Note/Quantum Mechanics
Paul Dirac explains the transition from classical mechanics to quantum mechanics, focusing on the development of Bohr’s orbit theory and the limitations leading to new physical concepts. The lecture details the crucial insights gained from Heisenberg’s matrix mechanics and Hamilton’s earlier mathematical formulations.
The transcript of the lectures can be found in “Directions in physics: lectures delivered during a visit to Australia and New Zealand August/September 1975 / P. A. M. Dirac; edited by H. Hora and J. R. Shepanski; with a foreword by Sir Mark Oliphant”