Spurious first-order phase transitions in the self-consistent phonon approximationE. Pytte1972Physical Review Letters
Soft heat diffusion mode at first order displacive phase transitionsE. PytteH. Thomas1972Solid State Communications
Tunneling model of phase changes in tetragonal rare-earth crystalsE. PytteK.W.H. Stevens1971Physical Review Letters
Theory of phase transitions in the -tungsten structure induced by the band jahn-teller effectE. Pytte1971Physical Review B
Structural phase transitions in spinels induced by the Jahn-Teller effectE. Pytte1971Physical Review B
Theory of a structural phase transition in perovskite-type crystals. II. Interaction with elastic strainJ. FederE. Pytte1970Physical Review B
Soft-mode damping and ultrasonic attenuation at a structural phase transitionE. Pytte1970Physical Review B
Theory of a structural phase transition in perovskite-type crystalsE. PytteJ. Feder1969Physical Review