Course

Unit 1

The wave equation, Sinusoidal waves, Boundary conditions: Reflection and Transmission Polarization, The wave equation for E and B, Monochromatic plane waves, Energy and Momentum in Electromagnetic Waves, Propagation in linear media, Reflection and Transmission at Normal Incidence, Reflection and Transmission at Oblique Incidence

Unit 2

Electromagnetic Waves in Conductors, Reflection at a Conducting Surface, The frequency dependence of Permittivity, Wave Guides, The waves in a Rectangular Wave Guide, The Coaxial Transmission Line

Unit 3

Definition of radiation, Electric dipole radiation, Magnetic dipole radiation, Radiation from an arbitrary source, Power radiated by a point charge, Radiation reaction, The physical basis of radiation reaction.

Unit 4

Einstein’s postulates, Geometry of relativity, The Lorentz transformations, The Structure of space time, Proper time and proper velocity, Relativistic energy and momentum, Relativistic kinematics, Relativistic dynamics, Magnetism as a relativistic phenomenon, How the fields transform, The field tensor, Electrodynamics in tensor notation.

Unit 5

Applications of electrodynamics in modern experimental techniques, Basic charged particle optics, Theory of linear accelerators, Wancroft accelerators, pulsed drift tubes, rf linacs, circular accelerators and synchrotron radiation. Basic beam line equipment and design.

Text Books / References

Textbooks

1. Introduction to electrodynamics — David J Griffiths, 4“’ edition, Pearson

Reference books

1. D. Jackson, Classical Electrodynamics, 3E, Wiley, 2007
2. W, Greiner, Classical Electrodynamics, lE, Springer, 2006
3. The Physics of Particle Accelerators: An Introduction – Klaus Wille, Oxford University

Course Outcomes:

• COl : Understand energy and momentum associated with electromagnetic waves and the propagation of electromagnetic waves in linear medium
• CO2: Apply the concept of propagation of em waves in wave guides to understand the Designing aspects of a simple microwave wave guide.
• CO3 Understand the physical basis of simple dipole radiation and radiation reaction
• CO4 Apply the concepts of relativistic principles to understand electrodynamics
• CO5 Apply the concepts of electrodynamics in modern experimental techniques