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cond-mat.str-el1998
Classical frustration and quantum disorder in spin-orbital models
J. Zaanen, L. F. Feiner, A. M. Oles
The most elementary of all physical spin-orbital models is the Kugel-Khomskii model describing a S=1/2, degenerate Mott-insulator. Recent theoretical work is reviewed reveali…
cond-mat.str-el1998
Spin-only approach to quantum magnetism in the ordered stripe state
J. Tworzydlo, C. N. A. van Duin, J. Zaanen
It has been argued that the spin-dynamics in cuprate superconductors is governed by the proximity to a zero-temperature critical point. This critical point would be related to a tr…
cond-mat.str-el1998
Spontaneous orientation of a quantum lattice string
Osman Y. Osman, Wim van Saarloos, Jan Zaanen
Using exact diagonalization and quantum Monte-Carlo techniques we study a quantum lattice string model introduced as a model for a single cuprate struipe. We focus on the ground st…