Year: 2024
Type: article
Abstract: Context. The Euclid space satellite mission will measure the large-scale clustering of galaxies at an unprecedented precision, providing a unique probe of modifications to the ΛCDM model. Aims. We investigated the approximations needed to efficiently predict the large-scale clustering of matter and dark matter halos in the context of modified gravity and exotic dark energy scenarios. We examined the normal branch of the Dvali–Gabadadze–Porrati model, the Hu–Sawicki f ( R ) model, a slowly evolving dark energy model, an interacting dark energy model, and massive neutrinos. For each, we tested approximations for the perturbative kernel calculations, including the omission of screening terms and the use of perturbative kernels based on the Einstein–de Sitter universe; we explored different infrared-resummation schemes, tracer bias models and a linear treatment of massive neutrinos; we investigated various approaches for dealing with redshift-space distortions and modelling the mildly nonlinear scales, namely the Taruya–Nishimishi–Saito prescription and the effective field theory of large-scale structure. This work provides a first validation of the various codes being considered by Euclid for the spectroscopic clustering probe in beyond-ΛCDM scenarios. Methods. We calculated and compared the χ 2 statistic to assess the different modelling choices. This was done by fitting the spectroscopic clustering predictions to measurements from numerical simulations and perturbation theory-based mock data. We compared the behaviour of this statistic in the beyond-ΛCDM cases, as a function of the maximum scale included in the fit, to the baseline ΛCDM case. Results. We find that the Einstein–de Sitter approximation without screening is surprisingly accurate for the modified gravity cases when comparing to the halo clustering monopole and quadrupole obtained from simulations and mock data. Further, we find the same goodness-of-fit for both cases – the one including and the one omitting non-standard physics in the predictions. Our results suggest that the inclusion of multiple redshift bins, higher-order multipoles, higher-order clustering statistics (such as the bispectrum), and photometric probes such as weak lensing, will be essential to extract information on massive neutrinos, modified gravity and dark energy. Additionally, we show that the three codes used in our analysis, namely, PBJ , Pybird and MG-Copter , exhibit sub-percent agreement for k ≤ 0.5 h Mpc −1 across all the models. This consistency underscores their value as reliable tools.
Source: Astronomy and Astrophysics
Authors: B. Bose, P. Carrilho, M. Marinucci, C. Moretti, M. Pietroni, E. Carella, L. Piga, B. S. Wright, F. Vernizzi, C. Carbone, S. Casas, G. D’Amico, N. Frusciante, K. Koyama, F. Pace, A. Pourtsidou, M. Baldi, L. F. de la Bella, B. Fiorini, C. Giocoli, L. Lombriser, N. Aghanim, A. Amara, S. Andreon, N. Auricchio, S. Bardelli, C. Bodendorf, D. Bonino, E. Branchini, M. Brescia, J. Brinchmann, S. Camera, V. Capobianco, V. F. Cardone, J. Carretero, M. Castellano, S. Cavuoti, A. Cimatti, G. Congedo, C. J. Conselice, L. Conversi, Y. Copin, A. Costille, F. Courbin, H. M. Courtois, A. Da Silva, H. Degaudenzi, A. M. Di Giorgio, F. Dubath, C. A. J. Duncan, X. Dupac, S. Dusini, M. Farina, S. Farrens, S. Ferriol, P. Fosalba, M. Frailis, E. Franceschi, S. Galeotta, B. Garilli, B. Gillis, A. Grazian, F. Grupp, L. Guzzo, S. V. H. Haugan, F. Hormuth, A. Hornstrup, K. Jahnke, B. Joachimi, E. Keihänen, S. Kermiche, A. Kiessling, M. Kilbinger, T. Kitching, M. Kunz, H. Kurki-Suonio, S. Ligori, P. B. Lilje, V. Lindholm, I. Lloro, D. Maino, E. Maiorano, O. Mansutti, O. Marggraf, K. Markovic, N. Martinet, F. Marulli, R. Massey, E. Medinaceli, M. Meneghetti, G. Meylan, M. Moresco, L. Moscardini, D. F. Mota, E. Munari, S.