Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Multipole expansion

  1. Jul 10, 2008 #1
    In multipole, the electric quadrupople interaction with incident electric field:

    V(2)=-[[tex]\stackrel{\leftrightarrow}{Q}[/tex][tex]\nabla[/tex]][tex]\cdot[/tex]Einc(0)

    [tex]\stackrel{\leftrightarrow}{Q}[/tex] is a tensor of rank two.
    [tex]\stackrel{\leftrightarrow}{Q}[/tex]=[tex]\frac{1}{2}[/tex][tex]\sum[/tex]qnrnrn

    However, [tex]\nabla[/tex][tex]\cdot[/tex]E=0.

    So, what is the detail expression of this tensor and how to operate it if I denote in Cartesian coordinate.

    Thank you!
     
  2. jcsd
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Can you help with the solution or looking for help too?
Draft saved Draft deleted



Similar Discussions: Multipole expansion
  1. Multipole expansion (Replies: 2)

Loading...