Third-Order Density Perturbation and One-Loop Power Spectrum in Dark-Energy-Dominated Universe

Preprint English OPEN
Takahashi, Ryuichi;
  • Identifiers: doi: 10.1143/PTP.120.549
  • Subject: General Relativity and Quantum Cosmology | Astrophysics
    arxiv: Astrophysics::Cosmology and Extragalactic Astrophysics

We investigate the third-order density perturbation and the one-loop correction to the linear power spectrum in the dark-energy cosmological model. Our main interest is to understand the dark-energy effect on baryon acoustic oscillations in a quasi-nonlinear regime ($k ... View more
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