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

页码：415 / 421

页数：7

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