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M.Sc. (Physics) | Subject Electrodynamics and Plasma Physics | Paper Code: 09020401

Syllabus

Subject: Electrodynamics and Plasma Physics

Paper Code: 09020401

Unit

Topic

Domain

Hours as per UGC

I

ELECTROSTATICS

  • Electric Field, Gauss Law, Differential form of Gauss Law
  • Electromagnetic scalar and vector potentials
  • Maxwell’s equations in terms of scalar and vector potentials
  • Non uniqueness of Electromagnetic potentials and concept of Gauge.
  • Lorentz gauge and coulomb gauge
  • Boundary value problem
  • Poisson and Laplace equations
  • Solution of Laplace equation in Rectangular coordinates
  • Green’s Theorem
  • Dirichlet and Neumann boundary conditions
  • Formal solution of boundary value problem with Green’s function
  • Electrostatic potential energy and energy density.

Desirable to Know

Must Know

12

II

METHOD OF IMAGES

  • Point charge near an infinite good conducting plane
  • Point charge in the presence of grounded conducting sphere
  • Point charge in the presence of charged, insulated and conducting sphere
  • Point charge near a conducting sphere at fixed potential
  • Conducting sphere in a uniform electric field.

Must Know

10

III

ELECTROMAGNETIC WAVES AND RADIATION BY MOVING CHARGES

  • Wave equation
  • Reflection and Refraction of electromagnetic waves at a plane interface between dielectrics
  • Wave propagation in a non-conducting media
  • Wave propagation in a conducting media.
  • Fresnel relations, Brewster’s angle
  • Wave guides: TE and TM modes in rectangular wave guides
  • Moving point charges
  • Retarded potentials
  • Lienard- Wiechart potentials for a point charge
  • The fields of moving charge particles
  • Total power radiated by a point charge
  • Larmor’s formula and its relativistic generalization.

Desirable to Know

Must Know

12

IV

PLASMA PHYSICS

  • Elementary concepts, Derivation of moment Equations from Boltzmann Equation
  • Plasma Oscillation
  • Theory of simple oscillation
  • Electron oscillation in a plasma
  • Electronic oscillations when the motion of ions is also considered
  • Derivation of plasma oscillation using Maxwell’s equation
  • Propagation of Electromagnetic waves in plasma containing a magnetic field
  • Quasi neutrality of plasma
  • Debye shielding distance
  • Plasma production and heating of the plasma
  • Confinement of plasma, plasma instabilities.

Must Know

11

Books Recommended:

  • Classical Electrodynamics by J.D. Jackson.
  • Introduction to Electrodynamics by A. Z. Capri and P. V. Panat.
  • Electrodynamics by S. P. Puri.
  • Introduction to Electrodynamics by D. J. Griffiths.
  • Introduction to Plasma Physics by F. F. Chen.
  • Introduction to Plasma Theory by D. R Nicholson.