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A question about Slater-Koster approximation

  1. Jun 25, 2015 #1
    Dear forum people
    in the Slater-Koster approximation interatomic matrix elements is a function of the cosine direction.
    How to calculate cosine direction for silicene by sp2 hybrid.
  2. jcsd
  3. Jun 30, 2015 #2
    Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
  4. Jun 30, 2015 #3
    Dear forum people
    I consider four atomic orbitals of the silicon atom: s, px , py and pz , thus Hi,j is a 4*4 matrix.
    Hi,i is the expression of the diagonal matrix and Hi,j is the expression off-diagonal matrix where the expression for Hi,i and Hi,j is attached.
    But I can not calculate the cosine of direction.
    Who can help me find the cosine of direction?

    Attached Files:

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