Results 21 to 30 of about 1,548 (207)

Bell nonlocality using tensor networks and sparse recovery [PDF]

open access: yesPhysical Review Research, 2020
Bell's theorem, stating that quantum predictions are incompatible with a local hidden variable description, is a cornerstone of quantum theory and at the center of many quantum information processing protocols.
I. S. Eliëns, S. G. A. Brito, R. Chaves
doaj   +2 more sources

Impact of parity violation on quantum entanglement and Bell nonlocality [PDF]

open access: yesEuropean Physical Journal C: Particles and Fields
We present our new findings on how various fundamental interactions decisively shape quantum entanglement and the Bell measure within and beyond the quantum field theory (QFT). In QFT, parity symmetry plays a key role in determining entanglement.
Yong Du   +3 more
doaj   +2 more sources

Entanglement and Bell nonlocality in τ + τ − at the BEPC

open access: yesJournal of High Energy Physics
Quantum entanglement and Bell nonlocality are two phenomena that occur only in quantum systems. In both cases, these are correlations between two subsystems that are classically absent.
Tao Han, Matthew Low, Youle Su
doaj   +3 more sources

Bell nonlocality in networks [PDF]

open access: yesReports on Progress in Physics, 2022
Abstract Bell’s theorem proves that quantum theory is inconsistent with local physical models. It has propelled research in the foundations of quantum theory and quantum information science. As a fundamental feature of quantum theory, it impacts predictions far beyond the traditional scenario of the Einstein-Podolsky-Rosen paradox.
Armin Tavakoli   +3 more
openaire   +3 more sources

Bell’s nonlocality and gravity

open access: yesInternational Journal of Modern Physics D, 2022
The experimental results that test Bell’s inequality have found strong evidence suggesting that there are nonlocal aspects in nature. Evidently, these nonlocal effects, which concern spacelike separated regions, create an enormous tension between general relativity and quantum mechanics.
Bonder, Yuri, Morales, Johas D.
openaire   +2 more sources

Recycling qubits for the generation of Bell nonlocality between independent sequential observers [PDF]

open access: yes, 2022
There is currently much interest in the recycling of entangled systems, for use in quantum information protocols by sequential observers. In this work, we study the sequential generation of Bell nonlocality via recycling one or both components of two ...
Liu, Lijun   +3 more
core   +1 more source

Parameter dependence and Bell nonlocality [PDF]

open access: yesPhysical Review A, 2021
Bell's theorem asserts that no model that satisfies all of the plausible physical assumptions of outcome independence (OI), measurement independence (MI) and Parameter Independence (PI) can reproduce quantum mechanics. Here I find the optimum model that saturates CHSH inequality for the case that outcome independence and measurement independence hold ...
openaire   +3 more sources

Bell nonlocality and the reality of the quantum wave function [PDF]

open access: yesPhysical Review A, 2021
Accepted in Physical Review A (close to accepted version)
Bhowmik, Anandamay Das   +2 more
openaire   +2 more sources

Limitations on sharing Bell nonlocality between sequential pairs of observers [PDF]

open access: yes, 2021
We give strong analytic and numerical evidence that, under mild measurement assumptions, two qubits cannot both be recycled to generate Bell nonlocality between multiple independent observers on each side.
Liu, Lijun   +3 more
core   +1 more source

Bell's theorem, accountability and nonlocality [PDF]

open access: yesJournal of Physics A: Mathematical and Theoretical, 2014
Bell's theorem is a fundamental theorem in physics concerning the incompatibility between some correlations predicted by quantum theory and a large class of physical theories. In this paper, we introduce the hypothesis of accountability, which demands that it is possible to explain the correlations of the data collected in many runs of a Bell ...
Vona, Nicola, Liang, Yeong-Cherng
openaire   +2 more sources

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