FIZIKA B 3 (1994) 2, 93-102

SPECIAL RELATIVITY AND CAUSAL FASTER-THAN-LIGHT EFFECTS

MARIJAN RIBARI� and LUKA �U�TER�I�
Jo�ef Stefan Institute, University of Ljubljana, 61111 Ljubljana, Slovenia

Received 4 July 1994

Interpretations of various quantum-mechanical, theoretical and experimental results suggest the existence of causal faster-than-light effects. To show how such effects can be reconciled with special relativity, we give an example of a classical causal system with local, covariant equations of motion. Its retarded solutions exhibit causal faster-than-light effects. Certain properties of these solutions propagate almost according to the Klein-Gordon equation and not faster than light.

UDC 530.12
PACS 03.30.+p, 03.65.Bz, 11.10.Kk, 05.60.+W

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