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cond-mat.mtrl-sci2006
Dynamical spin chirality and spin anisotropy in gapped S=1/2 quantum systems
J. E. Lorenzo, C. Boullier, L. P. Regnault +2
We have studied the spin anisotropy in spin-singlet ground state compounds and the magnetic chirality, as measured by inelastic polarized neutron scattering techniques, in the chai…
cond-mat.str-el2006
Charge density waves in Sr_14-xCa_xCu_24O_41: electron correlations vs. structural effects
K. -Y. Choi, M. Grove, P. Lemmens +7
We report inelastic light scattering experiments in the spin-chain and ladder system Sr_14-xCa_xCu_24O_41. A depletion of an electronic background is observed for 0 < x < 5 at low…