Page 1523




–cross section 905, 913, 934, 952






–stationary states 907, 932






–amplitude 909, 934






–integral equation 915






–resonances 73, 936, 963 (e)






–shadow scattering 953






–of spin 1/2 particles 1082, 1087 (e)






–by a hard sphere 960, 962 (e)






–form factor 1360 (e)






Schottky anomaly 628






Schrödinger equation 19, 222, 236, 299






–in the position or momentum representations 184, 186






–solution for conservative systems 245






Schrödinger picture 312






Schwarz inequality 165






Section (cross): see cross section






Secular approximation 1297, 1340






Selection rules 249






–for an even or odd operator 195






–for multipole moments 1069, 1090 (e)






–see dipole (electric and magnetic) and quadrupole (electric)






Self-consistent potential 1412






Semiconductor 810, 1445






Set (Complete Set of Commuting Observables: C.S.C.O.) 143, 159, 206 (e), 235






Shadow scattering 953






Shell (electronic) 799, 1414






Singlet 1008, 1426






Slater determinant 1390






Solids






–energy bands of the electrons 373, 378, 1156, 1432, 1442






–hydrogen-like systems in solids 809






Specific heat






–of a solid 626, 1438






–of a two-level system 627






–of an electron gas 1436






Spectral terms 1418, 1424, 1447 (e)






Spectroscopic notation 800, 1086, 1225, 1424






Spectrum






–of an observable 132, 216






–continuous 138, 218, 263






Sphere (hard) scattering 960, 962 (e)






Spherical






–harmonics: see harmonics






–free spherical waves 921, 924, 940, 947






–Bessel functions 924, 944, 945, 947






–Neumann functions 947






Spin 965






–quantum mechanical description 388, 970, 974






–fictitious 424, 1325






–system of two spin 1/2' s 430, 1003, 1013, 1018, 1087 (e)






–spin-orbit coupling 1001, 1215, 1223, 1261






–spin-statistics theorem 1387






Spinor (two-component) 975, 988






Spontaneous emission 338, 619, 1282, 1321, 1345, 1355






Spreading of a wave packet 64, 342 (e)






Square potentials 34, 67, 79, 269, 280






Standard






–representation of the angular momentum 652, 666






–components of a vector operator 1089 (e)






Stark effect 1279






State






–vector 108, 214, 235






–time evolution 222, 308






–stationary 32, 67, 246, 351






–eigenstate 17, 132, 216, 231






–after a measurement 220






–see density, final






Stationary phase condition 25, 58






Stationary states 32, 67, 245






–of a particle in an arbitrary potential well 351






–in a periodic potential 367






–in a central potential 776






Statistics






–spin-statistics theorem 1387






–quantum statistics 1398






Step (potential) 36, 69, 79, 281






Step function 1475






Stern-Gerlach experiment 388






Stokes (Raman line) 517, 725






Structure: see fine and hyperfine






Superposition






–principle 14, 215, 236, 252






–coherent superposition 253, 296, 302






Susceptibility






–electric 468, 555, 1280, 1317






–magnetic 1202 (e), 1438






–see linear, non-linear, tensor






Symmetric






–ket, state 1380, 1384






–observable 1381, 1393






Symmetrization






–of observables 223






–postulate 1386, 1406






Symmetrizer 1380, 1384






Systematic degeneracy: see degeneracy







T






Tensor






–susceptibility 1204 (e), 1358 (e)






–interaction 1122






–operator 1089 (e), 1090 (e)






Tensor product






–definition and properties 153






–applications 199, 430






–state 292, 306






Terms (spectral) 1408, 1424, 1447 (e)






Thermodynamic equilibrium






–generalities 304






–spin 1/2 440






–harmonic oscillator 620






–electron gas 1436






Thomas-Reiche-Kuhn (sum rule) 1419






Thomas precession 1215






Torsion oscillations 520






Townes (Autler-Townes effect) 1359 (e)






Trace






–of an operator 166






–partial 305


Start of Citation[PU]John Wiley & Sons, Inc. (US)[/PU][DP]1977[/DP]End of Citation