Entanglement, which-way measurements, and a quantum erasure

Christian Ferrari*, Bernd Braunecker

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

We present a didactical approach to the which-way experiment and the counterintuitive effect of the quantum erasure for one-particle quantum interferences. The fundamental concept of entanglement plays a central role and highlights the complementarity between quantum interference and knowledge of which path is followed by the particle. (C) 2010 American Association of Physics Teachers. [DOI: 10.1119/1.3369921]

Original languageEnglish
Pages (from-to)792-795
Number of pages4
JournalAmerican Journal of Physics
Volume78
Issue number8
DOIs
Publication statusPublished - Aug 2010

Keywords

  • COMPLEMENTARITY
  • INTERFERENCE
  • MECHANICS
  • PHOTONS

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