Phys. Rev. A 69, 022103 (2004) [4 pages]Entanglement properties of kaons and tests of hidden-variable modelsReceived 20 May 2003; published 11 February 2004 In this paper we discuss entanglement properties of neutral kaons systems and their use for testing local realism. In particular, we analyze a Hardy-type scheme [A. Bramon and G. Garbarino, Phys. Rev. Lett. 89, 160401 (2002)] recently suggested for performing a test of hidden-variable theories against standard quantum mechanics. Our result is that this scheme could, in principle, lead to a conclusive test of local realism, but only if higher identification efficiencies than in today’s experiments will be reached. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.69.022103
DOI:
10.1103/PhysRevA.69.022103
PACS:
03.65.Ud, 13.20.Eb, 03.65.Ta
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