2021
DOI: 10.1103/physrevresearch.3.023139
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Exploring Bell nonlocality of quantum networks with stabilizing and logical operators

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Cited by 7 publications
(10 citation statements)
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“…In the upcoming study, we will explore Bell nonlocality with stabilizer states such as graph states [27,28] and codewords of stabilizer-based quantum error correction distributed in quantum networks [22]. The local observables therein can be made up of "cut-graft-mixing" stabilizing operators and logical operators [27].…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…In the upcoming study, we will explore Bell nonlocality with stabilizer states such as graph states [27,28] and codewords of stabilizer-based quantum error correction distributed in quantum networks [22]. The local observables therein can be made up of "cut-graft-mixing" stabilizing operators and logical operators [27].…”
Section: Discussionmentioning
confidence: 99%
“…Since long-distance quantum networks involving large-scale multi-users are the essential goals of upcoming quantum communication, it is fundamental to study their nonlocality strength in the network [11][12][13][14][15]. Specifically, the bilocality and K-locality correlations in the two-source and later the K-sources cases, respectively, have been extensively studied [16][17][18][19][20][21][22][23][24][25]. In most of the literature, however, the notions of bilocality and K-locality implicitly refer to the restricted distributions of local hidden variables.…”
Section: Introductionmentioning
confidence: 99%
“…Stabilisers have been employed to construct nonlocality and entanglement inequalities [24,29]. Nevertheless, homomorphism among stabiliser groups has not been hitherto studied, to the best of our knowledge, to derive a number of nonlocality inequalities given a seed nonlocality inequality.…”
Section: Relation With Previous Workmentioning
confidence: 99%
“…Thanks to its crucial applications, several approaches have been employed to derive nonlocality inequalities for numerous families of states such as graph states, cluster states, etc (see, for example [2,22,23], and references therein). Many nonlocality inequalities have been derived by employing stabiliser formalism, logical qubits [24] and by employing the action of abelian and non-abelian groups [25,26]. Additionally, a procedure for lifting Bell inequalities has also been proposed [27].…”
Section: Introductionmentioning
confidence: 99%
“…With the development of quantum technology, quantum systems of medium scale have attracted much attention [30][31][32][33][34], such as quantum computation with noisy intermediate-scale quantum processors [35]. The researches on such quantum systems have spawned another kind of nonlocality that may be stronger than the Bell nonlocality -the quantum network nonlocality [36][37][38][39][40][41][42][43][44][45][46][47]. In Ref.…”
Section: Introductionmentioning
confidence: 99%