贗自旋對稱性的理論研究.pdf

1、獺童警驤藿霪鬃姥囊壤鞲羹啦鬟≯瀑鸛霸嘲鰳蛹蠛嘲姻簿鬻||室峨鹺婚瀨攀虢i醣讖灝嘞瞞瓣釃姆確馘罄鞫孥鑣囊國嘲饌警◇贛名學科專照料究方向辯孽教嬸憲成時問徐強震霧瑗滄靄麓襄原子禳物理郫麓發(fā)2005年5丹Absl陽ctAbstractWenrstlysummarizedsomenuclearstmcturemodels，andⅡ1enintroducerelatiVisticmeanfleldtheory(RMF)andjts印plicatio

2、ntosphericalnucleiAtLastthecharacte“sticsofpseudospinsymmetryareresearchedindetailsrtbriefiyincludesseVeralf01lowingaspects：(1)somenuclearmodelssuchas1iquiddropmodel，F(xiàn)e肌igasmodel，shellmodel，projectshellmodelandBohrmodela

3、resumm枷zed(2)RMFtheorywasintroducedjntensivelyByusingEuler—La舒angeequation，DiracequationforⅡucleon，Klein—Gordonequationformesonsandelectric—magneticequatjonforphotonsareobtail】ed矗omthegenera】RMFlag啪gi鋤wrhichdescrjbesnucl

4、eon，mesonsandphotons(3)BasedonRMFtheory，theorigmofpseudospinsymmetrywasintensivelyexplainedandmeconditionswhjchcanmeettheidealpseudospinsymmetrywerepresentedThec。nditi。nsare∑=o。r!孚=oByⅡumericallys。lvingDiracequationwithW

5、bodsSaxonpotential，thecharacteristicsofpseudospinsplming、viththeV刪atjonofWbodsSaxonpotentiaisthreepammetcI丐：thedepthofnuclearpotential，nuclearradiusandnucleardi丘’usiVitywereanalyzedSomeconclusionsaboutpseudospinsymmetryw

6、ereobtainedBecausethevariationsofparametersforRandVoarefelatedwjththenumberofnucleona工1dtheparaIneterfordj硒sivitydescribesthecharacteristicsofnuclearsllrface，a11theconclusionsobtainedbyusaremeaningfultoanalyzenuclearprop

7、erties(4)Becauset11eexactpseudospjnsymmet叫whichrequirest11econditionof∑=o。r拿=omeallsthatDiracH鋤iltonianisinvari鋤tinJⅣ(2)甜、7transf0Hnation，Wepresenttheunif0Ⅱnrepresentationofpseudospindoubletsinpseudospinspace。Keywords：nu