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[ pdf ] THEORY FUNDAMENTAL ELECTROMAGNETIC

THEORY FUNDAMENTAL ELECTROMAGNETIC Download
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Topic under  Electromagnet
Source: www.plasma.uu.se 
File size: 2.09 MB
File type: pdf
Last download on: Sun May 28, 2017 09:25:40 AM
Short Desciption:
The classical theory of electromagnetism deals with electric and magnetic fields and interactions caused by distributions of electric charges and currents. This presupposes that the concepts of localised electric charges and currents assume the validity of certain mathematical limiting processes in which it is considered possible for the charge and current distributions to be localised in infinitesimally small volumes of space. Clearly, this is in contradistinction to electromagnetism on an atomistic scale, where charges and currents have to be described in a quantum formalism. However, the limiting processes used in the classical domain, which, crudely speaking, assume that an elementary charge has a continuous distribution of charge density, will yield results that agree with experiments on non-atomistic scales, small or large.

Summary:
Intended primarily as a textbook for physics and engineering students at the advanced undergraduate or beginning graduate level, it is hoped that the present book will be useful for research workers too. It aims at providing a thorough treatment of the theory of electrodynamics, mainly from a classical field-theoretical point of view. The first chapter is, by and large, a description of how Classical Electrodynamics was established by JAMES CLERK MAXWELL as a fundamental theory of nature. It does so by introducing electrostatics and magnetostatics and demonstrating how they can be unified into one theory, classical electrodynamics, summarised in Lorentz’s microscopic formulation of the Maxwell equations. These equations are used as an axiomatic foundation for the treatment in the remainder of the book, which includes modern formulation of the theory; electromagnetic waves and their propagation; electromagnetic potentials and gauge transformations; analysis of symmetries and conservation laws describing the electromagnetic counterparts of the classical concepts of force, momentum and energy, plus other fundamental properties of the electromagnetic field; radiation phenomena; and covariant Lagrangian/Hamiltonian field-theoretical methods for electromagnetic fields, particles and interactions. Emphasis has been put on modern electrodynamics concepts while the mathematical tools used, some of them presented in an Appendix, are essentially the same kind of vector and tensor analysis methods that
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