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No-go theorems for ψ-epistemic models based on a continuity assumption.
Patra, M K; Pironio, S; Massar, S.
Afiliação
  • Patra MK; Laboratoire d'Information Quantique CP225, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50, 1050 Bruxelles, Belgium.
Phys Rev Lett ; 111(9): 090402, 2013 Aug 30.
Article em En | MEDLINE | ID: mdl-24033005
The quantum state ψ is a mathematical object used to determine the probabilities of different outcomes when measuring a physical system. Its fundamental nature has been the subject of discussions since the inception of quantum theory. Is it ontic, that is, does it correspond to a real property of the physical system? Or is it epistemic, that is, does it merely represent our knowledge about the system? Assuming a natural continuity assumption and a weak separability assumption, we show here that epistemic interpretations of the quantum state are in contradiction with quantum theory. Our argument is different from the recent proof of Pusey, Barrett, and Rudolph and it already yields a nontrivial constraint on ψ-epistemic models using a single copy of the system in question.
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2013 Tipo de documento: Article
Buscar no Google
Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2013 Tipo de documento: Article