Spin-Wave Description of Nuclear Spin-Lattice Relaxation in Mn12O12 Acetate

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概要

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• In response to recent nuclear-magnetic-resonance (NMR) measurements on the molecular cluster Mn12O12 acetate, we study the nuclear spin-lattice relaxation rate 1/T1, developing a modified spin-wave theory. Our microscopic new approach, which is distinct from previous macroscopic treatments of the cluster as a rigid spin of S=10, not only excellently interprets the observed temperature and applied-field dependences of 1/T1 for 55Mn nuclei but also strongly supports the 13C NMR evidence for spin delocalization over the entire molecule.

著者

• Yamamoto S

  Hokkaido Univ. Sapporo Jpn

関連論文

• Possible nonlinear excitations in quasi-one-dimensional halogen-bridged binuclear metal complexes
• Bosonic representation of one-dimensional Heisenberg ferrimagnets
• Spin-Wave Description of Nuclear Spin-Lattice Relaxation in Mn12O12 Acetate

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