Coming soon
Classical Electrodynamics – II
Course Objectives:
This course will enable the students to –
1. To enable the students to apply tools of electrodynamics and relativity to various physical problems related to moving charges, Plasma formation and its impact on behavior of particle.
2. To make the students learn Covariant Form of Electrodynamic Equation, Radiation by moving charges, Radiation damping etc.
Course outcomes (COs):
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Course |
Learning outcomes (at course level) |
Learning and teaching strategies |
Assessment Strategies |
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PAPER CODE |
Paper Title |
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PHY 321
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Classical Electrodynamics – II (Theory)
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After the completion of this course the student will be able to: CO65: apply Maxwell’s equations to varios problems and find out their solutions. CO66: solve problems involving the propagation and scattering of electromagnetic waves in different medium. CO67: understanding about the special theory of Relativity and apply in electrodynamics. CO68: obtain the characteristics of electromagnetic radiation by moving charges. CO69: develop the knowledge about the covariant formulation in electrodynamics and the concept of retarded time for charges undergoing acceleration. |
Approach in teaching: Interactive Lectures, Discussion, Tutorials, , Demonstration, Problem Solving
Learning activities for the students: Self learning assignments, Effective questions, Seminar presentation, Solving numerical Additional learning through online videos and MOOC courses |
Class test, Semester end examinations, Quiz, Solving problems , Assignments, Presentations |
Plane Electromagnetic Waves and Wave Equation: Plane wave in a non-conducting medium. Frequency dispersion characteristics of dielectrics, conductors and plasma, waves in a conducting or dissipative medium, superposition of waves in one dimension, group velocity, causalty, connection between D and E, Kramers-Kroning relation.
Magneto hydrodynamics and Plasma Physics : Introduction and definitions, MHD equations, Magnetic diffusion, viscosity and pressure, Pinch effect, instabilities in pinched plasma column, Magneto hydrodynamics wave, Plasma oscillations, short wave length limit of plasma oscillations and Debye shielding distance.
(a) Covariant Form of Electrodynamic Equations: Mathematical properties of the space-time special relativity, Invariance of electric charge, covariance of electrodynamics, Transformation of electromagnetic field.
(b) Thomson scattering and radiation, Scattering by quasi-free charges, coherent and incoherent scattering, Cherenkov radiation.
Radiation by moving charges: Solution of inhomogeneous wave equation by Fourier analysis; Lienard-Wiechert Potential for a point charge, Total power radiated by an accelerated charge, Larmour's formula and its relativistic generalization, Angular distribution of radiation emitted by an accelerated charge, Radiation emitted by a charge in arbitrary extremely relativistic motion.
Radiation damping: Introductory considerations, Radiative reaction force from conservation of energy, Abraham Lorentz evaluation of the self force, difficulties with Abraham Lorentz model, Integro-differential equation of motion including radiation damping, Line Breadth and level shift of an oscillator, Scattering and absorption of radiation by an oscillator.
1. David J. Griffiths: Introduction to Electrodynamics, Pearson Education, Delhi (2003).
2. J.D. Jackson: Classical Electrodynamics, 2nd edition, Wiley Eastern Ltd., New York (1985).
1. Panofsky and Philips:Classical Electricity and Magnetism, Courier Corporation (2005).
2. Landau and Lifshitz : Classical Theory of Field, PERGAMON PRESS (1971).
3. Landau and Lifshitz :Electrodynamics of Continuous Media, Elesvier (1984).
E-Content:
1.https://epgp.inflibnet.ac/Home/ViewSubject?catid=+4mIqRALksfwQH9v8YSMrw==
2. https://nptel.ac.in/courses/115101004
