Matches in SemOpenAlex for { <https://semopenalex.org/work/W3103703088> ?p ?o ?g. }
- W3103703088 endingPage "025" @default.
- W3103703088 startingPage "025" @default.
- W3103703088 abstract "Future large-scale structure surveys will measure three-point statistics with high statistical significance. This will offer significant improvements on our understanding of gravity, provided we can model these statistics accurately. {We assess the performance of several schemes for theoretical modelling of the matter bispectrum, including halo-model based approaches and fitting formulae. We compare the model predictions against N-body simulations, considering scales up to kmax = 4 h/Mpc, well into non-linear regime of structure formation. Focusing on the equilateral configuration, we conduct this analysis for three theories of gravity: general relativity, f(R) gravity, and the DGP braneworld model. Additionally, we compute the lensing convergence bispectrum for these models. We find that all current modelling prescriptions in modified gravity, in particular for theories with scale-dependent linear growth, fail to attain the accuracy required by the precision of the Stage IV surveys such as Euclid. Among these models, we find that a halo-model corrected fitting formula achieves the best overall performance.}" @default.
- W3103703088 created "2020-11-23" @default.
- W3103703088 creator A5025963003 @default.
- W3103703088 creator A5036155936 @default.
- W3103703088 creator A5047971920 @default.
- W3103703088 creator A5051365088 @default.
- W3103703088 creator A5078500623 @default.
- W3103703088 date "2020-02-19" @default.
- W3103703088 modified "2023-10-17" @default.
- W3103703088 title "Modelling the matter bispectrum at small scales in modified gravity" @default.
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