Relativistic entanglement

Lawrence Horwitz, Rafael I. Arshansky

Research output: Contribution to journalArticlepeer-review

Abstract

The relativistic quantum theory of Stueckelberg, Horwitz and Piron (SHP) describes in a simple way the experiment on interference in time of an electron emitted by femtosecond laser pulses carried out by Lindner et al. In this paper, we show that, in a way similar to our study of the Lindner et al. experiment (with some additional discussion of the covariant quantum mechanical description of spin and angular momentum), the experiment proposed by Palacios et al. to demonstrate entanglement of a two electron state, where the electrons are separated in time of emission, has a consistent interpretation in terms of the SHP theory. We find, after a simple calculation, results in essential agreement with those of Palacios et al.; but with the observed times as values of proper quantum observables.

Original languageEnglish
Pages (from-to)1701-1708
Number of pages8
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume382
Issue number26
DOIs
StatePublished - 3 Jul 2018

Keywords

  • Entanglement
  • Relativistic quantum theory
  • Relativistic spin

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