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TT: Tiefe Temperaturen
TT 18: Korrelierte Elektronensysteme (Theorie)
TT 18.4: Vortrag
Donnerstag, 25. März 1999, 10:45–11:00, F3
Theoretische Beschreibung von Ladungsanregungen in Kupraten — •C. Waidacher, J. Richter, R. Hetzel, and K. W. Becker — Institut f"ur Theoretische Physik, TU Dresden, D-01062 Dresden
We investigate Cu 2p3/2 X-ray photoemission spectra of low-dimensional undoped cuprates within a 3-band Hubbard model, using a cumulant projection technique. The interplay of charge- and spin-degrees of freedom is discussed. We compare the results to those of Quantum-Monte Carlo calculations, exact diagonalization calculations and to several experimental spectra.