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Self-Induced Decoherence and the Classical Limit of Quantum Mechanics

Castagnino, Mario and Lombardi, Olimpia (2004) Self-Induced Decoherence and the Classical Limit of Quantum Mechanics. In: UNSPECIFIED. (Unpublished)

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Abstract

In this paper we argue that the emergence of the classical world from the underlying quantum reality involves two elements: self-induced decoherence and macroscopicity. Self-induced decoherence does not require the openness of the system and its interaction with the environment: a single closed system can decohere when its Hamiltonian has continuous spectrum. We show that, if the system is macroscopic enough, after self-induced decoherence it can be described as an ensemble of classical distributions weighted by their corresponding probabilities. We also argue that classicality is an emergent property that arises when the behavior of the system is described from an observational perspective.


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Item Type: Conference or Workshop Item (UNSPECIFIED)
Creators:
CreatorsEmailORCID
Castagnino, Mario
Lombardi, Olimpia
Keywords: decoherence, classical limit, quantum mechanics
Subjects: Specific Sciences > Physics > Quantum Mechanics
Depositing User: Prof. Olimpia Lombardi
Date Deposited: 15 Aug 2004
Last Modified: 07 Oct 2010 15:12
Item ID: 1883
Public Domain: No
Conference Date: November 18 to 20, 2004
Conference Location: Austin, texas
URI: http://philsci-archive.pitt.edu/id/eprint/1883

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