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《Acta Astrophysica Sinica》 1997-01
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The Cosmological Constant and the Problem of the Age of the Universe

YUYun qiang1,3 MAEr1,2 CHENShi1 1(InstituteofTheoreticalPhysics,TheChineseAcademyofSciences) 2 (BeijingAstronomicalObservatory ,TheChineseAcademyofSciences) 3(DepartmentofPhysics,PekingUniversity)  
Wederivedarelationoftheaverageddensityofgalactichalotoitsformingtimeby sphericallysymmetric perturbationmodel,andestimatedtheformingtimetv ofour Galaxy .WhiletheagetGoftheGalaxyisrepresentedbytheageofglobularclustersinit, theageoftheUniverseshouldbetG+tv.ForflatuniversemodelswithΩλ=0 ,0 .7and 0 .8,wecalculatedtheHubbleconstantwhichcouldbesustained .Weshowedthatifthe Hubbleconstantisaslargeasabout 80km·s- 1·Mpc- 1,thepuzzleoftheageoftheUni versemightnotbesolvedbyintroducingthecosmologicalconstant.
【Fund】: 国家自然科学基金资助课题
【CateGory Index】: P159.3
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【Co-references】
Chinese Journal Full-text Database 7 Hits
1 YAN Jun 1 TAO Bi-You 21(Institute of Physics, Southwest Jiao-Tong University, Chengdu 610031, China)2(Technology Institute of Box77, Chengdu 610066, China);A Electric Sine-Gordon Soliton Solution in Two-Dimensional Dilaton Gravity Model[J];High Energy Physics and Nuclear Physics;2003-09
2 Yan Jun Wang Shunjin (Institute of Modern Physics, Southwest Jiaotong University, Chengdu 610031, china);The Functional Integrals Method, Critical Temperature and Collective Exciation Spectrum in the Dicke Model[J];ACTA SINICA QUANTUM OPTICA;1999-03
3 LI Peng 1, DONG Hui-ning 2 (1.Deparment of Physics, Sichuan University, Chengdu 610064 China; 2.Institute of Solid State Physics, Sichuan Normal University, Chengdu 610066, China);The Calculation Algorithm of Diagrams on d-Dimensional Hypercubic Lattice Used in the Effective Mean-Field Theory Based on Cumulant Expansion[J];Journal of Sichuan University (Natural Science Edition);2002-02
4 YUAN Min(College of Mathematics and Physics,Chongqing Institute of Technology,Chongqing 400054,China);Study on the thermodynamic properties of quantum Heisenberg ferromagnetic films[J];Journal of Sichuan University(Natural Science Edition);2007-02
5 YAN Jun,WANG Tao,ZOU Bo-xia(College of Physics and Electronic Engineering,Sichuan Normal University,Chengdu 610066,Sichuan);Statistical Average Values of Functional Integral and Sine-Gordon-Thirring Model[J];Journal of Sichuan Normal University(Natural Science);2011-02
6 MA Er 1,2 CHEN Shi 1 YU Yun-qiang 1,3 1( Institute of Theoretical Physics, The Chinese Academy of Sciences) 2 (Beijing Astrinomical Observatory,The Chinese Academy if Sciences ) 3(Department of Physics, Pekin;The Cosmological Constant and Clusters of Galaxies[J];ACTA ASTROPHYSICA SINICA;1997-03
7 SHEN You Gen CHEN Da Ming (Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030);ENTROPY IN THE BACKGROUND SPACE TIME OF 1+1 DIMENSIONAL BLACK HOLES[J];ACTA ASTRONOMICA SINICA;1999-01
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