Which-path information
English
Noun
- Template:Lb information about which path a particle has taken through space
- 2005, Christopher Gerry, Peter Knight: Introductory Quantum Optics
- Suppose we don't do any measurement on the k beam: we just remove detector . We shall now obtain no which-path information.
- 2005, Christopher Gerry, Peter Knight: Introductory Quantum Optics