Normalized general relativity: Nonclosed universe and a zero cosmological constant
作者： Aharon Davidson , Shimon Rubin
DOI: 10.1103/PHYSREVD.89.024036
关键词: Metric expansion of space 、 Cosmological constant 、 Cosmological constant problem 、 Friedmann–Lemaître–Robertson–Walker metric 、 Flatness problem 、 Classical mechanics 、 De Sitter universe 、 Particle horizon 、 Mathematical physics 、 Big Rip 、 Physics
摘要: We discuss the cosmological constant problem, at minisuperspace level, within framework of so-called normalized general relativity (NGR). prove that Universe cannot be closed, and reassure accompanying $\Lambda$ generically vanishes, least classically. The theory does allow, however, for a special class $\Lambda \not=0$ solutions which are associated with static closed Einstein universe Eddington-Lema\^{\i}tre universe.
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