Recent Advances in Atomic Physics, Volume 2

angle Ångström azimuthal quantum black body Bohr Bohr magneton Bohr's calculation cell classical collisions Compton effect constant corresponding Curie constant curve determined direction distribution electric electromagnetic electron elements emission emitted energy levels entropy equal equation excited experimental experiments explained expression fact Fermi formula frequency function gases give given helium hence hydrogen atom incident intensity ionisation kinetic energy large number light quants magnetic field magnetic moment magnetisation magneton mass measured metal molecules momentum motion n₁ n₂ nucleus observed obtained orbit oscillator paramagnetic particle phenomena phenomenon photoelectric photoelectric effect physics Planck's Planck's constant potential problem quantisation quantity quantum mechanics quantum theory radiation rays result rotation scattered Schrödinger's Sommerfeld specific heat spectra spectral lines spectrum stationary statistics substance temperature total energy total quantum number vector velocity vibrations volts wave mechanics wave-length X-rays Zeits zero