Parametrically driven localized magnetic excitations with spatial inhomogeneity

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dc.creatorManickam, Saravanan
dc.creatorCardoso, Wesley Bueno
dc.date.accessioned2024-07-15T12:25:49Z
dc.date.available2024-07-15T12:25:49Z
dc.date.issued2019
dc.description.abstractIn this paper we study an inhomogeneous ferromagnet with uniaxial anisotropy and applied magnetic field via the magnetic field component of the propagating electromagnetic wave in the medium. It is observed that the magnetic excitations are governed by localized solutions and the corresponding electromagnetic wave is modulated in the form of soliton modes driven by the inhomogeneity. The localized solutions are obtained in an analytical way by employing a variational approach. The effect of different types of magnetic inhomogeneity is studied for three different types of ansätze. Interestingly, the regions of validity of each ansatz are slightly different, demonstrating that both may be interesting for understanding the whole system.
dc.identifier.citationSARAVANAN, M.; CARDOSO, Wesley B. Parametrically driven localized magnetic excitations with spatial inhomogeneity. Communications in Nonlinear Science and Numerical Simulation, Amsterdam, v. 69, p. 176-186, 2019. DOI: 10.1016/j.cnsns.2018.09.021. Disponível em: https://www.sciencedirect.com/science/article/pii/S1007570418303010. Acesso em: 1 jun.2023.
dc.identifier.doi10.1016/j.cnsns.2018.09.021
dc.identifier.issn1007-5704
dc.identifier.issne- 1878-7274
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S1007570418303010
dc.language.isoeng
dc.publisher.countryHolanda
dc.publisher.departmentInstituto de Física - IF (RMG)
dc.rightsAcesso Restrito
dc.subjectElectromagnetic wave propagation
dc.subjectReductive perturbation method
dc.subjectInhomogeneous NLS equation
dc.subjectSolitons
dc.titleParametrically driven localized magnetic excitations with spatial inhomogeneity
dc.typeArtigo

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