Interference effect in the Landau-Zener tunneling of the antiferromagnetically coupled dimer of single-molecule magnets

6533b85efe1ef96bd12c082f

RESEARCH PRODUCT

Interference effect in the Landau-Zener tunneling of the antiferromagnetically coupled dimer of single-molecule magnets

Dmitry A. Garanin

subject

Physics Condensed Matter - Materials Science Statistical Mechanics (cond-mat.stat-mech)Condensed matter physics Dimer Phase (waves)Materials Science (cond-mat.mtrl-sci)FOS: Physical sciences Resonance Condensed Matter::Mesoscopic Systems and Quantum Hall Effect Condensed Matter Physics Electronic Optical and Magnetic Materials Magnetic field Minimal model chemistry.chemical_compound Tunnel effect chemistry Magnet Condensed Matter - Statistical Mechanics Quantum tunnelling

description

Two antiferromagnetically coupled tunneling systems is a minimal model exhibiting the effect of quantum-mechanical phase in the Landau-Zener effect. It is shown that the averaged staying probability oscillates vs resonance shift between the two particles, as well as vs sweeping rate. Such a resonance shift can be produced in Mn-4 dimers by the gradient of the magnetic field.

year	journal	country	edition	language
2004-04-30	Physical Review B

https://doi.org/10.1103/physrevb.70.212403

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