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158 CHAPTER 19. HYBRIDS
Chapter 19
Hybrids
19.1 Static, strong, and strict correlation
19.2 Mixing exact exchange with GGA
19.3 Questions about adiabatic connection formula and hybrids
1. Does the Hellmann-Feynman theorem apply to the problem of the particle in a potential
V (x) = exp(−|x|)?
2. What happens to a system as λ → ∞?
λ
3. What is the formula for v [n](r) in terms of a scaled density?
ext
157