Publications
Journal Article (3)
1.
Journal Article
72, pp. K103 - K108 (1975)
On the frequency-dependent conductivity and the current operator of the Hubbard model. Phys. Stat. Sol. (b) 2.
Journal Article
19, pp. 226 - 232 (1975)
Das Plasmaexperiment auf Helios (E1). Raumfahrtforschung 3.
Journal Article
69, pp. K149 - K152 (1975)
A new upper bound for the free energy of the Hubbard model based on the cluster approach. Phys. Stat. Sol. (b)