Magnetization distribution in a helicoidal structure containing a point defectстатья
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Аннотация:The helicoid that forms in an external magnetic field in the presence of a point defect is modeled in the framework of the Landau theory of second-order phase transitions. A general solution to the nonlinear problem retaining all terms in the Helmholtz free-energy functional is obtained by means of Green functions. The magnetization distribution in the plane perpendicular to the helicoid axis and to the external field is calculated. (C) 2004 MAIK "Nauka/Interperiodica ".