内容简介
Thisisasystematicpresentationofquantumfieldtheoryfromfirstprinciples,emphasizingboththeoreticalconceptsandexperimentalapplications.Startingfromintroductoryquantumandclassicalmechanics,thisbookdevelopsthequantumfieldtheoriesthatmakeupthe'StandardModel'ofelementaryprocesses.Itderivesthebasictechniquesandtheoremsthatunderlytheoryandexperiment,includingthosethatarethesubjectoftheoreticaldevelopment.Specialattentionisalsogiventothederivationsofcrosssectionsrelevanttocurrenthigh-energyexperimentsandtoperturbativequantumchromodynamics,withexamplesdrawnfromelectron-positronannihilation,deeplyinelasticscatteringandhadron-hadronscattering.Thefirsthalfofthebookintroducesthebasicideasoffieldtheory.Thediscussionofmathematicalissuesiseverywherepedagogicalandselfcontained.Topicsincludetheroleofinternalsymmetryandrelativisticinvariance,thepathintegral,gaugetheoriesandspontaneoussymmetrybreaking,andcrosssectionsintheStandardModelandinthepartonmodel.ThematerialofthishalfissufficientforanunderstandingoftheStandardModelanditsbasicexperimentalconsequences.Thesecondhalfofthebookdealswithperturbativefieldtheorybeyondthelowest-orderapproximation.Exercisesareincludedforeachchapter,andseveralappendicescomplementthetext.
作者简介
M.VidyasagarisExecutiveVicePresidentofTataConsultancyServicesinHyderabad,India.HehasheldnumerousacademicvisitingpositionswithuniversitiessuchasMIT,theUniversityofCalifornia,andTokyoInstituteofTechnologyandhasalsoheldvariousconsultancypositionswithinthefield.Inaddition,hehaspublishedmanyarticlesinlinear,nonlinear,androbustcontroltheory;robotics;andstatisticallearningtheory.Hehasauthoredorco-authoredmorethanahalfdozenbooksonthesetopics.