Do Newtonian large-scale structure simulations fail to include relativistic effects?

被引：14
|
作者：
Faraoni, Valerio [1 ,2 ]
Lapierre-Leonard, Marianne [1 ]
Prain, Angus [1 ,2 ]
机构：
[1] Bishops Univ, Dept Phys, Sherbrooke, PQ J1M 1Z7, Canada
[2] Bishops Univ, STAR Res Cluster, Sherbrooke, PQ J1M 1Z7, Canada
来源：
PHYSICAL REVIEW D | 2015年 / 92卷 / 02期
基金：
加拿大自然科学与工程研究理事会;
关键词：
ENERGY; TESTS;
D O I：
10.1103/PhysRevD.92.023511
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Newtonian simulations describing the formation of large-scale structures do not include relativistic effects. A new approach to this problem is proposed, which consists of splitting the Hawking-Hayward quasilocal energy of a closed spacelike 2-surface into a "Newtonian" part due to local perturbations and a "relativistic" part due to the cosmology. It is found that the Newtonian part dominates over the relativistic one as time evolves, lending support to the validity of Newtonian simulations.
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收藏
页数：8
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