Journal of Superconductivity and Novel Magnetism

, Volume 30, Issue 4, pp 1115–1122 | Cite as

The Influence of External Magnetic Field on the Spectra of Magnetic Polaritons and Magnetostatic Waves

Original Paper
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Abstract

The present study theoretically investigates for the localized magnetic polaritons at the junction of two antiferromagnetic superlattices coupled by the antiferromagnetic film in the presence of external magnetic field. The calculation of the localized magnetic polariton (surface-guided) modes proceeds by solving full Maxwell’s equations with electromagnetic boundary conditions at the junction with the antiferromagnetic film. We use the effective medium theory in the framework which the antiferromagnetic superlattice behaves like an anisotropic bulk medium. The influence of the external magnetic field on the spectrum of surface-guided polaritons and the dependence on the physical properties of the contact film were investigated numerically for various antiferromagnetic systems. The results obtained in this study will facilitate the development of engineering applications, such as waveguide devises.

Keywords

Effective medium Magnetic superlattice Magnetostatic waves Dispersion relation Magnetic superlattices 

Notes

Acknowledgments

I thank Dr. Erkan Bostanci for helping.

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.Business Administration Department of Karabuk University, Demircelik CampusKarabukTurkey

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