Coupled nonlinear waves in a composite magnetic–semiconducting medium

The soliton solution for the nonlinear waves has been investigated in a composite magnetic-semiconducting medium. By using a hydrodynamic model of an infinite medium magnetized along the direction of propagation, a set of coupled nonlinear Zakharov equations has been derived. In the absence of carriers or magnetization, two extreme cases for the two independent decoupled nonlinear modes have been discussed. The propagation regions have also been numerically analyzed for the soliton solutions.

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Soliton propagation in a magnetic-semiconducting medium

Ali

Shah

2016

Mod. Phys. Lett. B

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Coupled Waves in the Periodic Composite Magnetic-Semiconducting Media

Shaikh¹,

Ali²

2011

PIER M

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Abstract-The Alfven-spin and helicon-spin waves are analyzed in both sinusoidal periodic and layered periodic structures. These periodic structures are composed of a single composite medium having the properties of both magnetic and semiconducting materials. Numerical analysis of the dispersion relations presented for these periodic structures shows band-gap effects. The idea of these band-gap effects could be utilized in the design of periodic structures operating at microwave frequencies. Extreme cases for the decoupled independent modes in the absence of magnetization or carriers are also discussed.

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Coupled nonlinear waves in a composite magnetic–semiconducting medium

Cited by 2 publications

References 15 publications

Soliton propagation in a magnetic-semiconducting medium

Soliton propagation in a magnetic-semiconducting medium

Coupled Waves in the Periodic Composite Magnetic-Semiconducting Media

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