Abstract
The time-resolved photoemission spectra of graphite near the Brillouin zone K and H points are obtained by the many-body time-dependent approach, where the nonradiative relaxation process of the excited electron by the phonon release is considered. The relaxation of the spectral weight is highly suppressed near the H point compared to the K point. This implies that the effective electron-phonon coupling near the K point is stronger than that near the H point.
| Original language | English |
|---|---|
| Pages (from-to) | 145-148 |
| Number of pages | 4 |
| Journal | Journal of Electron Spectroscopy and Related Phenomena |
| Volume | 182 |
| Issue number | 3 |
| DOIs | |
| State | Published - Dec 2010 |
Keywords
- Electron-phonon interactions
- Graphite
- Nonradiative relaxation
- Time-dependent many-body approach
- Time-resolved photoemission
- Zero-gap semiconductor