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cond-mat.str-el2000★ 23 cited
Magnetic properties of (VO)_2P_2O_7: two-plane structure and spin-phonon interactions
G. S. Uhrig, B. Normand
Detailed experiments on single-crystal (VO)_2P_2O_7 continue to reveal new and unexpected features. We show that a model composed of two, independent planes of spin chains with fru…
cond-mat.str-el2000
SrCu_2(BO_3)_2 - a Two Dimensional Spin Liquid
Christian Knetter, Alexander Buehler, Erwin Mueller-Hartmann +1
We study an extended Shastry-Sutherland model for SrCu_2(BO_3)_2 and analyze the low lying parts of the energy spectrum by means of a perturbative unitary transformation based on f…