Godel類(lèi)宇宙模型的近似解.pdf

1、授予單位代碼!Q璺2學(xué)號(hào)或申請(qǐng)?zhí)朡12QQZ!!密級(jí)——鄭州大學(xué)碩士學(xué)位論文論文題目：GOdel類(lèi)宇宙模型的近似解作者姓名：學(xué)科門(mén)類(lèi)：楊淑敏理學(xué)專(zhuān)業(yè)名稱(chēng)：粒子物理與原子核物理導(dǎo)師姓名、職稱(chēng)：姚乾凱副教授、馬光文教授二零零七年四月鄭州大學(xué)碩士學(xué)位論文AbstractAbstractInthispaperpresentstatusofthemoderncosmologyisbrieflyreviewedthatisincludingthed

2、evelopingprocessofthestandardcosmologyfrombigbangmodelandInflationtothequantummodeloftheuniverseItshowsthatthestandardcosmologymodelisarelativelyperfectuniversemodelforallaspects，andspeciallyitoantrustfullyillustratecosm

3、ologicalredshi屯backgroundradiationandelementproportionetcSuchthesituation，notonlymeansthemodelhassup耐oritytotheotherthatc鋤notbereplacedbutalsotheresearchonthemodemcosmologybecomesgraduallymature：Howeverweshouldalsoseetha

4、tseveralunresolvedquestionsstillexistinthiscosmology，forexamplethe80calledquestionofcosmologicalconstant，thatisoneofthemostmysteriousandofthemostprofoundissuesItisalmostallpeopleengagedinbasicphysicsresearchwhoarefacingt

5、hemostdifficultchallenge；andtheuniversegrowsoutofnothingwiththeaidoftheinflationisonlyonetllatcarlnotruleouttheotherpossibilityForthereasonICG6deldevelopedtheG6delcosmologicalmodelwiththerotationalsymmetrywhichcontaining

6、thecosmologicalconstant五，canaccuratelysatisfythefieldequationsofgeneralrelativitySpeciallyitshouldbepointedthattheG6delcosmologicalmodelalsoobtainedanonphysicalclosedspacetimeworldlineandthissurprisingresultagainstthecau

7、seeffectlaw，causespeople’sinterestgreatly11hefocalpointofthepaperisstudyingtheevolutionbehaviorofGfdeluniverseintheapproximatesituationParticularlythroughconsideringtheweakrotationconditionwewillinvestigatetheevolutionpr

8、opertiesoftheuniversefillodwithstaticidealfluidandnopressuredustrespectively，andcorrespondinglythesolutionstoEinsteinfieldequationsareobtainedTheresultshowsthattheexpandingratioofG6deluniverseisdependentofthematterdensit