TORSION, CHERN-SIMONS TERM AND DIFFEOMORPHISM INVARIANCE

被引：1
|
作者：
Mahato, Prasanta [1 ]
Bhattacharya, Partha [2 ]
机构：
[1] Narasinha Dutt Coll, Howrah 711101, W Bengal, India
[2] Bangabasi Morning Coll, Kolkata 700009, W Bengal, India
来源：
MODERN PHYSICS LETTERS A | 2011年 / 26卷 / 06期
关键词：
Chern-Simons modified gravity; torsion; diffeomorphism invariance; FIELD;
D O I：
10.1142/S0217732311034852
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In the torsion circle times curvature approach of gravity Chern-Simons modification has been considered here. It has been found that Chern-Simons contribution to the Bianchi identity cancels from that of the scalar field part. But "homogeneity and isotropy" consideration of present day cosmology is a consequence of the "strong equivalence principle" and vice versa.
引用
收藏
页码：415 / 421
页数：7
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