S-mixing and quantum tunneling of the magnetization in molecular nanomagnets

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The role of $S$-mixing in the quantum tunneling of the magnetization in nanomagnets has been investigated. We show that the effect on the tunneling frequency is huge and that the discrepancy (more than 3 orders of magnitude in the tunneling frequency) between spectroscopic and relaxation measurements in Fe$_8$ can be resolved if $S$-mixing is taken into account.
REVTEX, 10 pages, 3 jpg figures, to appear in PRL

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http://salesiana.dossiersoluciones.com/handle/123456789/23647

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0404011
 http://arxiv.org/abs/cond-mat/0404011
 Phys. Rev. Lett. 92, 207205 (2004)
 doi:10.1103/PhysRevLett.92.207205

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arXiv