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classes:2009:fall:phys4101.001:lec_notes_1207

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classes:2009:fall:phys4101.001:lec_notes_1207 [2009/12/08 14:11] – myersclasses:2009:fall:phys4101.001:lec_notes_1207 [2009/12/15 23:58] (current) – ely
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 ====Chapter 6: Time Indepent Perturbation Theory==== ====Chapter 6: Time Indepent Perturbation Theory====
 +
 +We do it becuase it is a useful tool
 +
 +Shroedinger's equation is the must fundamental tool for QM.
 +We take solutions and eigenstates/eigenvectors to get energy levels
  
 ===Non-Degenerate Case=== ===Non-Degenerate Case===
 +This is the simplest case
 +single energy->single equation
  
 <math> H_0|\psi_n^{(0)}>=E_n^{(0)}|\psi_n^{(0)}> </math> <math> H_0|\psi_n^{(0)}>=E_n^{(0)}|\psi_n^{(0)}> </math>
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 ⇒<math>E_n^{(2)}=\Sigma|<\psi_l^{(0)|H'|\psi_n^{(0)}>|^2/(E_n^{(0)}-E_l^{(0)}) </math> ⇒<math>E_n^{(2)}=\Sigma|<\psi_l^{(0)|H'|\psi_n^{(0)}>|^2/(E_n^{(0)}-E_l^{(0)}) </math>
 +
 +This was all i had for notes as well-Dark Helmet
  
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classes/2009/fall/phys4101.001/lec_notes_1207.1260303103.txt.gz · Last modified: 2009/12/08 14:11 (external edit)

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