## Quantum Mechanics |

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### Contents

and Momentum ll | 13 |

Having a Discrete Spectrum 25 | 25 |

The Conditions Under Which Several Physical Quantities | 32 |

Copyright | |

39 other sections not shown

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### Common terms and phrases

according angle approximation arbitrary axis calculate called characterized charge charge conjugate coefficients commutation relationships components condition conjugate Consequently consider coordinate representation corresponds Coulomb cross section crystal defined definite value denote density density matrix depend described determined Dirac Dirac equation eigenfunctions eigenvalues elastic scattering electric electrons emission energy levels equal to zero example excited expressed Fermions follows formula free motion given Hamiltonian operator Hence integral irreducible representations lattice magnetic matrix elements mean value molecule momenta momentum operator neutrons normalized nuclei nucleons number of particles obtained occupation number representation operator H orbital angular momentum parity perturbation theory photons physical quantities potential energy properties quantum mechanics quantum number radiation relativistic respect rotation satisfy scalar scattering amplitude Schrodinger equation solution spatial spherical functions spin function spin-orbit interaction stationary Substituting symmetry system of equations taking into account tion total angular momentum transformation transition variables vector vibrations wave function Young diagram