Momentum changes due to quantum localization

Research output: Contribution to journalArticle (Academic Journal)peer-review

2 Citations (Scopus)


The momentum changes caused by localization are a central feature of wave-particle duality. Investigating these changes in more detail, we find that single-slit diffraction relies on a form of 'interaction-free' scattering, and that an ideal which-way measurement can be made without any back-reaction on the detector. We also consider Kim and Shih's recent realization of Popper's experiment, involving diffraction of entangled particles, and offer an explanation for the results.

Original languageEnglish
Pages (from-to)498-503
Number of pages6
JournalFortschritte der physik-Progress of physics
Issue number4-5
Publication statusPublished - 2003


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