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1、TheQuantumTheoryofFieldsVolumeIFoundationsStevenWeinbergUniversityofTexasatAustinInTheQuantumTheoryofFieldsNobelLaureateStevenWeinbergcom-bineshisexceptionalphysicalinsightwithhisgiftforclearexpositiontoprovideaself-contained,comprehensive,andup-to-dateintroducti
2、ontoquantumfieldtheory.VolumeIintroducesthefoundationsofquantumfieldtheory.Thedevelopmentisfreshandlogicalthroughout,witheachstepcarefullymotivatedbywhathasgonebefore,andemphasizingthereasonswhysuchatheoryshoulddescribenature.Afterabriefhistoricaloutline,thebookb
3、eginsanewwiththeprinciplesaboutwhichwearemostcertain,relativityandquantummechanics,andthepropertiesofparticlesthatfollowfromtheseprinciples.Quantumfieldtheorythenemergesfromthisasanaturalconsequence.Theclassiccalculationsofquantumelectrodynamicsarepresentedinatho
4、roughlymodernway,showingtheuseofpathintegralsanddimensionalregularization.Theaccountofrenormalizationtheoryreflectsthechangesinourviewofquantumfieldtheorysincetheadventofeffectivefieldtheories.Thebook'sscopeextendsbeyondquantumelectrodynamicstoele-mentaryparticle
5、physicsandnuclearphysics.Itcontainsmuchoriginalmaterial,andispepperedwithexamplesandinsightsdrawnfromtheauthor'sexperienceasaleaderofelementaryparticleresearch.Problemsareincludedattheendofeachchapter.Asecondvolumewilldescribethemodernapplicationsofquantumfieldth
6、eoryintoday'sstandardmodelofelementaryparticles,andinsomeareasofcondensedmatterphysics.Thiswillbeaninvaluablereferenceworkforallphysicistsandmathe-maticianswhousequantumfieldtheory,aswellasatextbookappropriatetograduatecourses.ThequantumTheoryofFieldsVolumeIFound
7、ationsPublishedbythePressSyndicateoftheUniversityofCambridgeThePittBuilding,TrumpingtonStreet,CambridgeC132IRP40West20thStreet,NewYork,NY10011-4211,USA10StamfordRoad,Oakleigh,Melbourne3166,AustraliaOcStevenWeinberg1995Firstpublished1995PrintedintheUnitedStatesofA
8、mericaAcataloguerecordfbrthisbookisavailable,fromtheBritishLibraryLibraryofCongresscataloguinginpublicationdataWeinberg,Steven,1933-Thequantumtheoryoffields/St