Aharonov analyticity anharmonicity approximants bipolaron Bohm Brillouin Casimir Chern chromodynamics Coulombic CPN D D2 Darboux dileptonic eigenenergies eigenergies eigenparameters entropies fermionic Fock functionals gauge Ginzburg GR GR2 H H2 Hamiltonians Hartree heliumlike Hellmann Hermitian HHe Hulthen hydrogenic Hylleraas hyperradius hyperspherical hypervirial instantons interdimensional intrashell Ising isoelectronic Kramers L Lambdar2 Laplacian Lennard magnetoexcitons mesic Mie mixings multipole N Nc Niels noninteger nonlocality nonperturbation nonrelativistic nonseparable nonvariational O Pade Pekeris perturbational perturbative photoionization Plancks Plaquette positronium Primakoff pseudoharmonic pseudomolecular pseudopotential pseudopotentials Q Q1qbar2 QCD QCD2 quarkonia quasiclassical R R12 R2 Regge resummation rovibrational S semiclassical Simons Skyrme Sturmian SU supersymmetric supersymmetry Symanzik than4 V Vanderwaals Varshni virial wavefunctions Wentzel WKB X2 Xn Yukawa Z Ze2 Zeeman