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The dark universe future and singularities: The account of thermal and quantum effects
Physics of the Dark Universe ( IF 5.0 ) Pub Date : 2020-07-28 , DOI: 10.1016/j.dark.2020.100695
Shin’ichi Nojiri , Sergei D. Odintsov

The knowledge of the universe future is of fundamental importance for any advanced civilization. We study the future of the singular dark universe where thermal effects due to the Hawking radiation on the apparent horizon of the FRW universe are taken in the consideration. It is shown that the dark universe which ends up as finite-time Type I and Type III singularity or the infinite-time Little Rip singularity transits to the finite-time Type II singularity thanks to account of the thermal effects. However, Type II and IV singular universe does not change the qualitative behavior. The combined account of the quantum and thermal effects shows that depending on the specific features of the universe only one of the effects is dominant. When (conformal matter) quantum effects are dominant, the future singularity is usually removed while for dominant thermal effects the universe final state is Type II singularity.



中文翻译:

黑暗宇宙的未来和奇点:热效应和量子效应的说明

对于任何先进的文明,了解宇宙的未来都是至关重要的。我们研究了奇异黑暗宇宙的未来,其中考虑了由于霍金辐射对FRW宇宙视在地平线上的热效应。结果表明,由于热效应,最终以有限时间I型和III型奇异性或无限时间Little Rip奇异性结束的黑暗宇宙转变为有限时间II型奇异性。但是,II型和IV型奇异宇宙不会改变定性行为。量子效应和热效应的综合说明表明,根据宇宙的特定特征,只有一种效应是主导的。当(共形物质)量子效应占主导地位时,

更新日期:2020-07-28
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