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1、ThispageintentionallyleftblankStringTheory,SuperstringTheoryandBeyondThetwovolumesthatcompriseStringTheoryprovideanup-to-date,comprehensive,andpedagogicintroductiontostringtheory.VolumeI,AnIntroductiontotheBosonicString,providesathoroughintroductiontotheb
2、osonicstring,basedonthePolyakovpathintegralandconformalfieldtheory.Thefirstfourchaptersintroducethecentralideasofstringtheory,thetoolsofconformalfieldtheoryandofthePolyakovpathintegral,andthecovariantquantizationofthestring.Thenextthreechapterstreatstringint
3、eractions:thegeneralformalism,anddetailedtreatmentsofthetree-levelandoneloopamplitudes.Chaptereightcoverstoroidalcompactificationandmanyimportantaspectsofstringphysics,suchasT-dualityandD-branes.Chapterninetreatshigher-orderamplitudes,includingananalysisof
4、thefinitenessandunitarity,andvariousnonperturbativeideas.Anappendixgivingashortcourseonpathintegralmethodsisalsoincluded.VolumeII,SuperstringTheoryandBeyond,beginswithanintroductiontosupersym-metricstringtheoriesandgoesontoabroadpresentationoftheimportanta
5、dvancesofrecentyears.ThefirstthreechaptersintroducethetypeI,typeII,andheteroticsuperstringtheoriesandtheirinteractions.Thenexttwochapterspresentimportantrecentdiscoveriesaboutstronglycoupledstrings,beginningwithadetailedtreatmentofD-branesandtheirdynamics,
6、andcoveringstringduality,M-theory,andblackholeentropy.Afollowingchaptercollectsmanyclassicresultsinconformalfieldtheory.Thefinalfourchaptersareconcernedwithfour-dimensionalstringtheories,andhavetwogoals:toshowhowsomeofthesimpleststringmodelsconnectwithprevi
7、ousideasforunifyingtheStandardModel;andtocollectmanyimportantandbeautifulgeneralresultsonworld-sheetandspacetimesymmetries.Anappendixsummarizesthenecessarybackgroundonfermionsandsupersymmetry.Bothvolumescontainanannotatedreferencesection,emphasizingrefere
8、ncesthatwillbeusefultothestudent,aswellasadetailedglossaryofimportanttermsandconcepts.Manyexercisesareincludedwhichareintendedtoreinforcethemainpointsofthetextandtobringinadditionalideas.Anessentialtextandreferencef
