Electrodynamics - Perry

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1、ElectrodynamicsDr.M.J.Perry1Michælmas1997Copyright©2000UniversityofCambridge.Nottobequotedorreproducedwithoutpermission.1LATEXedbyPaulMetcalfe–commentsandcorrectionstopdm23@cam.ac.uk.Copyright©2000UniversityofCambridge.Nottobequotedorreproducedwithoutpermission.THANKSFORYOURPATIENCETOC

2、LAIREContentsIntroductionv1Pointofdeparture11.1Maxwell'sEquations..........................11.2Electrostatics..............................11.2.1Coulomb'sLaw.........................21.2.2Multipoleexpansion......................21.3SpecialRelativity............................32Relativ

3、isticElectromagnetism72.0.1Relativisticmotioninconstantelectricfield..........82.1TransformationofF.........................92.2Lorentzinvariantscalars........................92.3TensorialformofMaxwell'sequations.................92.3.1Potentials............................102.4Leastac

4、tionprinciples.........................112.4.1Particlemotion.........................112.4.2Fieldaction...........................123Energy-MomentumTensor133.1Definition................................133.1.1Conservationofenergy-momentum..............143.2Planewaves.....................

5、..........143.3Radiationpressure...........................154SolvingMaxwell'sEquations174.1AGreen'sFunction...........................174.2Thefieldofamovingcharge......................19Copyright©2000UniversityofCambridge.Nottobequotedorreproducedwithoutpermission.4.2.1Radiationreactio

6、n.......................214.3OscillatingFields............................225Quantummechanicaleffects255.1Minimalcoupling............................255.2Conduction...............................265.2.1Meissnereffect.........................275.3Superconductingfluxquantisation..........

7、.........285.4Magneticmonopoles..........................29iiiCopyright©2000UniversityofCambridge.Nottobequotedorreproducedwithoutpermission.6Born-InfeldTheoryivCONTENTS31IntroductionThesenotesarebasedonthecourse“Electrodynamics”givenbyDr.M.J.PerryinCambridgeintheMichælmasTerm1997.Th