Non-linear dynamics of the minimal theory of massive gravity
Non-linear dynamics of the minimal theory of massive gravity
复制标题
极小质量引力理论的非线性动力学
DOI:
10.1051/0004-6361/202040018
复制
发表时间:
2021
影响因子:
6.5
通讯作者:
Mukohyama S.
中科院分区:
文献类型:
--
作者:
Hagala R.;De Felice A.;Mota D. F.;Mukohyama S.
We investigate cosmological signatures of the minimal theory of massive gravity (MTMG). To this aim, we simulate the normal branch of the MTMG by employing the RAMSESN-body code and extending it with an effective gravitational constantGeff. We implement an environment-dependentGeffas a function of the graviton mass and the local energy density as predicted by MTMG. We find that halo density profiles are not a good probe for MTMG because deviations from general relativity (GR) are quite small. Similarly, the matter power spectra show deviations only at the percentage level. However, we find a clear difference between MTMG and GR in that voids are denser in MTMG than in GR. As measuring void profiles is quite a complex task from an observational point of view, a better probe of MTMG would be the halo abundances. In this case, MTMG creates a larger amount of massive halos, while there is a suppression in the abundance of small halos.
影响因子:
6.4
作者:
Felice Antonio De;Doll Andreas;Mukohyama Shinji
通讯作者:
Mukohyama Shinji
影响因子:
6.4
作者:
A. Gumrukcuoglu;Chunshan Lin;S. Mukohyama
通讯作者:
A. Gumrukcuoglu;Chunshan Lin;S. Mukohyama
影响因子:
5
作者:
Feng, Justin C.;Carloni, Sante
通讯作者:
Carloni, Sante