Causality of a wave equation and invariance of its hyperbolicity conditions
- 15 July 1980
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 22 (2) , 385-390
- https://doi.org/10.1103/physrevd.22.385
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.Keywords
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