Causality of a wave equation and invariance of its hyperbolicity conditions
Abstract
A characterization of the noncausal behavior of a covariant wave equation is given in terms of the invariance of the hyperbolicity conditions. Some examples in which the Dirac field is not causal are studied.
- Publication:
-
Physical Review D
- Pub Date:
- July 1980
- DOI:
- 10.1103/PhysRevD.22.385
- Bibcode:
- 1980PhRvD..22..385R