Abstract
The paper elucidates the physical basis of experimental results on superluminal signal velocity. It will be made plausible that superluminal signals do not violate the principle of causality but they can shorten the vacuum time span between cause and effect. The causal behavior is based on the property that a physical signal has a finite duration as a result of its frequency band limitation.
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Nimtz, G. (2003). Violate Superluminal Signals Causality?. In: Macias, A., Uribe, F., Diaz, E. (eds) Developments in Mathematical and Experimental Physics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-0199-2_13
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DOI: https://doi.org/10.1007/978-1-4615-0199-2_13
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