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Unformatted text preview: Jackson 2nd Ed. ch. 9.19.2 Griffith 11.1, especially 11.1.4 multipole expansion 7.4.1 Reduction to oscillating time dependency So far we have: Lecture Notes Page 2 Decompose sources in oscillatory terms via Fourier Transform similarly: The fields can be decomposed as so that we find the relations for the Fourier components: outside of source area Remarks: 1) general solution can be found by considering each contributing frequency component separately! Lecture Notes Page 3 => from now on we concentrate on a single frequency component Though note: here positive and negative frequency components are treated separately: physical oscillation with has in general two contributing Fourier frequencies 2) outside of the source area fields can be found from vector potential alone: => as we are mainly interested in solution outside source area, we can concentrate on the vector potential alone, ignoring the scalar potential. Lecture Notes Page 4...
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This note was uploaded on 07/28/2009 for the course PHYS 441B taught by Professor Norbertlutkenhaus during the Winter '09 term at Waterloo.
 Winter '09
 NorbertLutkenhaus

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