The interaction of the resonant modes in the exchange-coupled two-layer canted antiferromagnet/ferromagnet heterostructure has been theoretically investigated. Expressions describing the dependence of the resonant frequencies of magnetization oscillations on the external magnetic field have been obtained by the method of Hamiltonian formalism. The effect of the coupling strength between the ferro- and antiferromagnetic layers on the width of the anti-crossing gap between the resonant mode of ferromagnet and the soft mode of antiferromagnet and on the magnitude of the external magnetic field at which hybridization is observed has been investigated. It is shown that increase in the antiferromagnet/ferromagnet exchange coupling constant leads to increase in the width of the anti-crossing gap and the magnitude of the external magnetic field at which hybridization is observed.
Meshcheryakov et al. (Wed,) studied this question.