Theoretical aspects of demagnetization tensors

@article{Moskowitz1966TheoreticalAO,
  title={Theoretical aspects of demagnetization tensors},
  author={R. Moskowitz and E. Torre},
  journal={IEEE Transactions on Magnetics},
  year={1966},
  volume={2},
  pages={739-744}
}
A magnetometric demagnetization tensor is defined for uniformly-magnetized samples of arbitrary geometry. It is shown that this is a real symmetric tensor with non-negative diagonal elements and unit trace. Diagonalization of the magnetometric demagnetization tensor yields the Brown-Morrish equivalent ellipsoid and the conclusion that Stoner-Wohlfarth particles of any surface geometry have only two easy directions of magnetization. Transformation of the tensor, subject to periodicity… Expand
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