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Magnetic Materials - Electricity and Magnetism - Lecture Notes

Lecture Notes, Electricity And Magnetism

Post: February 21th, 2013
Description
This is the Lecture Notes of Electricity and Magnetism which includes Vector Potential, Boundary Conditions, Vector Derivative Operator, Vector Calculus, Vector Calculus, Three Co-Ordinate Systems, Two Types of Charge, Coulomb's Law, Electric Field etc. Key important points are: Magnetic Materials, Atomic Origins of Magnetic Properties, Maxwell's Equations, Electric Dipole Density, Magnetic Moment, Fundamental Quantum, Angular Momentum of Electron
This is the Lecture Notes of Electricity and Magnetism which includes Vector Potential, Boundary Conditions, Vector Derivative Operator, Vector Calculus, Vector Calculus, Three Co-Ordinate Systems, Two Types of Charge, Coulomb's Law, Electric Field etc. Key important points are: Magnetic Materials, Atomic Origins of Magnetic Properties, Maxwell's Equations, Electric Dipole Density, Magnetic Moment, Fundamental Quantum, Angular Momentum of Electron
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Contents
1 PHY481 - Lecture 29: Magnetic materials Griffiths: Chapter 6 Magnetic materials Extension of Maxwell’s equations to treat magnetic fields inside and outside magnetic materials is achieved in manner that in some ways is like the treatment of the dielectric response of materials - through analysis of dipoles, in the magnetic case of course we consider magnetic dipoles. To treat a large number of aligned electric dipoles inside a material using Maxwell’s equations, we introduced the polarization P , the electric dipole density. To treat a large number of aligned magnetic dipoles using Maxwell’s equations we introduce an analogous quantity, the magnetization M which is the magnetic moment density. In the dielectric case, atoms and molecules have either an induced or intrinsic electric dipole moment. In a similar way, atoms and molecules may have an intrinsic magnetic moment and/or a magnetic moment induced by an applied magnetic field. Atomic origins of magnetic properties The m..

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