Remarks on Bessel beams, signals and superluminality

Details Remarks on Bessel beams, signals and superluminality Remarks on Bessel beams, signals and superluminality

2001-05-29

arxiv.org/abs/physics/0105097v2

Physics

Classical Physics

LaTeX, 16 pages, no figures. Completely revised version, accepted for publication in Physics Letters A

Scientific paper

10.1016/S0375-9601(01)00714-9

We address the question about the velocity of signals carried by Bessel beams
wave packets propagating in vacuum and having well defined wavefronts in time.
We find that this problem is analogous to that of propagation of usual plane
wave packets within dispersive media and conclude that the signal velocity can
not be superluminal.

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