Abstract
Using a model for the magnetic properties of solid which includes both Heisenberg exchange and the motion of ground-state vacancies (concentration ∼ ), we predict via mean-field theory a first-order paramagnetic- to ferromagnetic-phase transition.
- Received 18 June 1975
DOI:https://doi.org/10.1103/PhysRevLett.35.673
©1975 American Physical Society