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1、--1--TheElegantUniverse:Superstrings,HiddenDimensions,andtheQuestfortheUltimateTheoryBrianGreene--2--ContentsPrefacePartI:TheEdgeofKnowledge1.TiedUpwithStringPartII:TheDilemmaofSpace,Time,andtheQuanta2.Space,Time,andtheEyeoftheBeholder3.OfWarpsandRipples4.MicroscopicWeirdness5.TheNeedforaN
2、ewTheory:GeneralRelativityvs.QuantumMechanicsPartIII:TheCosmicSymphony6.NothingbutMusic:TheEssentialsofSuperstringTheory7.The"Super"inSuperstrings8.MoreDimensionsThanMeettheEye9.TheSmokingGun:ExperimentalSignaturesPartIV.StringTheoryandtheFabricofSpacetime10.QuantumGeometry11.TearingtheFab
3、ricofSpace12.BeyondStrings:InSearchofM-Theory13.BlackHoles:AString/M-TheoryPerspective14.ReflectionsonCosmologyPartV:UnificationintheTwenty-FirstCentury15.ProspectsGlossaryofScientificTermsReferencesandSuggestionsforFurtherReadingE-booknotes--3--PrefaceDuringthelastthirtyyearsofhislife,Alb
4、ertEinsteinsoughtrelentlesslyforaso-calledunifiedfieldtheory—atheorycapableofdescribingnature'sforceswithinasingle,all-encompassing,coherentframework.Einsteinwasnotmotivatedbythethingsweoftenassociatewithscientificundertakings,suchastryingtoexplainthisorthatpieceofexperimentaldata.Instead,
5、hewasdrivenbyapassionatebeliefthatthedeepestunderstandingoftheuniversewouldrevealitstruestwonder:thesimplicityandpoweroftheprinciplesonwhichitisbased.Einsteinwantedtoilluminatetheworkingsoftheuniversewithaclarityneverbeforeachieved,allowingusalltostandinaweofitssheerbeautyandelegance.Einst
6、einneverrealizedthisdream,inlargepartbecausethedeckwasstackedagainsthim:Inhisday,anumberofessentialfeaturesofmatterandtheforcesofnaturewereeitherunknownor,atbest,poorlyunderstood.Butduringthepasthalf-century,physicistsofeachnewgeneration—throughfitsandstarts,anddiversionsdownblindalleys—ha
7、vebeenbuildingsteadilyonthediscoveriesoftheirpredecessorstopiecetogetheraneverfullerunderstandingofhowtheuniverseworks.Andnow,longafterEinsteinarticulatedhisquestforaunifiedtheorybutcameupempty-handed,physicistsbelievetheyhavefinallyfoundaframeworkforstitching
