article
Multiconfiguration perturbation theory with imaginary level shift
Chemical Physics Letters · 1997 · Vol. 274(1-3) · pp. 196–204
Niclas Forsberg✉(Swedish e-Science Research Centre)Per‐Åke Malmqvist(Swedish e-Science Research Centre)
Advanced Chemical Physics StudiesAtomic and Molecular PhysicsAtmospheric Ozone and ClimateGravitational singularitySingularityGround statePerturbation theory (quantum mechanics)Excited statePerturbation (astronomy)PhysicsDistortion (music)Quantum electrodynamicsQuantum mechanics
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858
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References
Molecular spectra and molecular structure, iv, constants of diatomic molecules
Journal of Molecular Structure · 1980 · 2,091 citations
Second-order perturbation theory with a complete active space self-consistent field reference function
The Journal of Chemical Physics · 1992 · 3,836 citations
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