Proton Mass, Topology Change and Tensor Forces in Compressed Baryonic Matter

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1、ProtonMass,TopologyChangeandTensorForcesinCompressedBaryonicMatterMannqueRho11InstitutdePhysiqueTh´eorique,CEASaclay,91191Gif-sur-Yvettec´edex,France&DepartmentofPhysics,HanyangUniversity,Seoul133-791,Korea(Dated:January3,2013)ThisisasummaryofthetalksIgaveatKoreanPhysicalSocietymee

2、ting(April26,2012,Daejeon,Korea)andthe4thAsianTriangleHeavyIonConference(ATHIC)(November14,2012,Pusan,Korea).TheyarebasedontheseriesofworkdoneatHanyangUniversityintheWorldClassUniversityIIIProgramunderthethemeof“FromDenseMattertoCompactStars.”Theprogramwasconceivedandexecutedtounde

3、rstandhighlycompressedbaryonicmatterinanticipationoftheforthcomingRIBmachine“RAON”whichisinconstructionintheInstituteforBasicScience(IBS)inKorea.Theproblemstreatedrangedfromtheoriginoftheprotonmass,topologicalstructureofbarynicmatter,chiralsymmetryandconformalsymmetrytotheEoSofnucl

4、earmatteranddenseneutron-richmatterandtothemaximummassofneutronstars.Theresultsobtainedarenewandintriguingandcouldhaveanimpactonthenovelstructureofdensemattertobeprobedintheaccelerators“RAON,”FAIRetc.andincompactstars.PACSnumbers:1.INTRODUCTIONa“masswithoutmass.”[1].Inthestandardlo

5、re,theprotonmass(andthemassofThelandscapeofhadronicphaseshasbeenfairlyex-“light-quarkmesons,”say,theρmesontobespecific),iftensivelyexploredathightemperaturesthankstolatticeoneassumesthattheupanddownquarkmassesarezeroQCDontheorysideandtoRHICandnowLHConex-(calledthechirallimit),issaid

6、tobeentirely“generatedperimentalside,butitisatotallybarrenunchartedfielddynamically.”Phrasedintermsofsymmetries,themassinthedirectionofhighdensityatlowtemperature.Lat-isattributedtothespontaneousbreakingofchiralsym-ticeQCDcannotaccessthedensityregimerelevanttometry(SBCSforshort).The

7、SBCSischaracterizedbytheinteriorofcompactstars,atpresenttheonlysourcethatthequarkcondensatehqq¯i,thevacuumexpectationavailableforhighdensity,andtherearenotheoreticalvalue(VEV)ofthebilinearquarkfields,isnonvanishing,toolsthathavebeenconfirmedreliable,giventhelackofhqq¯i06=0.Ifthiswere

8、theentirestory,thenonewoul