费恩曼图

thisbookprovidesaneasilyaccessibleintroductiontoquantumfieldtheoryviafeynmanrulesandcalculationsinparticlephysics.theaimistomakeclearwhatthephysicalfoundationsofpresentdayfieldtheoryare，toclarifythephysicalcontentoffeynmanrules，andtooutlinetheirdomainofapplicability.thebookbeginswithabriefreviewofsomeaspectsofeinsteinstheoryofrelativitythatareofparticularimportanceforfieldtheory，beforegoingontoconsidertherelativisticquantummechan-icsoffreeparticles，interactingfields，andparticleswithspin.thetechniqueslearntinthesechaptersarethendemonstratedinexamplesthatmightbeencounteredinrealacceleratorphysics.furtherchapterscontaindiscussionsonrenormalization，massiveandmasslessvectorfieldsandunitarity.afinalchapterpresentsconcludingargumentsconcerningquantumelectrodynamics.thebookincludesvaluableappendicesthatreviewsomeessentialmathematics，includingcomplexspaces，matrices，thecbhequa-tion，tracesanddimensionalregularization.anappendixcontain-ingacomprehensivesummaryoftherulesandconventionsusedisfollowedbyanappendixspecifyingthefulllangranianofthestandardmodelandthecorrespondingfeynmanrules.tomakethebookusefulforawideaudienceafinalappendixprovidesadiscussiononthemetricused，andaneasy-to-usedictionarycon-nectingequationswrittenwithadifferentmetric.writtenasatextbook，manydiagramsandexamplesareincluded.thisbookwillbeusedbybeginninggraduatestudentstakingcoursesinparticlephysicsorquantumfieldtheory，aswellasbyresearchersasasourceandreferencebookonfeynmandiagramsandrules.