Theory of a structural phase transition in perovskite-type crystalsE. PytteJ. Feder1969Physical Review
Green's function approach to noise and differential conductivity of hot electronsE. Pytte1969Physik der Kondensierten Materie
Soft modes, critical fluctuations, and optical properties for a two-valley model of gunn-instability semiconductorsE. PytteH. Thomas1969Physical Review
Critical behavior of the pseudospin model of order-disorder type ferroelectricsE. PytteH. Thomas1968Physical Review
Low-temperature behavior of the anisotropic heisenberg antiferromagnet in the neighborhood of the magnetic phase boundariesJ. FederE. Pytte1968Physical Review
Ultrasonic attenuation in the heisenberg paramagnet. II. AntiferromagnetsErling PytteHerbert S. Bennett1967Physical Review