The recently observed spin-wave energy dispersion along the antiferromagnetic zone boundary in (formula presnted) is discussed in terms of double occupancy and competing interaction effects in the (formula presnted) Hubbard model on a square lattice.
|Original language||English (US)|
|Number of pages||3|
|Journal||Physical Review B - Condensed Matter and Materials Physics|
|State||Published - 2002|
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics