Precise calibration of the one-loop bispectrum in the effective field theory of large scale structure

@article{Steele2021PreciseCO,
  title={Precise calibration of the one-loop bispectrum in the effective field theory of large scale structure},
  author={Theodore Steele and Tobias Baldauf},
  journal={Physical Review D},
  year={2021},
  volume={103},
  pages={023520}
}
The large-scale structure (LSS) provides a three-dimensional cosmological probe containing significantly more information than the CMB, but its small-scale non-linearities render standard perturbation theory unreliable beyond tree-level. The authors study the bispectrum of the LSS, an important cosmological observable for non-Gaussianity, in the effective field theory approach up to 1-loop order, while taking the full $\mathrm{\ensuremath{\Lambda}}$CDM time-dependence into account, and show… Expand
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  • Journal of Cosmology and Astroparticle Physics
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References

SHOWING 1-10 OF 68 REFERENCES
JCAP 05
  • 007
  • 2015
Phys
  • Rev. D 92, 123007
  • 2015
Phys
  • Rept. 367, 1
  • 2002
and M
  • Zaldarriaga
  • 2016
Prog
  • Theor. Phys. 120, 549
  • 2008
G
  • D’Amico, M. M. Ivanov, L. Senatore, M. Simonović, M. Takada, M. Zaldarriaga, and P. Zhang
  • 2020
JCAP 05
  • 042
  • 2020
Planck 2018 results
Author(s): Aghanim, N; Akrami, Y; Ashdown, M; Aumont, J; Baccigalupi, C; Ballardini, M; Banday, AJ; Barreiro, RB; Bartolo, N; Basak, S; Battye, R; Benabed, K; Bernard, JP; Bersanelli, M; Bielewicz,Expand
The cosmological analysis of the SDSS/BOSS data from the Effective Field Theory of Large-Scale Structure
The Effective Field Theory of Large-Scale Structure (EFTofLSS) is a formalism that allows us to predict the clustering of Cosmological Large-Scale Structure in the mildly non-linear regime in anExpand
and D
  • Jeong
  • 2020
...
1
2
3
4
5
...