Two-level systems in a spin-glass model: II. Three-dimensional model and effect of a magnetic field

Ordering, metastability and phase transitions in two-dimensional systems

1973 • 8,845 citations

Theory of one- and two-dimensional magnets with an easy magnetization plane. II. The planar, classical, two-dimensional magnet

1975 • 719 citations

Two-level systems in a spin-glass model. I. General formalism and two-dimensional model

1977 • 271 citations

Discussion of the band structure effects on thermoemission as deduced from a simple model

1976 • 14 citations