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Type: Artigo de periódico
Title: Causal explanation for observed superluminal behavior of microwave propagation in free space
Author: Rodrigues, WA
Thober, DS
Xavier, AL
Abstract: In this Letter we present a theoretical analysis of an experiment by Mugnai and collaborators where superluminal behavior was observed in the propagation of microwaves. We suggest that what was observed can be well approximated by the motion of a superluminal X wave. Furthermore, the experimental results are also explained by the so called scissor effect which occurs with the convergence of pairs of signals coming from opposite points of an annular region of the mirror and forming an interference peak on the intersection axis traveling at superluminal speed. We clarify some misunderstandings concerning this kind of electromagnetic wave propagation in vacuum. (C) 2001 Elsevier Science B.V. All rights reserved.
Country: Holanda
Editor: Elsevier Science Bv
Citation: Physics Letters A. Elsevier Science Bv, v. 284, n. 6, n. 217, n. 224, 2001.
Rights: fechado
Identifier DOI: 10.1016/S0375-9601(01)00316-4
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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