Results 81 to 90 of about 9,786 (198)

Quantum communication complexity beyond Bell nonlocality

open access: yes, 2021
21 pages, 5 ...
Ho, Joseph   +10 more
openaire   +2 more sources

Measurement incompatibility does not give rise to Bell violation in general

open access: yesNew Journal of Physics, 2018
In the case of a pair of two-outcome measurements, incompatibility is equivalent to Bell nonlocality. Indeed, any pair of incompatible two-outcome measurements can violate the Clauser–Horne–Shimony–Holt Bell inequality, which has been proven by Wolf et ...
Erika Bene, Tamás Vértesi
doaj   +1 more source

Get Rid of Nonlocality from Quantum Physics

open access: yesEntropy, 2019
This paper is aimed to dissociate nonlocality from quantum theory. We demonstrate that the tests on violation of the Bell type inequalities are simply statistical tests of local incompatibility of observables. In fact, these are tests on violation of the
Andrei Khrennikov
doaj   +1 more source

Bell correlations at finite temperature [PDF]

open access: yesQuantum, 2018
We show that spin systems with infinite-range interactions can violate at thermal equilibrium a multipartite Bell inequality, up to a finite critical temperature $T_c$.
Matteo Fadel, Jordi Tura
doaj   +1 more source

Optimized bifunctional CuNiMgAl catalysts for efficient synthesis of the renewable bioproduct glycerol carbonate

open access: yesBiofuels, Bioproducts and Biorefining, Volume 19, Issue 5, Page 1271-1288, September/October 2025.
Abstract This paper presents a novel technology for converting glycerol, a byproduct of the biodiesel industry, into glycerol carbonate, a high‐value bioproduct. The effect of calcination temperature on the synthesis of quaternary Cu‐Ni‐Mg‐Al catalysts (MMO‐Cu15Ni15‐Tz) and their application in the transesterification reaction was investigated ...
Dalma S. Argüello   +5 more
wiley   +1 more source

Bell's Inequalities and Density Matrices: Revealing “Hidden” Nonlocality [PDF]

open access: yesPhysical Review Letters, 1995
As is well known, quantum mechanical behavior cannot, in general, be simulated by a local hidden variables model. Most -if not all- the proofs of this incompatibility refer to the correlations which arise when each of two (or more) systems separated in space is subjected to a single ideal measurement.
openaire   +3 more sources

Hierarchical relationship of nonlocal correlations in Schwarzschild-de Sitter spacetime

open access: yesEuropean Physical Journal C: Particles and Fields
We investigate the hierarchy of nonlocal correlations for Dirac fields in the Schwarzschild de Sitter (SdS) spacetime. We find that the hierarchical relationship between the nonlocal advantage of quantum coherence (NAQC) and Bell nonlocality remains in ...
Huimin Yao   +3 more
doaj   +1 more source

Nonlocal correlations dynamics of two-qubit Heisenberg XYZ states with influence of intrinsic decoherence and y-component of Dzyaloshinskii-Moriya interaction

open access: yesAlexandria Engineering Journal
In this paper, we explore nonlocal correlation and Bell non-locality in a two-qubit Heisenberg XYZ model by using Bell-CHSH inequality and uncertainty induced nonlocality (UIN) as well as log-negativity.
Nuha Al-Harbi   +3 more
doaj   +1 more source

Non-realism : deep thought or a soft option ?

open access: yes, 2009
The claim that the observation of a violation of a Bell inequality leads to an alleged alternative between nonlocality and non-realism is annoying because of the vagueness of the second term.Comment: 5 ...
A. Acin   +11 more
core   +1 more source

From Nano Robotic Manipulation to Nano Manipulation Robot

open access: yesSmartBot, Volume 1, Issue 3, September 2025.
This review addresses a critical research gap by summarizing advancements in nano robotic manipulation, tracing its evolution from passive observation to autonomous nanomanipulation robots. It explores the interplay of observation, construction, and operation, unveiling fundamental principles of atomic‐scale control. The review establishes a systematic
Zhan Yang   +6 more
wiley   +1 more source

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