The Essence of Nonclassicality: Non-Vanishing Signal Deficit

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• 作者：S. Aravinda ; R. Srikanth
• 关键词：Bell’s theorem ; Nonclassicality ; Signaling
• 刊名：International Journal of Theoretical Physics
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：54
• 期：12
• 页码：4591-4600
• 全文大小：204 KB
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• 作者单位：S. Aravinda (1)
  R. Srikanth (1)
  
  1. Poornaprajna Institute of Scientific Research, Bangalore, India
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Physics
  Quantum Physics
  Elementary Particles and Quantum Field Theory
  Mathematical and Computational Physics
  
• 出版者：Springer Netherlands
• ISSN：1572-9575

文摘

Nonclassical properties of correlations-like unpredictability, no-cloning and uncertainty-are known to follow from two assumptions: nonlocality and no-signaling. For two-input-two-output correlations, we derive these properties from a single, unified assumption: namely, the excess of the communication cost over the signaling in the correlation. This is relevant to quantum temporal correlations, resources to simulate quantum correlations and extensions of quantum mechanics. We generalize in the context of such correlations the nonclassicality result for nonlocal-nonsignaling correlations (Masanes et al., Phys. Rev. A 73, 012112 (2006)) and the uncertainty bound on nonlocality (Oppenheim and Wehner, Science 330(6007), 1072 (2010)), when the no-signaling condition is relaxed. Keywords Bell’s theorem Nonclassicality Signaling