资源描述：
《String Physics and Black Holes》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、1StringPhysicsandBlackHolesLeonardSusskindandJohnUglumaaDepartmentofPhysics,StanfordUniversityStanford,CA94305-4060USAIntheselectureswereviewthequantumphysicsoflargeSchwarzschildblackholes.Hawking’sinformationparadox,thetheoryofthestretchedhorizonandtheprincipleofblackholecomplementarityarecovered.
2、Wethendiscusshowtheideasofblackholecomplementaritymayberealizedinstringtheory.Finally,argumentsaregiventhattheworldmaybeahologram.1.Introduction•Blackholeevaporationandthepuzzlesas-sociatedwithitAnoutsiderlisteningtothisconferencemightgettheideathatthereissuchathingasstring•Thecosmologicalconstantp
3、roblemtheory,thatstringtheoryisarelativelycompleteInthecaseofahighenergycentralcollisionbe-theoryoftheworld,includinggravitation.Wedotweentwostrings,itiseasytoguesstheanswer–anotbelievethisisso,atleastnotyet.Thereisablackholeforms,andthenevaporates.Butwewideclassofphenomena,perhapsthemostinter-can’
4、tstudythisinstringtheory.Ifwedidunder-estingphenomenaforfuturestudy,whichstringstandquantumgravity,thenwecouldansweralltheoryinitspresentformulationcannotaddressofthesequestions.atthistime,andperhapscannotaddressatall–Theplanoftheselecturesisasfollows.First,Planckscalephysics.wewillreviewthephysics
5、ofhorizons,includ-ThedistinctionbetweenPlanckscalephysicsingtheirthermalbehavior,andallofthefunda-andstringscalephysicsisoftenignoredinstringmentalphysicsoflargemassSchwarzschildblacktheory,butitisanimporantone.Ifgistheholes.Wewillseethatalloftheparadoxesas-stringcouplingandthenumberoflarge(uncom-s
6、ociatedwithblackholeevaporationcanbead-pactified)spacetimedimensionsisD,thenthedressedinthissimplecontext,andattemptstoPlanckscaleℓPisrelatedtothestringscaleℓSD−22D−2resolvetheseparadoxeswillleadustotheideaofbytherelationℓ=gℓ.Itisusuallyas-PSblackholecomplementarity.arXiv:hep-th/9511227v130Nov1995su
7、medthatthestringcouplingisverysmall,soAfterreviewingthelightfrontgaugeformula-thereisalargedifferencebetweenthetwoscales.tionofstrings,wewillbeabletoaskhowstringMostofthephenomenathatweareabletodiscusstheory
