The possibility of solving (at least ``in microphysics") all the ordinary causal paradoxes devised for superluminal waves or objects is not widely recognized yet; on the contrary, the effectiveness of the Stuckelberg-Feynman-Sudarshan switching principle is often misunderstood. We wantbto show in detail and rigorously, therefore, how to solve the oldest causal paradox, originally proposed by Tolman, which is the kernel of so many further "tachyon paradoxes". The key to the solution is a careful application of tachyon kinematics, which can be unambiguously derived from special relativity. A systematic, thorough analysis of all tachyon paradoxes appears elsewhere.
The Tolman-Regge antitelephone paradox: Its solution by tachyon mechanics
RECAMI, Erasmo
2009-01-01
Abstract
The possibility of solving (at least ``in microphysics") all the ordinary causal paradoxes devised for superluminal waves or objects is not widely recognized yet; on the contrary, the effectiveness of the Stuckelberg-Feynman-Sudarshan switching principle is often misunderstood. We wantbto show in detail and rigorously, therefore, how to solve the oldest causal paradox, originally proposed by Tolman, which is the kernel of so many further "tachyon paradoxes". The key to the solution is a careful application of tachyon kinematics, which can be unambiguously derived from special relativity. A systematic, thorough analysis of all tachyon paradoxes appears elsewhere.Pubblicazioni consigliate
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