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Quantile motion of electromagnetic waves in wave guides of varying cross section and dispersive media
Author(s) -
Dahmen H.D.,
Gjonaj E.,
Stroh T.
Publication year - 1998
Publication title -
annalen der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 68
eISSN - 1521-3889
pISSN - 0003-3804
DOI - 10.1002/(sici)1521-3889(199812)7:7/8<645::aid-andp645>3.0.co;2-p
Subject(s) - physics , electromagnetic radiation , quantile , signal (programming language) , cross section (physics) , wave propagation , classical mechanics , computational physics , mechanics , quantum electrodynamics , optics , quantum mechanics , statistics , computer science , mathematics , programming language
We discuss applications of the quantile concept of trajectories and velocities to the propagation of electromagnetic signals in wave guides of varying cross section. Quantile motion is a general description of the transport properties of measurable quantities in quantum mechanics as well as in classical electrodynamics. In the latter case we consider the quantile motion of electromagnetic energy as the direct result of a physical measurement. In this sense the quantile velocity corresponds to the electromagnetic signal velocity. We show that this signal velocity is always smaller than the speed of light in vacuum.