摘要
Theimportanceofcosmologicalconstantforthecosmologicalmodelsisgiven.Thevariationsofthecosmologicalmodelforparametersλandkwerediscussedrespectively.Nearλ=0,thecosmologicalmodelisunstablewiththechangeofλ,andnearλ=β=0,thecosmologicalmodelisunstablewiththechangeofk.Sowhenweconsiderthestablecosmologicalmodel,wemustconsiderthenonzerocosmologicalconstant.
出版日期
2002年06月16日(中国期刊网平台首次上网日期,不代表论文的发表时间)