Molecular field theory, the onsager reaction field, and the spherical modelH. ThomasR. Brout2008Journal of Applied PhysicsPaper
Tunnelling and collective excitations in a microscopic model of ferroelectricityR. BroutK.A. Mülleret al.1966Solid State CommunicationsPaper
Nature of the crystalline solid at elevated temperaturesRobert BroutStephen Nettelet al.1964Physical Review LettersPaper