## A modern approach to quantum mechanics |

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### Contents

SternGerlach Experiments | 1 |

Rotation of Basis States and Matrix Mechanics | 24 |

Angular Momentum | 64 |

Copyright | |

13 other sections not shown

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### Common terms and phrases

ammonia molecule amplitude angle angular momentum operators axes axis beam calculate Chapter classical commutation relations constant Coulomb cross section determine differential equation Dirac direction discussion eigenstates electric field electromagnetic field electron energy eigenfunctions energy eigenstates energy eigenvalue equation energy levels evaluate example expectation value express FIGURE Gaussian given Hamiltonian harmonic oscillator Hermitian operators hydrogen atom integral interaction intrinsic spin ket vector kinetic energy lowering operators magnetic field magnitude matrix elements matrix representation measurement of Sz nonzero obtain one-dimensional orbital angular momentum overall phase path perturbation theory photon physical plane polarization position space position-space potential energy Problem quantum mechanics radial relativistic rotation operator satisfy scattering Schrodinger equation SG device shown in Fig shows solution spherical spin angular momentum spin-1 particle Stern-Gerlach experiments superposition symmetry Sz basis total spin transition translations two-particle uncertainty relation vanishes vector potential wave function zero