2 papers
cond-mat.str-el2004
Metallizing the Mott insulator TiOCl by electron doping: a view from LDA+DMFT
L. Craco, M. S. Laad, E. Müller-Hartmann
Based on recent experiments, we describe the Mott insulating, but undimerized state of using the local-density approximation combined with multi-orbital dynamical mean fiel…
cond-mat.stat-mech2001
Exact bounds on the critical frustration in the Shastry-Sutherland Model
Ute Löw, Erwin Müller-Hartmann
We discuss the phase diagram of the Shastry-Sutherland model for arbitrary spin S and derive rigorous lower and upper bounds on the phase boundaries of the dimer phase by using var…