The Feynman Lectures on Physics: Quantum mechanics

a-particle absolute square ammonia ammonia molecule amplitude to find angle angular momentum apparatus axis beam behavior benzene Bose particles C₁ Chapter classical classical mechanics coefficients complete counter course crystal definite energy depends describe detector direction electric field electron energy levels equal equation example experiment factor Fermi particles filter frequency give given Hamiltonian happens hole hydrogen atom idea identical particles interaction interference light look magnetic field magnetic moment matrix means motion multiplied neutron notation nucleus operator oscillating P₁ phase photon physics polarized position possible potential probability amplitude problem quantum mechanics result rotation scattering Schrödinger Schrödinger equation set of base shown in Fig solution spin one-half particle spin-one Stern-Gerlach Suppose symmetry theory thing transformation two-state system uncertainty principle vary vector wave function wave number wavelength write x-direction z-axis zero