Classical Physics

    

Superluminal Motion and Causality from a Laboratory Perspective

Authors: Gary Harnagel

there are two different approaches to superluminal communication around a closed loop, with one leg of the loop purportedly leading into the past. One scheme employs direct signals between a receiver in motion relative to a transmitter. This is called Method I in this paper. In the other, moving observers "hand-off" information between momentarily-adjacent observers in relative motion passing each other, which is designated Method II. It is shown that the correct application of superluminal physics in the former method clearly precludes causality violation, but it is more subtle in the latter approach. An analysis of what would be observed in a physics laboratory, compared to what is inferred from a Minkowski diagram, attests that causality violation does not occur in either method. Thus causality is not violated by superluminal communication.

Comments: 11 Pages.

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Submission history

[v1] 2021-12-28 17:53:07

Unique-IP document downloads: 582 times

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