Quantum tunneling of two coupled single-molecular magnets

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dc.creatorHu, J. M.
dc.creatorChen, Z. D.
dc.creatorShen, S. Q.
dc.date2002-11-30
dc.date.accessioned2026-07-07T02:48:29Z
dc.date.available2026-07-07T02:48:29Z
dc.descriptionTwo single-molecule magnets are coupled antiferromagnetically to form a supramolecule dimer. We study the coupling effect and tunneling process by means of the numerical exact diagonalization method, and apply them to the recently synthesized supramoleculer dimer [Mn4]2 The model parameters are calculated for the dimer based on the tunneling process. The absence of tunneling at zero field and sweeping rate effect on the step height in the hysterisis loops are understood very well in this theory.
dc.description4 pages including 3 figure and 1 table
dc.identifierhttps://arxiv.org/abs/cond-mat/0212002
dc.identifierhttp://arxiv.org/abs/cond-mat/0212002
dc.identifierPhys. Rev. B 68, 104407 (2003)
dc.identifierdoi:10.1103/PhysRevB.68.104407
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20424
dc.subjectMesoscale and Nanoscale Physics
dc.subjectMaterials Science
dc.titleQuantum tunneling of two coupled single-molecular magnets
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