BB mode angular power spectrum of CMB from massive gravity

被引：0
|
作者：
N. Malsawmtluangi
P. K. Suresh
机构：
[1] University of Hyderabad,School of Physics
[2] Government Kolasib College,Department of Physics
来源：
Astrophysics and Space Science | 2021年 / 366卷
关键词：
Inflation; Gravitational waves; Massive gravity; CMB;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The BB-mode correlation angular power spectrum of the cosmic microwave background is studied for primordial massive gravitational waves for several inflation models. The comparative study of the angular power spectrum with the joint BICEP2/Keck Array and Planck data suggests further constraint on the lower and upper bounds on the mass of primordial gravitons. Assuming a modified dispersion relation, the mass of primordial graviton is also calculated. The resulting constraint also agrees with other theoretical estimates.
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