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Sökning: WFRF:(Pozas Kerstjens Alejandro)

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1.
  • Pozas-Kerstjens, Alejandro, et al. (författare)
  • Post-quantum nonlocality in the minimal triangle scenario
  • 2023
  • Ingår i: New Journal of Physics. - 1367-2630. ; 11:1
  • Tidskriftsartikel (refereegranskat)abstract
    • We investigate network nonlocality in the triangle scenario when all three parties have no input and binary outputs. Through an explicit example, we prove that this minimal scenario supports nonlocal correlations compatible with no-signaling and independence of the three sources, but not with realisations based on independent quantum or classical sources. This nonlocality is robust to noise. Moreover, we identify the equivalent to a Popescu-Rohrlich box in the minimal triangle scenario.
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2.
  • Wang, Ning Ning, et al. (författare)
  • Certification of non-classicality in all links of a photonic star network without assuming quantum mechanics
  • 2023
  • Ingår i: Nature Communications. - 2041-1723. ; 14:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Networks composed of independent sources of entangled particles that connect distant users are a rapidly developing quantum technology and an increasingly promising test-bed for fundamental physics. Here we address the certification of their post-classical properties through demonstrations of full network nonlocality. Full network nonlocality goes beyond standard nonlocality in networks by falsifying any model in which at least one source is classical, even if all the other sources are limited only by the no-signaling principle. We report on the observation of full network nonlocality in a star-shaped network featuring three independent sources of photonic qubits and joint three-qubit entanglement-swapping measurements. Our results demonstrate that experimental observation of full network nonlocality beyond the bilocal scenario is possible with current technology.
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  • Resultat 1-2 av 2
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refereegranskat (2)
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Gisin, Nicolas (2)
Tavakoli, Armin (2)
Pozas-Kerstjens, Ale ... (2)
Zhang, Chao (1)
Li, Chuan-Feng (1)
Guo, Guang-Can (1)
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Girardin, Antoine (1)
Kriváchy, Tamás (1)
Wang, Ning Ning (1)
Liu, Bi Heng (1)
Huang, Yun Feng (1)
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Lunds universitet (2)
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Engelska (2)
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2023 (2)

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