## Quantum mechanics: non-relativistic theory |

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### Contents

THE BASIC CONCEPTS OF QUANTUM MECHANICS 1 The uncertainty principle | 1 |

2 The principle of superposition | 6 |

3 Operators | 8 |

Copyright | |

157 other sections not shown

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### Common terms and phrases

according angle antisymmetrical applied approximation atom axes axis calculated centrally symmetric field classical mechanics coefficient collision commutation complex conjugate components condition constant continuous spectrum coordinates corresponding Coulomb Coulomb field definite values degeneracy denote derived determined diagonal direction discrete spectrum eigenfunctions eigenvalues elastic scattering energy levels exponentially factor finite formula gives Hamiltonian Hence infinity integral interaction irreducible representations large distances linear magnetic matrix elements mean value molecule momenta motion neutron non-zero normal nucleons nucleus obtain operator orbital angular momentum parity particle perturbation theory physical quantity plane possible values potential energy probability PROBLEM properties protons quantum mechanics quantum number quasi-classical region relation respect result rotation scalar scattering amplitude Schrodinger's equation solution spherical spinor spinor of rank stationary Substituting suffixes symmetry tensor tion total angular momentum total spin transformation transition upper half-plane variable vector velocity vibrations wave function zero