The Buchdahl stability bound in Eddington-inspired Born-Infeld gravity

被引：0

作者：

冯维祥 ^{[1
]}

耿朝强 ^{[2
,3
,4
]}

罗令崴 ^{[2
,5
]}

机构：

[1] Department of Physics and Astronomy, University of California

[2] Department of Physics, National Tsing Hua University

[3] Physics Division, National Center for Theoretical Sciences

[4] Synergetic Innovation Center for Quantum Effects and Applications (SICQEA), Hunan Normal University

[5] Institute of Physics,Academia Sinica

来源：

Chinese Physics C | 2019年 / 43卷 / 08期

关键词：

Eddington-inspired Born-Infeld gravity; Buchdahl stability bound; Hagedom-like equation of state; compact stars;

D O I：

暂无

中图分类号：

O314 [引力理论];

学科分类号：

080101 ;

摘要：

We give the Buchdahl stability bound in Eddington-inspired Born-Infeld(EiBI)gravity.We show that this bound depends on an energy condition controlled by the model parameter K.From this bound,we can constrain κ≤10~8 m~2 if a neutron star with a mass around 3 M is observed in the future.In addition,to avoid the potential pathologies in EiBI,a Hagedorn-like equation of state associated with κ at the center of a compact star is inevitable,which is similar to the Hagedorn temperature in string theory.

引用

页码：90 / 96

页数：7

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