Black holes in an asymptotically safe gravity theory with higher derivatives
Cai YF(蔡一夫); Cai, YF; Easson, DA
刊名JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
2010
期号9页码:2
关键词modified gravity GR black holes quantum black holes dark matter theory
学科分类Astronomy & Astrophysics; Physics
DOI10.1088/1475-7516/2010/09/002
通讯作者[Cai, Yi-Fu] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Cai, Yi-Fu ; Easson, Damien A.] Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA ; [Cai, Yi-Fu ; Easson, Damien A.] Arizona State Univ, Sch Earth & Space Explorat, Tempe, AZ 85287 USA ; [Cai, Yi-Fu ; Easson, Damien A.] Arizona State Univ, Beyond Ctr, Tempe, AZ 85287 USA ; [Cai, Yi-Fu ; Easson, Damien A.] Univ Tokyo, Inst Phys & Math Universe, Chiba 2778568, Japan ; [Easson, Damien A.] Univ Calif Santa Barbara, Kavli Inst Theoret Phys, Santa Barbara, CA 93106 USA
文章类型Article
英文摘要We present a class of spherically symmetric vacuum solutions to an asymptotically safe theory of gravity containing high-derivative terms. We find quantum corrected Schwarzschild-(anti)-de Sitter solutions with running gravitational coupling parameters. The evolution of the couplings is determined by their corresponding renormalization group flow equations. These black holes exhibit properties of a classical Schwarzschild solution at large length scales. At the center, the metric factor remains smooth but the curvature singularity, while softened by the quantum corrections, persists. The solutions have an outer event horizon and an inner Cauchy horizon which equate when the physical mass decreases to a critical value. Super-extremal solutions with masses below the critical value correspond to naked singularities. The Hawking temperature of the black hole vanishes when the physical mass reaches the critical value. Hence, the black holes in the asymptotically safe gravitational theory never completely evaporate. For appropriate values of the parameters such stable black hole remnants make excellent dark matter candidates.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
研究领域[WOS]Astronomy & Astrophysics ; Physics
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语种英语
WOS记录号WOS:000283576500034
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被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240342
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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Cai YF,Cai, YF,Easson, DA. Black holes in an asymptotically safe gravity theory with higher derivatives[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2010(9):2.
APA 蔡一夫,Cai, YF,&Easson, DA.(2010).Black holes in an asymptotically safe gravity theory with higher derivatives.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(9),2.
MLA 蔡一夫,et al."Black holes in an asymptotically safe gravity theory with higher derivatives".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .9(2010):2.
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