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Bell Diagonal and Werner State Generation: Entanglement, Non-Locality, Steering and Discord on the IBM Quantum Computer [PDF]

open access: yesEntropy, 2021
We propose the first correct special-purpose quantum circuits for preparation of Bell diagonal states (BDS), and implement them on the IBM Quantum computer, characterizing and testing complex aspects of their quantum correlations in the full parameter ...
Elias Riedel Gårding   +10 more
doaj   +2 more sources

Quantum Gravity If Non-Locality Is Fundamental [PDF]

open access: yesEntropy, 2022
I take non-locality to be the Michelson–Morley experiment of the early 21st century, assume its universal validity, and try to derive its consequences.
Stuart A. Kauffman
doaj   +2 more sources

Fundamental limits on key rates in device-independent quantum key distribution [PDF]

open access: yesNew Journal of Physics, 2020
In this paper, we introduce intrinsic non-locality and quantum intrinsic non-locality as quantifiers for Bell non-locality, and we prove that they satisfy certain desirable properties such as faithfulness, convexity, and monotonicity under local ...
Eneet Kaur, Mark M Wilde, Andreas Winter
doaj   +4 more sources

Mermin Non-Locality in Abstract Process Theories [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2015
The study of non-locality is fundamental to the understanding of quantum mechanics. The past 50 years have seen a number of non-locality proofs, but its fundamental building blocks, and the exact role it plays in quantum protocols, has remained elusive ...
Stefano Gogioso, William Zeng
doaj   +6 more sources

The ABC of Deutsch–Hayden Descriptors

open access: yesQuantum Reports, 2021
It has been more than 20 years since Deutsch and Hayden proved the locality of quantum theory, using the Heisenberg picture of quantum computational networks. Of course, locality holds even in the face of entanglement and Bell’s theorem.
Charles Alexandre Bédard
doaj   +1 more source

Effect of a Moving Mirror on the Free Fall of a Quantum Particle in a Homogeneous Gravitational Field

open access: yesQuantum Reports, 2022
We investigate the effect of time-dependent boundary conditions on the dynamics of a quantum bouncer—a particle falling in a homogeneous gravitational field on a moving mirror.
Jawad Allam, Alex Matzkin
doaj   +1 more source

Experimental Counterexample to Bell’s Locality Criterion

open access: yesEntropy, 2022
The EPR paradox was caused by the provision that quantum variables must have pre-existing values. This type of “hidden property realism” was later falsified by Bell’s Theorem.
Ghenadie N. Mardari
doaj   +1 more source

Foundations of Quantum Mechanics

open access: yesEncyclopedia, 2022
Quantum mechanics is a mathematical formalism that models the dynamics of physical objects. It deals with the elementary constituents of matter (atoms, subatomic and elementary particles) and of radiation.
Salim Yasmineh
doaj   +1 more source

Nonlocality in Quantum Mechanics Portrayed as a Human Twins’ Metaphor

open access: yesEntropy, 2023
Avoiding the use of mathematical formalism, this essay exposes the quantum mechanics phenomenon of nonlocality in terms of a metaphor involving human twins, focused on their hands’ dexterity attribute.
Salomon S. Mizrahi
doaj   +1 more source

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