I must normalize this to solve for the normalization constant

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Homework Statement



A hydrogen atom given the following state:

[tex]\psi (r, 0) = A\psi_{100}(r) + (\frac{1}{\sqrt{5}})\psi_{311}(r) + (\frac{1}{\sqrt{3}})\psi_{422}(r)[/tex]

I must normalize this to solve for the normalization constant [tex]A[/tex]



Homework Equations





The Attempt at a Solution



Is it just me or does the integral turn out to be as hellish as it seems? Am I supposed to integrate the whole expression or just the first term?
 

Answers and Replies

  • #2
Redbelly98
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You must integrate the whole expression, since the normalization condition is

ψ*·ψ = 1​


But this is not a hellish problem. Here are two easy questions, the answers to which are probably easier than you'd think:

1. What is the value of

ψ100ψ 100 = ____?​


2. What is the value of

ψ100ψ311 = ____?​
 
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