Time of occurrence observable in quantum mechanics

Romeo Brunetti, Klaus Fredenhagen
October 24, 2002
We propose a general construction of an observable measuring the time of occurence of an effect in quantum theory. Time delay in potential scattering is computed as a straightforward application.
open access link Physical Review A 66, 044101 (2002)
@article{Brunetti:2001mw, author = "Brunetti, Romeo and Fredenhagen, Klaus", title = "{When does a detector click?}", journal = "Phys. Rev.", volume = "A66", year = "2002", pages = "044101", doi = "10.1103/PhysRevA.66.044101", eprint = "quant-ph/0103144", archivePrefix = "arXiv", primaryClass = "quant-ph", reportNumber = "DESY-01-038, DSF-11-2001", SLACcitation = "%%CITATION = QUANT-PH/0103144;%%" }