Eur. Phys. J. Plus (2011) 126: 119
https://doi.org/10.1140/epjp/i2011-11119-4

Regular Article

Perturbation theory for Maxwell’s equations with a time-dependent current source

¹ Department of Physics, Jadavpur University, 700032, Kolkata, India
² Department of Theoretical Physics, Indian Association for the Cultivation of Science, 700032, Jadavpur, Kolkata, India
³ S. N. Bose National Centre for Basic Sciences, 700098, Kolkata, India

^* e-mail: roytanayslg@gmail.com

Received: 29 July 2011
Revised: 19 October 2011
Accepted: 25 October 2011
Published online: 12 December 2011

Abstract

Using a set of ideas discussed in the second volume of Feynman Lectures, we develop a perturbation-theoretic scheme for solving Maxwell’s equations for time-dependent currents which are switched on at t = 0 .