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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
The Propagation of Electromagnetic Waves Through, Along and Over a Three-Dimensional Conducting Half Space: Em Waves Over a Conducting Earth

The Propagation of Electromagnetic Waves Through, Along and Over a Three-Dimensional Conducting Half Space: Em Waves Over a Conducting Earth

Gilliam, D. S.
Martensen, Erich
Schulenberg, John R.

Paperback

Series: Methoden Und Verfahren Der Mathematischen Physik, Book 30

General MathematicsPhysics

Currently unavailable to order

ISBN10: 3820489053
ISBN13: 9783820489057
Publisher: Peter Lang
Published: Dec 31 1986
Pages: 209
Language: English
A representation in terms of explicitly given generalized eigenfunctions is obtained for the semigroup S(t) = exp(-ixt) solving the Cauchy problem for the time-dependent Maxwell equations in the case of two distinct media filling the upper and lower half spaces of R3, whereby the upper medium is loss-free, while the lower has finite conductivity. The solution u = S(t)f, fED(1), can be written in the form u = uo+uo+uso+us++us-+op+up. Here uo and uo are, respectively, static and quasistatic parts of the solution: us+ and us+ consists of a superposition of AH modes -- modes whose frequencies have no real part and thus do not propagate; uxx consist of superpositions of surface-wave modes, propagating in opposite directions according to + or -; uop and up are superpositions of plane-wave modes having the frequencies of the upper and lower media respectively. The structure of the AH and surface-wave components is determined: the are essentially scalar waves, and it is shown how such waves can be constructed explicitly from solutions of a simple problem for the scalar wave equation.

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