Localizability and causal propagation in relativistic quantum mechanics

L. P. Horwitz*, Marius Usher

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We show that, in a relativistic quantum theory in which the mass shell is not sharp, and positive and negative energy states are admissable, causal propagation is possible, and Hegerfeldt's theorem can be avoided. The conditions under which this is true have simple physical interpretation.

Original languageEnglish
Pages (from-to)289-295
Number of pages7
JournalFoundations of Physics Letters
Volume4
Issue number3
DOIs
StatePublished - Jun 1991

Keywords

  • causal propagation
  • localization
  • relativistic quantum mechanics

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