Quantum Mechanics Volume 1

A₁ amplitude analogous angular momentum arbitrary associated assume axis chap chapter classical mechanics closure relation coefficients complement components consider constant corresponding d³r defined definition depends E₁ E₂ eigenfunctions eigenstates eigenvalue equation eigenvectors electromagnetic electron energy levels equal evolution example expression figure formula frequency given H₁ ħ² Hamiltonian harmonic oscillator Hermitian hydrogen atom integral L₂ magnetic field matrix elements mean value measurement molecule motion normalized observables obtain one-dimensional orbitals orthonormal basis P₁ particle photons physical quantity physical system plane polarized position postulates potential energy probability density problem properties quantization quantum mechanics r₁ r₂ representation represents respect rotation scalar product Schrödinger equation space spectrum spherical harmonics spin stationary subspace t₁ tensor product transform unitary unitary operator variables vector velocity vibrational wave function wave packet written x₁ zero