Solid State Physics

amorphous angular momentum anisotropy antiferromagnetic approximation arises assumed atomic orbitals atoms band Bloch bond calculation Chem coefficient component configuration constant contribution Coulomb covalent crystal field crystalline curve dependence dielectric discussed dispersion effect electron spin electron spin resonance energy levels equation experimental ferromagnetic free volume frequency g factor g shift given glass transition Hamiltonian hyperfine interaction hyperfine structure irreducible representations kinetic lattice ligand field theory linear magnetic field magnetic moment magnitude matrix element measured methacrylate mode modulus molecular orbitals molecule nuclear observed obtained one-electron operator orthogonal parameters perturbation phonon Phys polarization polyethylene Polymer Sci polymers potential Proc relaxation result retardation rotation Section side chain spectra spectrum spherical spin density spin resonance spin-orbit coupling spin-orbit interaction splitting structure superexchange symmetry theoretical tion transform unpaired electron valence vector wave functions