The CHC Adaptive Search Algo-rithm
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A magnetic device comprising at least a thin layer of a magnetisable material which shows an easy axis of magnetisation which extends approximately at right angles to the surface of the layer. Magnetic domains are produced, maintained and, if desireable, destroyed in the layer. A driving force is present for the transport of a domain. An alternating magnetic field having a frequency exceeding that of the driving force is produced at right angles to the plane of the thin layer as a result of which the transport of the domains is facilitated.