12 citations · 12 across the 1 of their papers we have counts for
2 papers
cond-mat2000★ 12 cited
Electronic Ladders with SO(5) Symmetry: Phase Diagrams and Correlations at half-filling
Holger Frahm, Martin Stahlsmeier
We construct a family of electronic ladder models with SO(5) symmetry which have exact ground states in the form of finitely correlated wave functions. Extensions for these models…
cond-mat1998
Spinon statistics in integrable spin-S Heisenberg chains
Holger Frahm, Martin Stahlsmeier
The spectrum of the integrable spin-S Heisenberg chains is completely characterized in terms of spin-1/2 spinons. In the continuum limit they form a quasi-particle basis to the hig…