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Expand exp(kCos(gamma)) in SH

  1. Mar 17, 2009 #1
    Hello all, i am looking for a relation to express exp(kCos(gamma)) in spherical harmonics. How can I express it?


    thanks
     
  2. jcsd
  3. Mar 17, 2009 #2

    Dr Transport

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    Look in any advanced text in math physics, quantum mechanics or E&M, what you are looking for is the expansion of a plane wave in terms of spherical harmonics and Bessel functions.
     
  4. Mar 17, 2009 #3
    Thanks for your reply Dr. Transport, I want to use spherical harmonic expansions for exponential functions in a transfer matrix.
     
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