Macroscopic Quantum Phase Interference in Antiferromagnetic Particles

Details Macroscopic Quantum Phase Interference in Antiferromagnetic Particles Macroscopic Quantum Phase Interference in Antiferromagnetic Particles

2000-01-11

arxiv.org/abs/cond-mat/0001144v1

J. Phys.:Conds. Matter 12 (2000) L87

Physics

Condensed Matter

8 pages, 2 postscript figures, to appear in J. Phys.: Condes. Matter

Scientific paper

10.1088/0953-8984/12/6/104

The tunnel splitting in biaxial antiferromagnetic particles is studied with a magnetic field applied along the hard anisotropy axis. We observe the oscillation of tunnel splitting as a function of the magnetic field due to the quantum phase interference of two tunneling paths of opposite windings. The oscillation is similar to the recent experimental result with Fe}$_8$\textrm{\ molecular clusters.}

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