Quantum Mechanics, Non-relativistic Theory |
Contents
THE BASIC CONCEPTS OF QUANTUM MECHANIC 1 The uncertainty principle | 1 |
2 The principle of superposition | 6 |
3 Operators | 8 |
Copyright | |
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A₁ angle antisymmetrical approximation asymptotic atom axes axis C₁ C₂ calculated classical mechanics coefficients collision commute complex conjugate components condition constant continuous spectrum corresponding definite values degeneracy denote determined diagonal discrete spectrum distances effective cross-section eigenfunctions eigenvalues elastic scattering electron terms energy levels expression factor finite follows formula given gives Hamiltonian Hence inelastic infinite infinity integral interaction irreducible representations L₁ L₂ Let us consider linear matrix elements mean value molecule momenta motion normalised nuclei obtain operator orbital angular momentum orthogonal particle perturbation theory physical quantity plane potential energy probability PROBLEM quantity ƒ quantum mechanics quantum number quasi-classical relation respect result rotation scattering amplitude SCHRÖDINGER's equation solution spinor spinor of rank splitting stationary Substituting suffixes symmetry symmetry group tion total angular momentum total spin transformation transitions vanishes variables vector velocity vibrations wave function zero