SEARCH Articles Figures Tables A+ spin-orbit matrix element Density matrices in spin-orbital and coordinate representations Density matrix approach to nuclear spin relaxation Dirac spin matrices Electron propagator spin matrix elements Electron spin resonance matrices Fock matrix high-spin open-shell Hamiltonian matrix spin-rotation coupling High spins energy matrix Matrix and Spin Operators Matrix element spin-orbit interaction Matrix element spin-other-orbit Matrix elements many-electron spin-orbit Matrix elements spin-orbit, determination Matrix four-spin cases Matrix isolation electron spin resonance Matrix isolation electron spin resonance technique Matrix spin relaxation Matrix spin-orbit coupling Matrix three-spin cases Obtaining Spin-Orbit Matrix Elements Pauli spin matrices Potential matrix element spin-orbit Reduced density-matrix spin factors Spin Hamiltonian matrix Spin matrices Spin matrices Spin matrices four-component Spin reduced density matrices Spin-density matrix Spin-independent matrices Spin-orbit diagonal matrix elements Spin-orbit matrix Spin-orbit matrix elements Spin-orbit perturbation matrix elements Spin-other-orbit interaction matrix elements The Density Matrix Representation of Spin States