Volume 24: Pages 518-522, 2011
Classical system boundaries cannot be determined within quantum Darwinism
Chris Fieldsa)
21 Rue des Lavandières, Caunes Minervois, 11160 France
Multiple observers who interact with environmental encodings of the states of a macroscopic quantum system S as required by quantum Darwinism cannot demonstrate that they are jointly observing S without a joint a priori assumption of a classical boundary separating S from its environment E. Quantum Darwinism cannot, therefore, be regarded as providing a purely quantum-mechanical explanation of the “emergence” of classicality.
Observateurs multiples qui interagissent avec encodages environnement des etats d'un système quantique macroscopique S tel que requis par le darwinisme quantique ne peuvent pas démontrer qu'ils sont solidairement observant S sans une hypothèse a priori commune d'une limite classique de séparation de S de son environnement E. Donc, darwinisme quantique ne peut être considéré comme fournissant une explication purement mécanique quantique de “l'émergence” de classicisme.
Keywords: Decoherence, Environment as Witness, Quantum Darwinism, Decomposition Into Systems, Quantum-to-Classical Transition, Emergence
Received: May 23, 2011; Accepted: September 8, 2011; Published Online: December 1, 2011
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