Polarization 6 Quantum theory 6 Approximation theory 4 Computational methods 4 Current density 4 Electric field effects 4 Electric quadrupole polarizabilities 4 Magnetic shielding 4 Mathematical transformations 4 Nuclear magnetic shielding 4 Angular momentum 2 Atomic transition 2 COMPUTER PROGRAM NUCADA 2 COMPUTER SOFTWARE 2 Chiral discrimination 2 Computational studies 2 Electric excitation 2 Electric quadrupole polarisability of nuclear magnetic shielding 2 Electric quadrupole transition 2 Electric quadrupoles 2 Excitation profile 2 Independent components 2 Invariance of magnetic shielding multipole polarisabilities in a gauge translation 2 Magnetic dipole coupling 2 Molecules 2 NUCLEAR STRUCTURE 2 Optical rotation 2 Optical rotatory power 2 Orbital angular momentum 2 Origin dependence of magnetic shielding multipole polarisabilities 2