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High Energy Dynamics of the Single Impurity Anderson Model
Carsten Raas, Götz S. Uhrig, Frithjof B. Anders
The quantitative control of the dynamic correlations of single impurity Anderson models is essential in several very active fields. We analyze the one-particle Green function with…
Dynamic Structure Factor of the Two-Dimensional Shastry-Sutherland Model
Christian Knetter, Goetz S. Uhrig
We calculate the 2-triplon contribution to the dynamic structure factor of the 2-dimensional Shastry-Sutherland model, realized in SrCu2(BO3)2, by means of perturbative continuous…
Spectral properties of the dimerized and frustrated chain
Kai P. Schmidt, Christian Knetter, Götz S. Uhrig
Spectral densities are calculated for the dimerized and frustrated S=1/2 chain using the method of continuous unitary transformations (CUTs). The transformation to an effective tri…
Evidence for a large magnetic heat current in insulating cuprates
M. Hofmann, T. Lorenz, K. Berggold +4
The in-plane thermal conductivity of the two-dimensional antiferromagnetic monolayer cuprate SrCuOCl is studied. Analysis of the unusual temperature dependence of $…