Abstract
It is shown that in relativistic quantum mechanics there is no criterion for the strict localization of a state in a bounded space-time region compatible with causality, translation covariance, and the spectral condition (or positivity of energy together with Lorentz covariance).
- Received 20 September 1976
DOI:https://doi.org/10.1103/PhysRevD.16.315
©1977 American Physical Society