Abstract
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 language | English |
|---|---|
| Pages (from-to) | 498-503 |
| Number of pages | 6 |
| Journal | Fortschritte der physik-Progress of physics |
| Volume | 51 |
| Issue number | 4-5 |
| DOIs | |
| Publication status | Published - 2003 |
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