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Solitons; integro-differential equations; reductive perturbation method

We investigate how dissipation and nonlinearity can affect the electromagnetic wave propagating through a saturated ferromagnet in the presence of an external magnetic field in (2+1) dimensions. The propagation of electromagnetic waves through a ferromagnet under an external magnetic field in the presence of dissipative effect has been studied using reductive perturbation method. It is found that to the lowest order of perturbation the system of equations for the electromagnetic waves in a ferromagnet can be reduced to an integro-differential equation.

S G Bindu¹ V C Kuriakose¹

1. Department fo Physics, Cochin University of Science and Technology, Cochin - 682 022, India

Published

February 2000

Manuscript received

10 June 1999

Manuscript revised

27 October 1999