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Lecture28 - specified to completely determine it E E Note...

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Waves using complex vector amplitudes We must now allow the complex field and its amplitude to be vectors: ( 29 ( 29 0 , exp E r t E i k r t ϖ = ⋅ - r r r r r % % 0 (Re{ } Im{ }, Re{ } Im{ }, Re{ } Im{ }) x x y y z z E E i E E i E E i E = + + + r % The complex vector amplitude has six numbers that must be
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Unformatted text preview: specified to completely determine it! E % E % Note the arrows over the E’s! x-component y-component z-component...
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