title: Electron-hole correlation effects in core-level spectroscopy probed by the resonant inelastic soft x-ray scattering map of C60.
abstract: We have employed a unique spectroscopic approach, a resonant inelastic soft x-ray scattering (RIXS) map, to identify and separate electron-hole correlation effects in core-level spectroscopy. With this approach, we are able to derive a comprehensive picture of the electronic structure, separating ground state properties (such as the HOMO-LUMO separation) from excited state properties (such as the C 1s core-exciton binding energy of C(60)). In particular, our approach allows us to determine the difference between core- and valence exciton binding energies in C(60) [0.5 (±0.2) eV]. Furthermore, the RIXS map gives detailed insight into the symmetries of the intermediate and final states of the RIXS process.
authors.affiliation: Universität Würzburg, Experimentelle Physik VII, Am Hubland, 97074 Würzburg, Germany. lothar.weinhardt@physik.uni-wuerzburg.de
authors.forename: L
authors.initials: L
authors.lastname: Weinhardt
authors.forename: O
authors.initials: O
authors.lastname: Fuchs
authors.forename: D
authors.initials: D
authors.lastname: Batchelor
authors.forename: M
authors.initials: M
authors.lastname: Bär
authors.forename: M
authors.initials: M
authors.lastname: Blum
authors.forename: J D
authors.initials: JD
authors.lastname: Denlinger
authors.forename: W
authors.initials: W
authors.lastname: Yang
authors.forename: A
authors.initials: A
authors.lastname: Schöll
authors.forename: F
authors.initials: F
authors.lastname: Reinert
authors.forename: E
authors.initials: E
authors.lastname: Umbach
authors.forename: C
authors.initials: C
authors.lastname: Heske