Back to Search
Start Over
Comparison of Einstein-Boltzmann solvers for testing general relativity
- Source :
- Phys.Rev.D, Phys.Rev.D, 2018, 97 (2), pp.023520. 〈10.1103/PhysRevD.97.023520〉, Phys.Rev.D, 2018, 97 (2), pp.023520. ⟨10.1103/PhysRevD.97.023520⟩, Physical Review D, Physical Review D, American Physical Society, 2018, 97 (2), pp.023520. ⟨10.1103/PhysRevD.97.023520⟩, Physical Review D, 97(2), 023520, Bellini, E, Barreira, A, Frusciante, N, Hu, B, Peirone, S, Raveri, M, Zumalacárregui, M, Avilez-Lopez, A, Ballardini, M, Battye, R A, Bolliet, B, Calabrese, E, Dirian, Y, Ferreira, P G, Finelli, F, Huang, Z, Ivanov, M M, Lesgourgues, J, Li, B, Lima, N A, Pace, F, Paoletti, D, Sawicki, I, Silvestri, A, Skordis, C, Umiltà, C & Vernizzi, F 2018, ' Comparison of Einstein-Boltzmann solvers for testing general relativity ', Physical Review D, vol. 97, no. 2, 023520 . https://doi.org/10.1103/PhysRevD.97.023520, Bellini, E; Barreira, A; Frusciante, N; Hu, B; Peirone, S; Raveri, M; et al.(2019). Comparison of Einstein-Boltzmann solvers for testing general relativity. Physical Review D, 97(2). doi: 10.1103/physrevd.97.023520. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/9rr3m5w5, Physical review D, 2018, Vol.97(2), pp.023520 [Peer Reviewed Journal], Physical Review D, vol 97, iss 2
- Publication Year :
- 2018
- Publisher :
- HAL CCSD, 2018.
-
Abstract
- 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 Ho\v{r}ava-Lifschitz gravity and two codes that model non-local 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 sub-percent level. This means that this suite of Einstein-Boltzmann solvers is now sufficiently accurate for precision constraints on cosmological and gravitational parameters.<br />Comment: 23 pages; 11 figures. Matches version accepted in PRD
- Subjects :
- Gravity (chemistry)
Cosmology and Nongalactic Astrophysics (astro-ph.CO)
General relativity
gravitation: model
scalar tensor
[ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph]
Cosmic microwave background
Dark matter
FOS: Physical sciences
model: nonlocal
Atomic
01 natural sciences
NO
Gravitation
symbols.namesake
Theoretical physics
General Relativity and Quantum Cosmology
Particle and Plasma Physics
dark matter: power spectrum
Alternative gravity theories, Cosmic microwave background, Cosmological parameters, Dark energy
0103 physical sciences
numerical methods
general relativity
Nuclear
Covariant transformation
Einstein
cosmic background radiation: power spectrum
010306 general physics
numerical calculations
QC
QB
Physics
Quantum Physics
010308 nuclear & particles physics
PE9_14
Molecular
Spectral density
Nuclear & Particles Physics
gravitation: f(R)
gravitation
covariance
astro-ph.CO
symbols
power spectrum: angular dependence
[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Astronomical and Space Sciences
Galileon
Astrophysics - Cosmology and Nongalactic Astrophysics
Subjects
Details
- Language :
- English
- ISSN :
- 24700010, 15507998, and 15502368
- Database :
- OpenAIRE
- Journal :
- Phys.Rev.D, Phys.Rev.D, 2018, 97 (2), pp.023520. 〈10.1103/PhysRevD.97.023520〉, Phys.Rev.D, 2018, 97 (2), pp.023520. ⟨10.1103/PhysRevD.97.023520⟩, Physical Review D, Physical Review D, American Physical Society, 2018, 97 (2), pp.023520. ⟨10.1103/PhysRevD.97.023520⟩, Physical Review D, 97(2), 023520, Bellini, E, Barreira, A, Frusciante, N, Hu, B, Peirone, S, Raveri, M, Zumalacárregui, M, Avilez-Lopez, A, Ballardini, M, Battye, R A, Bolliet, B, Calabrese, E, Dirian, Y, Ferreira, P G, Finelli, F, Huang, Z, Ivanov, M M, Lesgourgues, J, Li, B, Lima, N A, Pace, F, Paoletti, D, Sawicki, I, Silvestri, A, Skordis, C, Umiltà, C & Vernizzi, F 2018, ' Comparison of Einstein-Boltzmann solvers for testing general relativity ', Physical Review D, vol. 97, no. 2, 023520 . https://doi.org/10.1103/PhysRevD.97.023520, Bellini, E; Barreira, A; Frusciante, N; Hu, B; Peirone, S; Raveri, M; et al.(2019). Comparison of Einstein-Boltzmann solvers for testing general relativity. Physical Review D, 97(2). doi: 10.1103/physrevd.97.023520. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/9rr3m5w5, Physical review D, 2018, Vol.97(2), pp.023520 [Peer Reviewed Journal], Physical Review D, vol 97, iss 2
- Accession number :
- edsair.doi.dedup.....c33c4cb0bb627974f5bf327fdb76e499