro-causation. Such speculations are rooted in a belief that setting …

Entanglement of observables: quantum conditional probability approach

A Khrennikov, I Basieva - Foundations of Physics, 2023 - Springer
This paper is devoted to clarification of the notion of entanglement through decoupling it
from the tensor product structure and treating as a constraint posed by probabilistic …

Contextuality-by-default description of Bell tests: Contextuality as the rule and not as an exception

M Kupczynski - Entropy, 2021 - mdpi.com
Contextuality and entanglement are valuable resources for quantum computing and
quantum information. Bell inequalities are used to certify entanglement; thus, it is important …

Can there be given any meaning to contextuality without incompatibility?

A Khrennikov - International Journal of Theoretical Physics, 2021 - Springer
Our aim is to compare the fundamental notions of quantum physics-contextuality vs.
incompatibility. One has to distinguish two different notions of contextuality, Bohr …

Quantum postulate vs. quantum nonlocality: On the role of the Planck constant in Bell's argument

A Khrennikov - Foundations of Physics, 2021 - Springer
We present a quantum mechanical (QM) analysis of Bell's approach to quantum foundations
based on his hidden-variable model. We claim and try to justify that the Bell model …