Articles with "nonlocality" as a keyword



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Distillation of n-GHZ Box

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Published in 2021 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-021-04788-y

Abstract: Quantum nonlocality plays an important role in quantum information and quantum communication. Different from local realism, nonlocality means that multiple bodies can affect each other instantaneously regardless of the distance. The more the systems, the… read more here.

Keywords: box distillation; ghz box; nonlocality; distillation ... See more keywords
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Nonlocality-Broaden Optical Bistability in a Nonlinear Plasmonic Core–Shell Cylinder

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Published in 2017 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.6b12546

Abstract: With the self-consistent mean-field method in the framework of full-wave nonlocal scattering theory, we theoretically investigate the optical bistability in a nonlocal metallic nanocylinder coated with Kerr-type nonlinear shell. A nonlocality enhanced Fano profile is… read more here.

Keywords: shell; nonlocality; cylinder; optical bistability ... See more keywords
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A neural network oracle for quantum nonlocality problems in networks

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Published in 2019 at "npj Quantum Information"

DOI: 10.1038/s41534-020-00305-x

Abstract: Characterizing quantum nonlocality in networks is a challenging, but important problem. Using quantum sources one can achieve distributions which are unattainable classically. A key point in investigations is to decide whether an observed probability distribution… read more here.

Keywords: quantum nonlocality; neural network; nonlocality; distribution ... See more keywords
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The dynamics of Bell nonlocality for three-qubit system in independent reservoirs

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Published in 2021 at "Laser Physics"

DOI: 10.1088/1555-6611/ac08a2

Abstract: The Bell nonlocality for initially general W states undergoing independent generalized amplitude damping channels are investigated. We examine in detail the effect of adding the number of qubits in the reservoir on delay of the… read more here.

Keywords: bell nonlocality; nonlocality; dynamics bell; three qubit ... See more keywords
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Local distinguishability based genuinely quantum nonlocality without entanglement

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Published in 2021 at "Journal of Physics A: Mathematical and Theoretical"

DOI: 10.1088/1751-8121/ac28cd

Abstract: Recently, Halder et al (2019 Phys. Rev. Lett. 122 040403) proposed the concept of strong nonlocality without entanglement: an orthogonal set of fully product states in multipartite quantum systems that is locally irreducible for every… read more here.

Keywords: without entanglement; nonlocality; nonlocality without; genuinely nonlocal ... See more keywords
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Nonlocality distillation and quantum voids

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Published in 2019 at "Physical Review A"

DOI: 10.1103/physreva.100.012102

Abstract: Via nonlocality distillation, a number of copies of a given nonlocal correlation can be turned into a new correlation displaying a higher degree of nonlocality. Apart from its clear relevance in situations where nonlocality is… read more here.

Keywords: nonlocality distillation; distillation quantum; quantum voids; nonlocality ... See more keywords

Network nonlocality via rigidity of token counting and color matching

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Published in 2022 at "Physical Review A"

DOI: 10.1103/physreva.105.022408

Abstract: Bell's theorem shows that correlations created by a single entangled quantum state cannot be reproduced classically, in a local way. Such correlations are called \emph{Nonlocal}. The notion of nonlocality is extended to \emph{Network Nonlocality} by… read more here.

Keywords: color matching; token counting; network nonlocality; network ... See more keywords
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Conditions for the compatibility of channels in general probabilistic theory and their connection to steering and Bell nonlocality

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Published in 2017 at "Physical Review A"

DOI: 10.1103/physreva.96.052127

Abstract: We derive general conditions for the compatibility of channels in general probabilistic theory. We introduce formalism that allows us to easily formulate steering by channels and Bell nonlocality of channels as generalizations of the well-known… read more here.

Keywords: conditions compatibility; compatibility channels; bell nonlocality; theory ... See more keywords
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Uncertainty principle as a postquantum nonlocality witness for the continuous-variable multimode scenario

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Published in 2019 at "Physical Review A"

DOI: 10.1103/physreva.99.012105

Abstract: Uncertainty principle is one of the central concepts in quantum theory. Different forms of this particular principle have been discoursed in various foundational and information theoretic topics. In the discrete input-output scenario the limited nonlocal… read more here.

Keywords: continuous variable; principle; uncertainty principle; uncertainty ... See more keywords
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Quantifying the Mesoscopic Nature of Einstein-Podolsky-Rosen Nonlocality.

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Published in 2019 at "Physical review letters"

DOI: 10.1103/physrevlett.123.120402

Abstract: Evidence for Bell's nonlocality is so far mainly restricted to microscopic systems, where the elements of reality that are negated predetermine results of measurements to within one spin unit. Any observed nonlocal effect (or lack… read more here.

Keywords: einstein podolsky; podolsky rosen; mesoscopic nature; nonlocality ... See more keywords
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Experimental Demonstration of Genuine Tripartite Nonlocality under Strict Locality Conditions.

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Published in 2022 at "Physical review letters"

DOI: 10.1103/physrevlett.129.060401

Abstract: Nonlocality captures one of the counterintuitive features of nature that defies classical intuition. Recent investigations reveal that our physical world's nonlocality is at least tripartite; i.e., genuinely tripartite nonlocal correlations in nature cannot be reproduced… read more here.

Keywords: experimental demonstration; genuine tripartite; nonlocality; strict locality ... See more keywords