The Historical Development of Quantum Theory

absorption adiabatic Arnold Sommerfeld assumed assumption atomic structure became blackbody radiation Bohr's theory Boltzmann Born calculated chemical chemistry Debye degrees of freedom denoted derived developed discussed Ehrenfest Einstein electric electrodynamics electromagnetic electrons elements emission emitted entropy equation equilibrium equipartition theorem especially experimental field formula Franck frequency gases heat radiation Heisenberg Hertz Hilbert Institute integral investigations Jeans kinetic energy kinetic theory Klein Kossel later lectures light-quantum Lorentz magnetic mathematics Max Born Minkowski molecular molecules motion Munich Nernst Niels Bohr obtained his doctorate orbits oscillator paper Paschen periodic system Peter Debye phenomena physicists Planck Planck's constant Privatdozent problem Professor of Physics quantum mechanics quantum numbers quantum theory radiation law radiation theory resonators Rutherford Solvay Conference Sommerfeld specific heats spectra spectral lines spectrum Stark Stark effect stationary studied temperature theoretical physics thermodynamics Thomson University of Berlin University of Göttingen velocity wavelengths Wien Wien's wrote X-ray Zeeman Zeeman effect