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By Abstract: We consider a method how to perform logic operations on a hard disk drive with magnetic medium capable of superimposing the binary information. Such media consist of particles with a) different anisotropy fields and/or with b) different anisotropy axes orientations. The first is, for example, an oriented (perpendicular or patterned) medium with a distribution of anisotropy fields. The second is typical for a longitudinal medium. We demonstrate OR, AND, XOR and NOT operations and discuss a modification of a recording device. |
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