Nuclear spin dynamics in the quantum regime of a single-molecule magnet

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dc.creatorMorello, Andrea
dc.creatorBakharev, Oleg N.
dc.creatorBrom, Hans B.
dc.creatorSessoli, Roberta
dc.creatorde Jongh, L. Jos
dc.date2004-03-03
dc.date2004-11-16
dc.date.accessioned2026-07-07T02:56:46Z
dc.date.available2026-07-07T02:56:46Z
dc.descriptionWe show that the nuclear spin dynamics in the single-molecule magnet Mn12-ac below 1 K is governed by quantum tunneling fluctuations of the cluster spins, combined with intercluster nuclear spin diffusion. We also obtain the first experimental proof that - surprisingly - even deep in the quantum regime the nuclear spins remain in good thermal contact with the lattice phonons. We propose a simple model for how T-independent tunneling fluctuations can relax the nuclear polarization to the lattice, that may serve as a framework for more sophisticated theories.
dc.descriptionRevTex, 4 pages, 3 eps figures. Final version appeared in PRL
dc.identifierhttps://arxiv.org/abs/cond-mat/0403107
dc.identifierhttp://arxiv.org/abs/cond-mat/0403107
dc.identifierPhys. Rev. Lett. 93, 197202 (2004)
dc.identifierdoi:10.1103/PhysRevLett.93.197202
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/23455
dc.subjectMesoscale and Nanoscale Physics
dc.subjectMaterials Science
dc.titleNuclear spin dynamics in the quantum regime of a single-molecule magnet
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