
Subject Index 1497
– asymmetric 493
symmetry analysis 498
– eigenvalue graph 493
– symmetric 29
representation function 29
Ritz formula 185
R-matrix 1366
– fixed nuclei 723
– method 712
R-matrix–Floquet method 726
rock salt lattice 596
Rodrigues formula 167
rotating frame
– molecular 517
– optical 242, 1001
rotating wave approximation 1001,
1010, 1093, 1128, 1169
rotation
– dynamics
semiclassical 494
– group
SU(2) group (SO(3, R)) 10
Clebsch–Gordan series 337
irreducible representations
(irreps) 337
Lie algebra SO(3) 88
– matrices 18
– parametrization
Euler angles 19
rotation matrices 517, 559
– as generalized Fourier transforms
493
– as rigid rotor eigenfunctions 492
rotational branch strengths 526
rotational branches, molecular 521
rotational coupling matrix elements
766, 767
rotational energy surface 494
– asymmetrical gyro-rotor, diagram
511
–diagram 495, 501
– multiple 507
– octahedral and tetrahedral 500
– quadrupole 508
– scalar monopole 508
– spherical gyro-rotor, diagram
508
– vector dipole 508
rotational excitation, theory 722
rotational invariants
– solid harmonic expansions 14
rotational scattering 977
rotational structure 497
– octahedral and tetrahedral 500
rotational symmetry
– molecular 517
rovibrational coupling 491
rovibrational structure 95, 503
–diagram 504
Rowland circle 647
Runge–Kutta method 142
Runge–Lenz vector 81
Russell–Saunders (LS) coupling
177, 179
– allowed LS terms 178
Russian doll 505, 595
Rutherford cross section 671, 686,
1375, 1376
Rydberg atom 1174
– in electric fields 238
– in magnetic fields 241
– in microwave fields 242
– microwave ionization 1084
– optical excitation 237
– radiative lifetimes 237
– wave functions for 235
Rydberg atom collisions 243, 836
– binary encounter approximation
852
– Born approximation 858
capture 859
– classical impulse approximation
849
– classical scattering theory for 841
– elastic n → n
transitions 844
– fine structure transitions 844
– inelastic n → n
transitions 843
Born results for 843
– inelastic n,changing transitions
842
– momentum distribution functions
840
– quantal impulse approximation
845, 849
– quasi-elastic mixing transitions
844
– quasifree electron model 842
– semiquantal impulse approximation
851
– spatial distribution functions 840
– types of collision processes 836
Rydberg constant 5
Rydberg formula 184, 905
Rydberg states 829
– autoionizing 244
– basic properties 836
–high 237, 239
–inclusters 600
– in laser fields 726
– quantum nondemolition experiment
1194
Rydberg unit 5
Rydberg wave packet 1071
– free evolution (diagram) 1072
S
saddle-point method
– for autoionizing states 316
Sagnac effect 1136
Saha distribution, definition 802
Saha–Boltzmann formula 1308
satellite lines 887
saturable absorption
– optical nonlinearities 1058
saturation 1005
– in ion–molecule reactions 582
– laser 1015
– parameter 1005
– spectroscopy 1015
scale height 1260
scaled-energy spectroscopy 248
scaling transformation 90
scattering
– electron
by atoms in laser field 725
by ions in laser field 725
scattering (see collisions, light
scattering, and particular
processes) 1006
scattering amplitude 664, 671, 672,
674, 675, 679, 706, 707, 769, 771,
882, 915, 917, 930, 936, 938
– Born, second 866
– capture 955
– continuum distorted wave 783
– distorted wave strong potential
Born (DSPB) 795
– for polarization phenomena 701
– impulse approximation for 848
–spinflip 701
scattering equations 743
scattering length 708, 1110, 1111,
1119, 1127
– effective 1119
– in elastic scattering 668
–sign 1111
– s-wave 1129
– tuning 1119
– use of, in Rydberg collisions 842
– values for noble gas atoms 669
scattering matrix 555
scattering signal calculation 971
scattering theory
– adiabatic nuclei approximation
722
– angular momentum recoupling
709
Subject Index