SEARCH Articles Figures Tables Ab initio density matrix renormalization Ab initio density matrix renormalization group Density Matrix Renormalization Group DMRG) method Density matrix Density matrix renormalization group Density matrix renormalization group DMRG) Density matrix renormalization group accuracy Density matrix renormalization group development Density matrix renormalization group method Density matrix renormalization group theory Reduced density matrices renormalization Renormalization Symmetrized density matrix renormalization