Quantum-classical crossover of the escape rate in the biaxial nanomagnets with a higher order symmetry

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The crossover of the escape rate between thermally assisted and pure quantum tunneling is studied in biaxial magnetic nanoparticles with a high symmetry. The sequential crossover occurs in the presence of field applied along the hard axis. Molecular nanomagnets with larger transverse anisotropy are expected to make the peculiar crossovers more feasible in experiment.
Publisher
SPRINGER
Issue Date
2011-09
Language
English
Article Type
Article
Keywords

SPIN SYSTEM; MAGNETIC-FIELD; 2ND-ORDER TRANSITIONS; MOLECULAR CLUSTERS; PHASE-TRANSITIONS; REGIMES

Citation

EUROPEAN PHYSICAL JOURNAL B, v.83, no.1, pp.63 - 67

ISSN
1434-6028
URI
http://hdl.handle.net/10203/94991
Appears in Collection
EE-Journal Papers(저널논문)
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