Castagnino, Mario and Gadella, Manuel and Lombardi, Olimpia (2005) Time-reversal invariance and irreversibility in time-asymmetric quantum mechanics. [Preprint]

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Abstract

The aim of this paper is to analyze the concepts of time-reversal invariance and irreversibility in the so-called 'time-asymmetric quantum mechanics'. We begin with pointing out the difference between these two concepts. On this basis, we show that irreversibility is not as tightly linked to the semigroup evolution laws of the theory -which lead to its non time-reversal invariance- as usually suggested. In turn, we argue that the irreversible evolutions described by the theory are coarse-grained processes.

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Item Type:	Preprint
Creators:	Creators Email ORCID Castagnino, Mario Gadella, Manuel Lombardi, Olimpia
Keywords:	quantum mechanics, irreversibility, time-reversal invariance, time-asymmetry
Subjects:	Specific Sciences > Physics > Quantum Mechanics
Depositing User:	Prof. Olimpia Lombardi
Date Deposited:	23 Jan 2006
Last Modified:	07 Oct 2010 15:13
Item ID:	2595
Subjects:	Specific Sciences > Physics > Quantum Mechanics
Date:	September 2005
URI:	https://philsci-archive.pitt.edu/id/eprint/2595

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