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大小:431.78 KB
页数:70页
时间:2019-08-01
《Foundations of Quantum Field Theory》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、FoundationsofQuantumFieldTheoryMichaelR.Douglas1SimonsCenter/StonyBrookUniversityString-Math2011AbstractAsurveyofnonperturbativeandpotentiallyrigorousdefinitionsofquantumfieldtheory,andthequestionswewouldliketostudywiththem.MichaelR.Douglas(SimonsCenter)
2、FoundationsofQFTString-Math20111/38Outline1Introduction2MathematicsandphysicsHistoryMathandphysicspointsofviewFoundationaltopics3QuestionsrequiringbetterfoundationsRigoroususeandjustificationofphysicsmethodsConnectingapproachestononperturbativeQFTProvin
3、gthatQFTswithspecificpropertiesdonotexistRoughcharacterizationofthespaceofQFTs4ApproachestobetterfoundationsPresentationofaQFTAxiomaticQFTAlgebraicapproachesNewapproachesfromstatisticalmechanicsConstructiveQFTMichaelR.Douglas(SimonsCenter)FoundationsofQ
4、FTString-Math20112/38IntroductionQuantumfieldtheoryandstringtheoryhavehadasignificantimpactonmathematics,andmathematicsisessentialinstudyingquantumfieldtheoryandstringtheory,aswehaveseenineverytalkatthisconference.Thisleadstoanaturalquestion,whichmanyhave
5、raised:Howcanwemakemathematicallyprecisedefinitionsofquantumfieldtheoryandstringtheory?MichaelR.Douglas(SimonsCenter)FoundationsofQFTString-Math20113/38IntroductionThereisalonghistoryofmathematicallypreciseapproachestoquantumfieldtheory,includingaxiomatic
6、quantumfieldtheoryconstructivequantumfieldtheoryalgebraicquantumfieldtheoryfunctionalintegrationandapproximatingexpansionsvertexalgebrasandconformalfieldtheoryprobabilisticapproaches,suchasSchramm-Loewnerevolutionchiralalgebrasandfactorizationalgebrastopol
7、ogicalfieldtheoryandhighercategorytheoryMichaelR.Douglas(SimonsCenter)FoundationsofQFTString-Math20114/38IntroductionInthistalk,wewillDiscusswhat‘mathematicalprecision’wouldmeaninthiscontext.Discussquestionsforwhichthisisclearlyvaluable,independentofmet
8、hodologicalorsociologicalconsiderations.Surveysomeoftheapproaches,anddiscussnextstepswecouldtaketowardsansweringthesequestions.MichaelR.Douglas(SimonsCenter)FoundationsofQFTString-Math20115/38MathematicsandphysicsHistoryOneshouldprobabl
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