SEARCH Articles Figures Tables Cluster coupled Cluster method Cluster potential Clustering space Couple cluster methods Coupled Cluster methods Coupled Fock space Coupled cluster method ionization potentials Coupled method coupling Couplings spacing Fock potential Fock space Fock-Space Coupled Cluster Fock-space coupled cluster method Ionization potential Ionization potential, clusters Ionization potentials coupled-clusters Ionized clusters Method clustering Potential clustering Space ionization potentials