帶標量相互作用的夸克質(zhì)量密度溫度相關(guān)模型.pdf

1、r／，1uj，橇旦大學學校代碼：10246學號：022019003碩士學位論文帶標量相互作用的夸克質(zhì)量密度溫度相關(guān)模型院系(所)：專業(yè)：姓名：物理學系理論物理吳琛完成日期：2005年5月8日幕紫登導(dǎo)師舟恿勃奎支公布AbstractInordertoconsiderphysicalbehaviorofthestrangequarkmatter(SQM)atfinitedensityandfinitetemperatureandemploy

2、thesepropertiestodescribeRHICexperiment，compactstarere，，quarkmassdensity—dependent(QMDD)modelanditsvariation：quarkmassdensity—andtemperature—dependent(QMDTD)modelaresuggestedHowevegifwehopetoemploytheQMDTDmodeltoinvestig

3、atethePhysicspropertiesofnucleonsandhypetons，thequarkquarkinteractionsmustbeconsideredWeaimtoextendQMDDmodeltoincludeQuarkmesoncoupling，ie，IQMDDmodelWefindthemodelissimilartoFriedbergLeemodelatZerotemperatureItisanon—top

4、ologicalsofitonbagmodelwithdensitydepdndentquarkmassThegroundstatewavefunctionofquarkisgivenByusingthiswavefunction，wehavecalculatedtheroot—meansquaredchargeradius，themagneticmomentandtheratiobetweentheaxiaFvectorandthev

5、ector∥一decaycouplingconstantofthenucleonandcomparedthesevalueswithexperimentWefmdtheresultsgivenbyIQMDDmodelaleinagreementwitllexperimentnlispaperisdividedintotwopartsThefirstistheintroductionIncludingthedevelopmentofthi

6、sresearchfieldandthebackgroundofOurworkthesecondpartistheChapertwo，wheretheIQMDDisintreduced，thequarkwavefunctionandsomephysicalpropertiesiscalculatedandwecomparethisvalueswithexperimentKeyword：strangequarkmatterQMDD，cou