Exchange and correlation and their defernces

1 reply · 3K views · last reply
hokhani
Messages
653
Reaction score
29
What is the deferences between Exchange and correlation and also what is Exchange-correlation hole?
 
In fact I want to know that whether sum of the charges of exchange hole and correlation hole is +e (e:electron charge) or each of them has the charge +e so that some of their charges is +2e?