PH702: Electrodynamics (3-0-0-6)

Maxwell’s equations, Green function formalism and boundary value problems in electrostatics and magnetostatics, Poynting’s theorem and Gauge transformations, Electromagnetic waves in dielectric and conducting media; Waveguide and resonant cavity; Radiation: Retarded potential, Field and radiation of a localized Oscillating source, Electric dipole radiation, Center-fed linear antenna, Lienard-Wiechert potential, radiation by nonrelativistic and relativistic charges, angular distribution of radiation; Scattering: scattering at long wavelengths, Thomson and Rayleigh scattering, Born approximation; Relativistic electrodynamics: covariant formalism of Maxwell’s equations.

Texts / References:

1. J. D. Jackson, Classical Electrodynamics, John Wiley (1999).
2. L. D. Landau and E. M. Lifshitz, Electrodynamics of Continuous Media, Butterworth (1995).
3. H. J. W. Muller Kirsten, Electrodynamics, World Scientific (2011).
4. G. S. Smith, Classical Electromagnetic Radiation, Cambridge (1997).


Tuesday: 4 pm-4:55 pm
Wednesday: 3 pm-3:55 pm
Thursday: 2 pm-2:55 pm
Lecture Venue: Room 4004

1. Class 1 and 2 are based on the following paper: "Obtaining Maxwell's equations heuristically"  [if you are unable to download it, please email me]
2. Class 3-5
3. Class 6-8
4. Rectangular waveguides
5. Plasmonic waveguides
6. Why an accelerated charge radiate?-an intituitive explanation
Two nice articles on Displacement current
(i) An elementary view of Maxwell's Displacement current
(ii) The present status of Maxwell's displacement current

Tutorial 1                                                                             
Tutorial 2

ASSIGNMENT [Work out  any of the following papers fully and prepare a report and submit it by 20th November 2016]

(1) Time reversal invariance and time asymmetry in classical electrodynamics
(2)  On some applications of Galilean  electrodynamics of moving bodies
(3) Electromagnetics from a quasi-static perspective
(5) The field oscillator approach  to classical electrodynamics