Comparison of Einstein-Boltzmann solvers for testing general relativity

被引：53

作者：

Bellini, E. ^{[1
]}

Barreira, A. ^{[2
]}

Frusciante, N. ^{[3
]}

Hu, B. ^{[4
]}

Peirone, S. ^{[5
]}

Raveri, M. ^{[6
]}

Zumalacarregui, M. ^{[7
,8
,9
]}

Avilez-Lopez, A. ^{[10
]}

Ballardini, M. ^{[11
,12
,13
,14
]}

Battye, R. A. ^{[15
]}

Bolliet, B. ^{[16
]}

Calabrese, E. ^{[1
,17
]}

Dirian, Y. ^{[18
,19
]}

Ferreira, P. G. ^{[1
]}

Finelli, F. ^{[13
,14
]}

Huang, Z. ^{[20
]}

Ivanov, M. M. ^{[21
,22
]}

Lesgourgues, J. ^{[23
]}

Li, B. ^{[24
]}

Lima, N. A. ^{[25
]}

Pace, F. ^{[15
]}

Paoletti, D. ^{[13
,14
]}

Sawicki, I. ^{[26
]}

Silvestri, A. ^{[5
]}

Skordis, C. ^{[25
,26
,27
]}

Umilta, C. ^{[28
,29
,30
]}

Vernizzi, F. ^{[31
]}

机构：

[1] Univ Oxford, Denys Wilkinson Bldg,Keble Rd, Oxford OX1 3RH, England

[2] Max Planck Inst Astrophys, Karl Schwarzschild Str 1, D-85741 Garching, Germany

[3] Univ Lisbon, Inst Astrofis & Ciencias Espaco, Fac Ciencias, Edificio C8,Campo Grande, P-1749016 Lisbon, Portugal

[4] Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China

[5] Leiden Univ, Inst Lorentz, POB 9506, NL-2300 RA Leiden, Netherlands

[6] Univ Chicago, Kavli Inst Cosmol Phys, Enrico Fermi Inst, Chicago, IL 60637 USA

[7] KTH Royal Inst Technol, NORDITA, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden

[8] LBL, Berkeley Ctr Cosmol Phys, Berkeley, CA 94720 USA

[9] Univ Calif Berkeley, Berkeley, CA 94720 USA

[10] IPN, Ctr Invest & Estudios Avanzados, Dept Fis, AP 14-740, Ciudad De Mexico 07000, Mexico

[11] Univ Western Cape, Dept Phys & Astron, ZA-7535 Cape Town, South Africa

[12] Alma Mater Studiorum Univ Bologna, Dipartimento Fis & Astron, Viale Berti Pichat 6-2, I-40127 Bologna, Italy

[13] INAF IASF Bologna, Via Gobetti 101, I-40129 Bologna, Italy

[14] Ist Nazl Fis Nucl, Sez Bologna, Via Berti Pichat 6-2, I-40127 Bologna, Italy

[15] Univ Manchester, Sch Phys & Astron, Jodrell Bank Ctr Astrophys, Manchester M13 9PL, Lancs, England

[16] Univ Grenoble Alpes, CNRS, IN2P3, Lab Phys Subatom & Cosmol, 53 Ave Martyrs, F-38026 Grenoble, France

[17] Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3AA, S Glam, Wales

[18] Univ Geneva, Dept Phys Theor, 24 Quai Ansermet, CH-1211 Geneva 4, Switzerland

[19] Univ Geneva, Ctr Astroparticle Phys, 24 Quai Ansermet, CH-1211 Geneva 4, Switzerland

[20] Sun Yat Sen Univ, Sch Phys & Astron, 2 Daxue Rd, Zhuhai 519082, Peoples R China

[21] Ecole Polytech Fed Lausanne, Inst Phys, LPPC, CH-1015 Lausanne, Switzerland

[22] Russian Acad Sci, Inst Nucl Res, 60th October Anniversary Prospect 7a, Moscow 117312, Russia

[23] Rhein Westfal TH Aachen, Inst Theoret Particle Phys & Cosmol TTK, D-52056 Aachen, Germany

[24] Univ Durham, Dept Phys, Inst Computat Cosmol, Durham DH1 3LE, England

[25] Heidelberg Univ, Inst Theoret Phys, Philosophenweg 16, D-69120 Heidelberg, Germany

[26] CEICO, Fyzikalni Ustav Akad CR, Na Slovance 1999-2, Prague 18221, Czech Republic

[27] Univ Cyprus, Dept Phys, 1 Panepistimiou St, CY-2109 Aglantzia, Cyprus

[28] CNRS, UMR7095, Inst Astrophys Paris, CNRS, 98 Bis Blvd Arago, F-75014 Paris, France

[29] Univ Paris 06, UPMC, UMR7095, 98 Bis Blvd Arago, F-75014 Paris, France

[30] Sorbonne Univ, ILP, 98 Bis Blvd Arago, F-75014 Paris, France

[31] Univ Paris Saclay, CNRS, Inst Phys Theor, CEA, F-91191 Gif Sur Yvette, France

来源：

PHYSICAL REVIEW D | 2018年 / 97卷 / 02期

基金：

瑞士国家科学基金会;

关键词：

MODIFIED GRAVITY; PERTURBATION; ANISOTROPIES;

D O I：

10.1103/PhysRevD.97.023520

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We compare Einstein-Boltzmann solvers that include modifications to general relativity and find that, for a wide range of models and parameters, they agree to a high level of precision. We look at three general purpose codes that primarily model general scalar-tensor theories, three codes that model Jordan-Brans-Dicke (JBD) gravity, a code that models f(R) gravity, a code that models covariant Galileons, a code that models Horava-Lifschitz gravity, and two codes that model nonlocal models of gravity. Comparing predictions of the angular power spectrum of the cosmic microwave background and the power spectrum of dark matter for a suite of different models, we find agreement at the subpercent level. This means that this suite of Einstein-Boltzmann solvers is now sufficiently accurate for precision constraints on cosmological and gravitational parameters.

引用

页数：29

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