Causality in quantum mechanics
Abstract
We show explicitly how the causal arrow of time that follows from quantum mechanics has already been inserted at a deeper level by the choice of normalisation conditions. This prohibits information being sent backwards in time but does not determine a time direction for state propagation.
Journal Title
Physics Letters A
Volume
349
Publisher URI
Copyright Statement
© 2006 Elsevier. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal website for access to the definitive, published version.
Subject
Mathematical sciences
Physical sciences