Homework Statement
I'm just trying to understand what the variables in this equation represent. This is part of a study of electrical resistivity lab that I am doing. I don't have my Kittel book with me, and the lab manual for some reason doesn't define these variables.
Homework Equations...
Not to grave dig here too bad, but I don't think the OP came to the right solution and I didn't want someone else to be confused.
The ground state energy of a harmonic oscillator is known to be
E_{gs}=\frac{1}{2} \hbar \omega >
\frac{1}{\sqrt{2}} \hbar \omega
The variational...