Density Functional Theory, Part 2: Approximations

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Density Functional Theory, Part 2: Approximations.
Welcome to the second unit of the series on density functional theory. In the first unit, we talked about the fundamentals of DFT that include many-body SE.
In this unit, we will discuss foundations of DFT from a theoretical perspective and the theories behind, that are necessary to know about them in order to have accurate calculations. So, by listening to this unit, you generally understand some of the early approximations and theories that were employed in attempting to apply a density functional theory and make you ready to do DFT calculations which will be explained in the next units.
So, knowing the theories which will be explained in this unit is highly suggested to do more accurate calculations and feel better about the calculated results.