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cond-mat.str-el2005
Dynamic spin Jahn-Teller effect in small magnetic clusters
M. Elhajal, F. Mila
We study the effect of spin-phonon coupling in small magnetic clusters, concentrating on a S=1/2 ring of 4 spins coupled antiferromagnetically. If the phonons are treated as classi…
cond-mat.str-el2005
Ordering in the pyrochlore antiferromagnet due to Dzyaloshinsky-Moriya interactions
M. Elhajal, B. Canals, R. Sunyer i Borrell +1
The Heisenberg nearest neighbour antiferromagnet on the pyrochlore (3D) lattice is highly frustrated and does not order at low temperature where spin-spin correlations remain short…