Removing the big bang singularity: the role of the generalized uncertainty principle in quantum gravity

被引：4
|
作者：
Rashidi, Reza [1 ]
机构：
[1] Shahid Rajaee Teacher Training Univ, Dept Phys, Tehran 16788, Iran
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2013年 / 343卷 / 01期
关键词：
The big bang singularity; Generalized uncertainty principle; Negative temperatures; COSMOLOGY; LENGTH;
D O I：
10.1007/s10509-012-1248-6
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The possibility of avoiding the big bang singularity by means of a generalized uncertainty principle is investigated. In relation with this matter, the statistical mechanics of a free-particle system obeying the generalized uncertainty principle is studied and it is shown that the entropy of the system has a finite value in the infinite temperature limit. It is then argued that negative temperatures and negative pressures are possible in this system. Finally, it is shown that this model can remove the big bang singularity.
引用
收藏
页码：383 / 390
页数：8
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