November 2017
Intermediate to advanced
670 pages
14h 22m
English
Content preview from Principles of Electromagnetic Waves and Materials, 2nd Edition
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8Electromagnetic Modeling of Complex Materials*
The models we used till now assumed that the electromagnetic parameters σ, μ, and ε are scalar constants. In this section, we examine the circumstances under which the electromagnetic parameters are not scalar constants. In particular, we study the frequency dependence of the dielectric constant. In Section 8.1, we first study the interaction of an external electric field with a dielectric material by considering a volume of electric dipoles in free space. In Section 8.2, we study the frequency dependence of a dielectric material by considering a mechanical equivalent of an atom in a dielectric.
8.1Volume of Electric Dipoles
Let us briefly revise the concept of a dipole. An elementary electric ...
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