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New Probe of Departures from General Relativity Using Minkowski Functionals
Fang, Wenjuan1,2; Li, Baojiu3; Zhao, Gong-Bo4,5
2017-05-02
发表期刊PHYSICAL REVIEW LETTERS
卷号118期号:18
摘要The morphological properties of the large scale structure of the Universe can be fully described by four Minkowski functionals (MFs), which provide important complementary information to other statistical observables such as the widely used 2-point statistics in configuration and Fourier spaces. In this work, for the first time, we present the differences in the morphology of the large scale structure caused by modifications to general relativity (to address the cosmic acceleration problem), by measuring the MFs from N-body simulations of modified gravity and general relativity. We find strong statistical power when using the MFs to constrain modified theories of gravity: with a galaxy survey that has survey volume similar to 0.125 (h(-1) Gpc)(3) and galaxy number density similar to 1/(h(-1) Mpc)(3), the two normal-branch Dvali-GabadadzePorrati models and the F5 f(R) model that we simulated can be discriminated from the Lambda CDM model at a significance level greater than or similar to 5 sigma with an individual MF measurement. Therefore, the MF of the large scale structure is potentially a powerful probe of gravity, and its application to real data deserves active exploration.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
资助者National Natural Science Foundation of China(11643010 ; National Natural Science Foundation of China(11643010 ; UK STFC Consolidated Grants(ST/L00075X/1 ; UK STFC Consolidated Grants(ST/L00075X/1 ; 1000 Young Talents program in China ; 1000 Young Talents program in China ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09000000) ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09000000) ; BIS National E-infrastructure capital Grant(ST/K00042X/1) ; BIS National E-infrastructure capital Grant(ST/K00042X/1) ; STFC(ST/H008519/1 ; STFC(ST/H008519/1 ; STFC DiRAC Operations Grant(ST/K003267/1) ; STFC DiRAC Operations Grant(ST/K003267/1) ; Durham University ; Durham University ; 11653002 ; 11653002 ; RF040335) ; RF040335) ; ST/K00087X/1) ; ST/K00087X/1) ; 11421303) ; 11421303) ; National Natural Science Foundation of China(11643010 ; National Natural Science Foundation of China(11643010 ; UK STFC Consolidated Grants(ST/L00075X/1 ; UK STFC Consolidated Grants(ST/L00075X/1 ; 1000 Young Talents program in China ; 1000 Young Talents program in China ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09000000) ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09000000) ; BIS National E-infrastructure capital Grant(ST/K00042X/1) ; BIS National E-infrastructure capital Grant(ST/K00042X/1) ; STFC(ST/H008519/1 ; STFC(ST/H008519/1 ; STFC DiRAC Operations Grant(ST/K003267/1) ; STFC DiRAC Operations Grant(ST/K003267/1) ; Durham University ; Durham University ; 11653002 ; 11653002 ; RF040335) ; RF040335) ; ST/K00087X/1) ; ST/K00087X/1) ; 11421303) ; 11421303)
DOI10.1103/PhysRevLett.118.181301
关键词[WOS]LARGE-SCALE STRUCTURE ; PRIMORDIAL NON-GAUSSIANITY ; MORPHOLOGICAL ANALYSIS ; ACCELERATING UNIVERSE ; REDSHIFT SPACE ; STANDARD RULER ; TOPOLOGY ; GRAVITY ; STATISTICS ; SUPERNOVAE
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(11643010 ; National Natural Science Foundation of China(11643010 ; UK STFC Consolidated Grants(ST/L00075X/1 ; UK STFC Consolidated Grants(ST/L00075X/1 ; 1000 Young Talents program in China ; 1000 Young Talents program in China ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09000000) ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09000000) ; BIS National E-infrastructure capital Grant(ST/K00042X/1) ; BIS National E-infrastructure capital Grant(ST/K00042X/1) ; STFC(ST/H008519/1 ; STFC(ST/H008519/1 ; STFC DiRAC Operations Grant(ST/K003267/1) ; STFC DiRAC Operations Grant(ST/K003267/1) ; Durham University ; Durham University ; 11653002 ; 11653002 ; RF040335) ; RF040335) ; ST/K00087X/1) ; ST/K00087X/1) ; 11421303) ; 11421303) ; National Natural Science Foundation of China(11643010 ; National Natural Science Foundation of China(11643010 ; UK STFC Consolidated Grants(ST/L00075X/1 ; UK STFC Consolidated Grants(ST/L00075X/1 ; 1000 Young Talents program in China ; 1000 Young Talents program in China ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09000000) ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09000000) ; BIS National E-infrastructure capital Grant(ST/K00042X/1) ; BIS National E-infrastructure capital Grant(ST/K00042X/1) ; STFC(ST/H008519/1 ; STFC(ST/H008519/1 ; STFC DiRAC Operations Grant(ST/K003267/1) ; STFC DiRAC Operations Grant(ST/K003267/1) ; Durham University ; Durham University ; 11653002 ; 11653002 ; RF040335) ; RF040335) ; ST/K00087X/1) ; ST/K00087X/1) ; 11421303) ; 11421303)
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000400672700002
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8853
专题星系宇宙学研究部
作者单位1.Univ Sci & Technol China, Dept Astron, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Key Lab Res Galaxies & Cosmol, Hefei 230026, Anhui, Peoples R China
3.Univ Durham, Inst Computat Cosmol, Dept Phys, Durham DH1 3LE, England
4.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
5.Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England
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Fang, Wenjuan,Li, Baojiu,Zhao, Gong-Bo. New Probe of Departures from General Relativity Using Minkowski Functionals[J]. PHYSICAL REVIEW LETTERS,2017,118(18).
APA Fang, Wenjuan,Li, Baojiu,&Zhao, Gong-Bo.(2017).New Probe of Departures from General Relativity Using Minkowski Functionals.PHYSICAL REVIEW LETTERS,118(18).
MLA Fang, Wenjuan,et al."New Probe of Departures from General Relativity Using Minkowski Functionals".PHYSICAL REVIEW LETTERS 118.18(2017).
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