PINNED DOMAIN-WALL STRUCTURE IN MAGNETIC-FIELD

The pinned domain-wall (DW) structure is investigated using a perturba tional approach in terms of the inverse quality factor IIQ and the rat io of H(parallel-to)/H(k) (H(parallel-to) being the component magnetic field parallel to the anisotropy axis, H(k) being the anisotropy fiel d). The parallel component field gives rise to asymmetric boundary con ditions which asymmetrize the DW structure. Dependence of the DW energ y, static DW structure, and width on the orientation and the strength of the magnetic field has been evaluated and the corresponding Kondors ky function obtained.