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Effects of magnetic frustration in spin ½ quantum chain systems
(Max-Planck-Institut für Festkörperforschung, Stuttgart)
Frustration in one-dimensional spin ½ systems can lead to ground states which have no classical analogue, such as described e.g. by the Majumdar-Ghosh Hamiltonian. I will present specific heat, susceptibility, high field magnetization and neutron diffraction on one-dimensional Cu2+ compounds which are magnetically frustrated due to nearest- and next-nearest-neighbour exchange interactions along the chain. |
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