Bloch line creation in ferrogarnet films in an alternating magnetic field

Peculiarities of inductive response of ferrogarnet films to alternating magnetic field applied in specimen plane are investigated. Experimental data demonstrate relation between secondary signal anomalies with nonlinear process of Bloch line generation within polarized domain boundaries. Fields of line generation are determined and time characteristics of the process are studied on the basis of the obtained data. Formation mechanism for vertical lines using 2π-horizontal ones is suggested