Quantum Magnetic Deflagration in Mn12 Acetate

We report controlled ignition of magnetization reversal avalanches by surface acoustic waves in a single crystal of Mn12 acetate. Our data show that the speed of the avalanche exhibits maxima on the magnetic field at the tunneling resonances of Mn12. Combined with the evidence of magnetic deflagrati...

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Bibliographic Details
Published in:arXiv.org 2005-07
Main Authors: Hernandez-Minguez, A, Hernandez, J M, Garcia-Santiago, F MaciaA, Tejada, J, Santos, P V
Format: Article
Language:English
Subjects:
Avalanches
Deflagration
Magnetic fields
Magnetization reversal
Quantum tunnelling
Single crystals
Surface acoustic waves
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Summary:We report controlled ignition of magnetization reversal avalanches by surface acoustic waves in a single crystal of Mn12 acetate. Our data show that the speed of the avalanche exhibits maxima on the magnetic field at the tunneling resonances of Mn12. Combined with the evidence of magnetic deflagration in Mn12 acetate (Suzuki et al., cond-mat/0506569) this suggests a novel physical phenomenon: deflagration assisted by quantum tunneling.
ISSN:2331-8422
DOI:10.48550/arxiv.0507337