- #1
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Is the energy given by the first or the second? I have seen both relationships in different websites, and I am confused.
[tex] E = kT^2 \frac{\partial Z}{\partial T} [/tex]
or
[tex] E = - \frac{\partial ln Z}{\partial \beta} [/tex]
[tex] E = kT^2 \frac{\partial Z}{\partial T} [/tex]
or
[tex] E = - \frac{\partial ln Z}{\partial \beta} [/tex]