J. Phys. I France
Volume 2, Numéro 9, September 1992
Page(s) 1693 - 1698
DOI: 10.1051/jp1:1992236
J. Phys. I France 2 (1992) 1693-1698

On superluminal barrier traversal

A. Enders and G. Nimtz

II. Physikalisches Institut der Universität zu Köln, Zülpicher Str. 77, 5000 Köln 41, Germany

(Received 22 June 1992, accepted in final form 10 July 1992)

We report on microwave measurements of barrier traversal time of electromagnetic wave packets in an undersized waveguide. This time was significantly shorter than the ratio L/c, with L the barrier length and c the velocity of light in vacuum. Consequently the transport velocity for the wave packet inside the barrier has to be superluminal, i.e. larger than c.

© Les Editions de Physique 1992

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