SEARCH Articles Figures Tables Dirac four-spinor Dirac spinor Dirac spinors four-component Dirac spinors molecular integrals Four-component Dirac spinor Kramers-Restricted 2-Spinor Matrix Dirac-Hartree-Fock Equations Matrix Dirac-Hartree-Fock Equations in a 2-Spinor Basis Spinors The Dirac Equation in 2-Spinor Form