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Showing 1996 · cond-mat.str-elShow all
3 papers · 2 filters
cond-mat.str-el1996★ 39 cited
Magnetic interactions and the pressure phase-diagram of CuGeO3
P. H. M. van Loosdrecht, J. Zeman, G. Martinez +3
A pressure and temperature dependent Raman study of the vibrational and spin dynamics in CuGeO3 is presented. A new low temperature, high pressure phase has been identified, and a…
cond-mat.str-el1996★ 3 cited
Substitution effects on spin fluctuations in the spin-Peierls compound CuGeO_3
M. Fischer, P. Lemmens, G. Güntherodt +4
Using Raman scattering we studied the effect of substitutions on 1D spin fluctuations in CuGeO_3 observed as a spinon continuum in frustration induced exchange scattering. For temp…
cond-mat.str-el1996★ 19 cited
The J_1-J_2 model revisited : Phenomenology of CuGeO_3
V. N. Muthukumar, Claudius Gros, Roser Valenti +6
We present a mean field solution of the antiferromagnetic Heisenberg chain with nearest (J_1) and next to nearest neighbor (J_2) interactions. This solution provides a way to estim…