1、上海交通大學(xué)博士后學(xué)位論文核物質(zhì)狀態(tài)方程及對(duì)稱勢(shì)姓名：李增花申請(qǐng)學(xué)位級(jí)別：博士后專業(yè)：理論物理指導(dǎo)教師：@20070701AbstractInthisthesis，thestatusofnuclearmatteratextremeconditionandsomenuclearmanybodyapproachesareintroducedIntheframeworkofBrueeknerHartree—Fockwecalculatesys

2、tematicallynuclearmattersaturationpropertiesemployingvariousrealisticpotentialsandtrytobuildmicroscopicthreebodyforcethatcorrespondstoNijmegen93potentialAtthesametimeweshowtheisospinandtemperaturedependenceofrearrangemen

3、tcontributionforasymmetricnuclearmatterBasedonRelativistic—ImpulseApproximationwiththeLoveFranyNNscatteringamplitudedevelopedbyMurdockandHorowilz，weinvestigatethelowenergybehaviorofthenucleonDiracopticalpotential。theSchr

4、iSdingerequivalentpotential。andthenuclearsymmetrypotentialinisospinasymmetricnuclearmatterWithintheBHFapproachusingcontinuousslnglepartlcleenergiesandemployingthemostrecentaccuratenucleon—nucleonpotentialswehave∞viewedth

5、ecurrentstatusoftheCoesterIineOurresultsconfirmtheconceptofa“l(fā)ine’’or‘‘band”densityandenergyoftheempiricalpointsbeingstronglylinearlycorrelatedTheBHFresultsincluding113Fpredictsaturationincloseproximityoftheempiricalpoin

6、tHoweverthesuppositionofastrictcorrelationbetweenthedeuteronDstateprobabilityandsaturationisnotgenerallyconfirmedbyourextendeddatasetFurthermoreallealculationsyieldsymmetryenergiesofabout30MeVatnormaldensitywhichareincre

7、asingmonotonouslyandroBglllylinearlywithdensityAtfinitetemperaturecaseduetothesofteningofPauliblockingtheincreaseofthenucleartemperatureremarkablyreducethemagnitudesofbothrealandimaginaryrearrangementtermatlowmomentumreg

8、ionAstheisospinasymmetryincreasesthevalueofrearrangementtermforneutronisalwaysgreaterthanthatforprotonsatanyfixedtemperatureandasymmetrynotonlyfortherealpartbutalsofortheimaginarypartAffectedbytheinterplaybetweentheproto

9、nandneutronphasespacesaswellthenonlinearityoftheisospindependenceismuchmorenotableintheimaginarypartofthesecondordercorrelationcontributionforneutronsespeciallyinhighdensitiesButsinceitismainlydeterminedbytheisospinbehav

10、iorofthepureBHFapproximationsingleparticlepotential，thetotalsppotentialhasthealmostIinearbehaviorfortheneutronbesidesfortheprotonwiththeasymmetryincreasing1nadditionusingRIAmethodwithMHamplitudewefindthatthenuclearsymmet

11、rypotentialatfixedbaryondensitydecreaseswithincreasingnucleonenergyInparticularthenuclearsymmetrypotentialatsaturationdensitychangesfrompositivetonegativevaluesatnucleonkinel[icenergYofabout200MeVFurthermoretheobtaineden

12、ergYanddensitydependenceofthenuclearsymmetrypotentialisconsistentwiththoseofthemomentumdependentMDlinteractionwithx=0whichhasbeenfoundtodescribereasonablyboththeisospindiflitsiondatafromheavyioncollisionsandtheempiricaln