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cond-mat2000★ 32 cited
The dynamics of a hole in a CuO_4 plaquette: electron energy-loss spectroscopy of Li_2CuO_2
S. Atzkern, M. Knupfer, M. S. Golden +7
We have measured the energy and momentum dependent loss function of Li_2CuO_2 single crystals by means of electron energy-loss spectroscopy in transmission. Using the same values f…
cond-mat1996★ 15 cited
Cumulant approach to weakly doped antiferromagnets
Matthias Vojta, Klaus W. Becker
We present a new approach to static and dynamical properties of holes and spins in weakly doped antiferromagnets in two dimensions. The calculations are based on a recently introdu…