-M. Niemi, C. Padilla, S. Paltani, F. Pasian, K. Pedersen, W. J. Percival, V. Pettorino, S. Pires, G. Polenta, M. Poncet, L. A. Popa, L. Pozzetti, F. Raison, A. Renzi, J. Rhodes, G. Riccio, E. Romelli, M. Roncarelli, R. Saglia, D. Sapone, B. Sartoris, P. Schneider, A. Secroun, G. Seidel, M. Seiffert, S. Serrano, C. Sirignano, G. Sirri, L. Stanco, J.-L. Starck, P. Tallada-Crespí, A. N. Taylor, I. Tereno, R. Toledo-Moreo, F. Torradeflot, I. Tutusaus, E. A. Valentijn, L. Valenziano, T. Vassallo, A. Veropalumbo, Y. Wang, J. Weller, G. Zamorani, J. Zoubian, E. Zucca, A. Biviano, E. Bozzo, C. Burigana, C. Colodro-Conde, D. Di Ferdinando, J. Graciá-Carpio, N. Mauri, C. Neissner, Z. Sakr, V. Scottez, M. Tenti, M. Viel, M. Wiesmann, Y. Akrami, V. Allevato, S. Anselmi, M. Ballardini, F. Bernardeau, S. Borgani, S. Bruton, R. Cabanac, A. Cappi, C. S. Carvalho, G. Castignani, T. Castro, G. Cañas-Herrera, K. C. Chambers, A. R. Cooray, J. Coupon, S. Davini, S. de la Torre, G. De Lucia, G. Desprez, S. Di Domizio, H. Dole, A. Díaz-Sánchez, J. A. Escartin Vigo, S. Escoffier, P. G. Ferreira, I. Ferrero, F. Finelli, L. Gabarra, K. Ganga, J. García-Bellido, F. Giacomini, G. Gozaliasl, D. Guinet, A. Hall, S. Joudaki, J. J. E. Kajava, V. Kansal, D. Karagiannis, C. C. Kirkpatrick, L. Legrand, A. Loureiro, J. Macias-Perez, M. Magliocchetti, R. Maoli, M. Martinelli, C. J. A. P. Martins, S. Matthew, M. Maturi, L. Maurin, R. B. Metcalf, M. Migliaccio, P. Monaco, G. Morgante, S. Nadathur, Nicholas A. Walton, L. Patrizii, A. Pezzotta, V. Popa, C. Porciani, D. Potter, M. Pöntinen, P. Reimberg, P.-F. Rocci, A. G. Sánchez, A. Schneider, E. Sefusatti, M. Sereno, A. Silvestri, A. Spurio Mancini, J. Steinwagner, G. Testera, R. Teyssier, S. Toft, S. Tosi, A. Troja, M. Tucci, J. Valiviita, D. Vergani
Institutions: University of Helsinki, University of Copenhagen, Ludwig-Maximilians-Universität München, Istituto Nazionale di Fisica Nucleare, Sezione di Milano, University of Oslo, von Hoerner & Sulger (Germany), Technical University of Denmark, Max Planck Institute for Astronomy, University College London, Helsinki Institute of Physics, Centre National de la Recherche Scientifique, Aix-Marseille Université, Centre de physique des particules de Marseille, Institut National de Physique Nucléaire et de Physique des Particules, Jet Propulsion Laboratory, Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Université Paris-Saclay, Astrophysique, Instrumentation et Modélisation, CEA Paris-Saclay, Netherlands Institute for Radio Astronomy, University of Bonn, University of Bologna, Durham University, European Space Research and Technology Centre, Aarhus University, Université Paris Cité, Agenzia Spaziale Italiana, Centre National d'Études Spatiales, Institute of Space Science - INFLPR Subsidiary, University of Padua, Institute of Space Sciences, Consejo Superior de Investigaciones Científicas, University of Lisbon, Institute of Astrophysics and Space Sciences, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, Institut de Recherche en Astrophysique et Planétologie, University of Chile, University of Waterloo
Language: English
Subfield: Astronomy and Astrophysics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $1,732
Funders: National Aeronautics and Space Administration, UK Research and Innovation, Dipartimenti di Eccellenza, European Space Agency, European Commission, Agence Nationale de la Recherche, Ministero dell’Istruzione, dell’Università e della Ricerca, Magyar Tudományos Akadémia, Agenzia Spaziale Italiana, National Astronomical Observatory of Japan, Agenția Spațială Română, Norsk Romsenter, Fundação para a Ciência e a Tecnologia, NextGenerationEU, International Council of Shopping Centers
Awards: G1218422824, G1673643808, G2372493982, Para além de Lambda, G4299943101, G4424303658, G4625764347, G4872098231, G5329322851, G5356239126, G5417130124, G6173278355, G6520279273, G6784949917, G7787934214, Cosmology with large-scale structure: a sub-percent-accurate model for galaxy clustering, G844640275, G987940167
OpenAlex ID: W4399167625