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Preprint . 1994
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Nonlinearity in quantum theory and closed timelike curves

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 15 Nov 1995Embargo end date: 01 Jan 1994 English Publisher:American Physical Society (APS)Journal:Physical Review D, volume 52, pages 5,676-5,680 (issn: 0556-2821, Copyright policy )
Authors: Cassidy, M. J.;

doi: 10.1103/physrevd.52.5676 , 10.48550/arxiv.gr-qc/9409003

pmid: 10019099

arXiv: gr-qc/9409003

Nonlinearity in quantum theory and closed timelike curves

Abstract

We examine consequences of the density matrix approach to quantum theory in the context of a model spacetime containing closed timelike curves and find that in general, an initially pure state will evolve in a nonlinear way to a mixed quantum state. CPT invariance and the implications of this nonlinearity for the statistical interpretation of quantum theory are discussed.

17 pages plain TeX, DAMTP R/94/34

Related Organizations
Keywords

High Energy Physics - Theory, High Energy Physics - Theory (hep-th), FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), General Relativity and Quantum Cosmology

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
13
Average
Top 10%
Top 10%
Green