Emergent spacetime and the cosmological constant

被引：5
|
作者：
Yang, Hyun Seok [1 ]
机构：
[1] Korea Inst Adv Study, Sch Phys, Seoul 130012, South Korea
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2008年 / 23卷 / 14-15期
关键词：
emergent spacetime; cosmological constant; noncommutative field theory;
D O I：
10.1142/S0217751X08040767
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We address issues on the origin of gravity and the dark energy (or the cosmological constant) from the perspectives of emergent gravity. We discuss how the emergent gravity reveals a noble, radically different picture about the origin of spacetime, which is crucial for a tenable solution of the cosmological constant problem. In particular, the emergent gravity naturally explains the dynamical origin of flat spacetime, which is absent in Einstein gravity.
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页码：2181 / 2183
页数：3
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