FORRESTER, D.M., KUERTEN, K.E. and KUSMARTSEV, F.V., 2011. Fundamental design paradigms for systems of three interacting magnetic nanodiscs. Applied Physics Letters, 98 (163113), 3pp.
The magnetic properties of a system of three interacting magnetic elliptical disks are examined. For the various levels of uniaxial anisotropy investigated a complicated series of phase transitions exist. These are marked by the critical lines of stability that are demonstrated in an applied magnetic field plane diagram.
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The following article appeared in Applied Physics Letters and may be found at: http://dx.doi.org/10.1063/1.3581048