资源描述：
《classical electromagnetism - fitzpatrick》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、PHY352KClassicalElectromagnetismanupper-divisionundergraduatelevellecturecoursegivenbyRichardFitzpatrickAssistantProfessorofPhysicsTheUniversityofTexasatAustinFall1997Email:rfitzp@farside.ph.utexas.edu,Tel.:512-471-9439Homepage:http://farside.ph.utexas.edu
2、/em1/em.html1Introduction1.1MajorsourcesThetextbookswhichIhaveconsultedmostfrequentlywhilstdevelopingcoursematerialare:Introductiontoelectrodynamics:D.J.Gri±ths,2ndedition(PrenticeHall,EnglewoodCli®sNJ,1989).Electromagnetism:I.S.GrantandW.R.Phillips(JohnWi
3、ley&Sons,Chich-ester,1975).Classicalelectromagneticradiation:M.A.HealdandJ.B.Marion,3rdedi-tion(SaundersCollegePublishing,FortWorthTX,1995).TheFeynmanlecturesonphysics:R.P.Feynman,R.B.Leighton,andM.Sands,Vol.II(Addison-Wesley,ReadingMA,1964).11.2Outlineofc
4、ourseThemaintopicofthiscourseisMaxwell'sequations.Theseareasetofeight¯rstorderpartialdi®erentialequationswhichconstituteacompletedescriptionofelectricandmagneticphenomena.Tobemoreexact,Maxwell'sequationscon-stituteacompletedescriptionofthebehaviourofelectr
5、icandmagnetic¯elds.Youareall,nodoubt,quitefamiliarwiththeconceptsofelectricandmagnetic¯elds,butIwonderhowmanyofyoucananswerthefollowingquestion.Doelectricandmagnetic¯eldshavearealphysicalexistenceoraretheyjustthe-oreticalconstructswhichweusetocalculatethe
6、electricandmagneticforcesexertedbychargedparticlesononeanother?"Intryingtoformulateananswertothisquestionweshall,hopefully,cometoabetterunderstandingofthenatureofelectricandmagnetic¯eldsandthereasonswhyitisnecessarytousetheseconceptsinordertofullydescribee
7、lectricandmagneticphenomena.Atanygivenpointinspaceanelectricormagnetic¯eldpossessestwoproper-ties,amagnitudeandadirection.Ingeneral,thesepropertiesvaryfrompointtopoint.Itisconventionaltorepresentsucha¯eldintermsofitscomponentsmea-suredwithrespecttosomeconv
8、enientlychosensetofCartesianaxes(i.e.,x,y,andzaxes).Ofcourse,theorientationoftheseaxesisarbitrary.Inotherwords,di®erentobserversmaywellchoosedi®erentcoordinateaxestodescribethesame¯eld.Consequently,electrican
