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Spherical harmonics problem

  1. Oct 20, 2009 #1
    1. The problem statement, all variables and given/known data


    Find the speherical harmonics [tex] (Y_1)^1, (Y_1)^0, (Y_1)^-1[/tex] as functions of the polar angles [tex]\theta[/tex] and [tex]\psi[/tex] and as functions of the cartesian coordinates x, y , and z.
    2. Relevant equations

    [tex] \(phi_l)^l= sin^l(\theta)*e^il\psi[/tex]

    [tex]L_\(phi_l)^l=(d/(d\theta))*\phi_l^l-l cot(\theta)\phi_l^l[/tex]


    3. The attempt at a solution

    The first thing I should do is normalized[tex]\(phi_l)^l[/tex] to get a value for the A constant

    A^2*[tex] (sin^l(\theta)*exp(il\psi))^2[/tex]=1; should I plug in the values for m and l before I normalized the function or after I normalized the function

    once I get the value for [tex] \(phi_l)^l[/tex] I can plug in this value into [tex]L_\(phi_l)^l=(d/(d\theta))*(\phi_l)^l-(l cot(\theta))(\phi_l)^l[/tex] correct?Not sure why I am finding the value for the lower opperator. Please inform me if you have a reallly really hard time understanding the latex code.
     
    Last edited: Oct 20, 2009
  2. jcsd
  3. Oct 21, 2009 #2
    just let me know if my latex is unreadable
     
  4. Oct 21, 2009 #3
    Pretty much - I'm not sure what it is you need to do; Do you need to derive the spherical harmonics directly from their defining differential equation or do you merely need to express them in the different coordinate systems?
     
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