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Lecture Notes for PHY 481 - Electricity and Magnetism I with Duxbury at Michigan State (MSU)

Notes Information

Material Type:Class Note
Professor:Duxbury
Class:PHY 481 - Electricity and Magnetism I
Subject:Physics
University:Michigan State University
Term:Fall 2008
Keywords:
  • Polarization
  • Charge Polarization
  • Macroscopic
  • Bound Charge Density
  • Particularly
  • No Molecules
  • Polar Molecules
  • Dipole Moment
  • Interaction
  • Ionic Bonding
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Sample Document Text

PHY481 - Lecture 18 Chapter 6 of PS Chapters 6 of PS covers the use of electrostatic theory to understand the effect of electric fields on dielectric materials, and the generalization of Maxwell's equations to the calcula- tion of electric fields and electrostatic potential inside and outside of these materials. The treatment of dielectric materials begins with observation that the behavior of dielectric ma- terials can often be understood based on the concept of polarization. Since this concept is so central to the discussion it is worth defining it formally. Polarization at the atomic/molecular scale requires a treatment of the response of atoms and molecules to the dielectric properties of their neighbors and to an applied field. These calculations are a subject of intense research as dielectric materials underlie many aspects of integrated circuits (insulators, capacitors), energy storage devices (capacitors, batteries), and insulators in the electrical power industry. Two key materials proper...

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