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  1. We elucidate the importance of the consistent treatment of gravity-model specific non-linearities when estimating the growth of cosmological structures from redshift space distortions (RSD). Within the context of standard perturbation theory (SPT), we compare the predictions of two theoretical templates with redshift space data from COLA (COmoving Lagrangian Acceleration) simulations in the ...
    Author:Benjamin Bose, Kazuya Koyama, Wojciech A. Hellwing, Gong-Bo Zhao, Hans A. WintherPublished:2017
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  3. Theoretical Accuracy in Cosmological Growth Estimation Benjamin Bose 1, Kazuya Koyama , Wojciech A. Hellwing;2, Gong-Bo Zhao1;3 1Institute of Cosmology & Gravitation, University of Portsmouth, Portsmouth, Hampshire, PO1 3FX, UK 2Janusz Gil Institute of Astronomy, University of Zielona G ora, ul. Szafrana 2, 65-516 Zielona G ora, Poland and 3National Astronomy Observatories, Chinese Academy of ...
  4. researchportal.port.ac.uk

    The two theoretical templates correspond to the standard general relativistic perturbation equations and those same equations modelled within nDGP. Gravitational clustering non-linear effects are accounted for by modelling the power spectrum up to one loop order and redshift space clustering anisotropy is modelled using the Taruya, Nishimichi ...
  5. semanticscholar.org

    We elucidate the importance of the consistent treatment of gravity-model specific non-linearities when estimating the growth of cosmological structures from redshift space distortions (RSD). Within the context of standard perturbation theory (SPT), we compare the predictions of two theoretical templates with redshift space data from COLA (COmoving Lagrangian Acceleration) simulations in the ...
  6. semanticscholar.org

    DOI: 10.1103/PhysRevD.96.023519 Corpus ID: 55593645; Theoretical accuracy in cosmological growth estimation @article{Bose2017TheoreticalAI, title={Theoretical accuracy in cosmological growth estimation}, author={Benjamin Bose and Kazuya Koyama and Wojciech A. Hellwing and Gong-Bo Zhao and Hans A. Winther}, journal={Physical Review D}, year={2017}, volume={96}, pages={023519} }
  7. link.aps.org

    We elucidate the importance of the consistent treatment of gravity-model specific nonlinearities when estimating the growth of cosmological structures from redshift space distortions (RSD). Within the context of standard perturbation theory (SPT), we compare the predictions of two theoretical templates with redshift space data from COLA (comoving Lagrangian acceleration) simulations in the ...
  8. inspirehep.net

    The two theoretical templates correspond to the standard general relativistic perturbation equations and those same equations modeled within nDGP. Gravitational clustering nonlinear effects are accounted for by modeling the power spectrum up to one-loop order and redshift space clustering anisotropy is modeled using the Taruya, Nishimichi and ...
  9. semanticscholar.org

    The GR template values (blue) have been slightly shifted for better visualisation. - "Theoretical accuracy in cosmological growth estimation" FIG. 10: The best fit value for f as a function of kmax with the 2σ errors for the DGP and GR templates at z = 1. The survey volume is taken to be 10Gpc3/h3 with the annotated plot containing the ...

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