New answers tagged theoretical-chemistry
1
vote
Group theoretical condition for an integral to be zero
I was not completely happy with any answer so far, so here is my take on this:
We consider some integral
$$
\int_{\Omega} f d\Omega
$$
over some volume $\Omega$, ideally over $\mathbb{R}^d$, where $d$ ...
- 11
-2
votes
Why are excited Slater determinants used to describe electron correlation?
Actually there is a reason for this.
The exact mathematical way to expand a function of N variables $\Psi(x1, x2...)$ - in terms of a basis - is a multi-determinant expansion, given the requirement ...
- 31
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