Single, Double Electronic Excitations and Exciton Effective Conjugation Lengths in π-Conjugated Systems
Excitation energies from particle-particle random phase approximation with accurate optimized effective potentials
Multireference Density Functional Theory with Generalized Auxiliary Systems for Ground and Excited States
Charge transfer excitations from particle-particle random phase approximation: Opportunities and challenges arising from two-electron deficient systems
Restricted second random phase approximations and Tamm-Dancoff approximations for electronic excitation energy calculations
Excitation energies from particle-particle random phase approximation: Davidson algorithm and benchmark studies