The relation between dipole and momentum matrix elements in crystals, treated with periodic boundary conditions, is revisited. A correction term to standard expressions is found to be large for bulk GaAs, small for THz transitions.
|Original language||English (US)|
|Title of host publication||Frontiers in Optics, FiO 2014|
|Publisher||Optical Society of America (OSA)|
|Publication status||Published - Oct 14 2014|
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics