Correlation energy

[dianabarraza2608]

Since in classical physics only the solution for an independent particle and the energy difference it has with the exact solution are calculated, that is, it is not necessary to obtain a Slater determinant. There is a difference in determining the correlation since it is precisely in this part where it is necessary to calculate the determinant and this correlation is what makes it difficult to obtain the exact solution, that is, finding the functional that reduces this HF difference to an exact solution.

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