Concept

Near and far field

Related lectures (31)

Covers EM Field and Discrete Symmetries, emphasizing the importance of symmetries in quantum field theory.

Covers the Gupta-Bleuler quantization method in Quantum Field Theory, focusing on redundancy in the electromagnetic field and the recovery of Maxwell equations.

EM Field: Quantum Field Theory II

Covers the electromagnetic (EM) field in Quantum Field Theory II, discussing gauge transformations, symmetry principles, and field quantization.

Discrete Symmetries Introduction

Introduces the concept of discrete symmetries in Quantum Field Theory and their impact on particles and anti-particles.

Sound Radiation: The Doublet

Explores the theory of sound radiation from a doublet, analyzing directivity and wave interactions.

Antenna Patterns and RF-ID Systems

Explores antenna patterns, gain calculation, polarization, power transfer efficiency, and RF-ID systems.

Aperture Antennas Examples

Covers aperture antennas examples, focusing on comet antennas in an infinite ground plane.

Electromagnetic Field

Covers the electromagnetic field in astrophysics and field theory, including the symmetry principle and interaction terms.

Sound Radiation: The Dipole

Explores sound radiation from a dipole source, discussing directivity patterns and acoustic pressure computation.

Electromagnetic Waves: Energy and Momentum

Discusses the energy, momentum, and generation of electromagnetic waves, along with their applications in optics and radiation pressure.

Untitled

Radiation and Antennas: Reciprocity Theorems

Explores reciprocity theorems in radiation and antennas, including classical and circuit reciprocity theorems.

Discrete Symmetries Introduction

Covers the introduction to discrete symmetries and the violation of symmetry by weak interactions.

Radiation and Antennas: Ideal Antennas

Discusses ideal antennas, reciprocity theorems, far field conditions, and circuit reciprocity theorem in antenna theory.

EM Field: Discrete Symmetries

Explores electromagnetic fields and discrete symmetries in theoretical physics.

Quantum Field Theory II: Maxwell Field and Symmetries

Covers the Maxwell field, symmetries, and making shifts in local and covariant derivatives.

Radiation and Antennas: Lorenz Gauge and Potentials

Explores the relationship between radiation and antennas, covering Lorenz gauge, potentials, spherical waves, and antenna examples.

Magnetostatics: Magnetic Field and Force

Covers magnetic fields, Ampère's law, and magnetic dipoles with examples and illustrations.

Randomly Vibrating Spheres: Sound Radiation and Directivity Analysis

Explores sound radiation, directivity analysis, and radiation impedances for vibrating spheres.

Second Maxwell's equation: Magnetic dipole

Covers Maxwell's equations, magnetic dipoles, vector potential, torque, and field patterns.