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ExaGRyPE: Numerical general relativity solvers based upon the hyperbolic PDEs solver engine ExaHyPE (2024)
Journal Article
Zhang, H., Li, B., Weinzierl, T., & Barrera-Hinojosa, C. (2025). ExaGRyPE: Numerical general relativity solvers based upon the hyperbolic PDEs solver engine ExaHyPE. Computer Physics Communications, 307, Article 109435. https://doi.org/10.1016/j.cpc.2024.109435

ExaGRyPE describes a suite of solvers and solver ingredients for numerical relativity that are based upon ExaHyPE 2, the second generation of our Exascale Hyperbolic PDE Engine. Numerical relativity simulations are crucial in resolv... Read More about ExaGRyPE: Numerical general relativity solvers based upon the hyperbolic PDEs solver engine ExaHyPE.

Galaxy clustering in modified gravity from full-physics simulations – I. Two-point correlation functions (2024)
Journal Article
Collier, M., Bose, S., & Li, B. (2024). Galaxy clustering in modified gravity from full-physics simulations – I. Two-point correlation functions. Monthly Notices of the Royal Astronomical Society, 534(3), 2204-2220. https://doi.org/10.1093/mnras/stae2219

We present an in-depth investigation of galaxy clustering based on a new suite of realistic large-box galaxy formation simulations in f (R) gravity, with a subgrid physics model that has been recalibrated to reproduce various observed stellar and gas... Read More about Galaxy clustering in modified gravity from full-physics simulations – I. Two-point correlation functions.

Nonlinear power spectrum and forecasts for a generalized cubic covariant Galileon (2024)
Journal Article
Atayde, L., Frusciante, N., Bose, B., Casas, S., & Li, B. (2024). Nonlinear power spectrum and forecasts for a generalized cubic covariant Galileon. Physical Review D, 110(2), Article 024082. https://doi.org/10.1103/physrevd.110.024082

To fully exploit the data from next generation surveys, we need an accurate modeling of the matter power spectrum up to nonlinear scales. Therefore in this work we present the halo model reaction framework for the generalized cubic covariant Galileon... Read More about Nonlinear power spectrum and forecasts for a generalized cubic covariant Galileon.

Estimation of line-of-sight velocities of individual galaxies using neural networks – I. Modelling redshift–space distortions at large scales (2024)
Journal Article
Chen, H., Wang, J., Mao, T., Ma, J., Meng, Y., Li, B., Cai, Y.-C., Neyrinck, M., Falck, B., & Szalay, A. S. (2024). Estimation of line-of-sight velocities of individual galaxies using neural networks – I. Modelling redshift–space distortions at large scales. Monthly Notices of the Royal Astronomical Society, 532(4), 3947-3960. https://doi.org/10.1093/mnras/stae1682

Minkowski functionals of large-scale structure as a probe of modified gravity (2024)
Journal Article
Jiang, A., Liu, W., Fang, W., Li, B., Barrera-Hinojosa, C., & Zhang, Y. (2024). Minkowski functionals of large-scale structure as a probe of modified gravity. Physical Review D, 109(8), Article 083537. https://doi.org/10.1103/physrevd.109.083537

In this study, we explore the potential of utilizing the four Minkowski functionals, which can fully describe the morphological properties of the large-scale structures, as a robust tool for investigating the modified gravity, particularly on nonline... Read More about Minkowski functionals of large-scale structure as a probe of modified gravity.

fkPT: constraining scale-dependent modified gravity with the full-shape galaxy power spectrum (2024)
Journal Article
Rodriguez-Meza, M. A., Aviles, A., Noriega, H. E., Ruan, C., Li, B., Vargas-Magaña, M., & Cervantes-Cota, J. L. (2024). fkPT: constraining scale-dependent modified gravity with the full-shape galaxy power spectrum. Journal of Cosmology and Astroparticle Physics, 2024(03), Article 049. https://doi.org/10.1088/1475-7516/2024/03/049

Modified gravity models with scale-dependent linear growth typically exhibit an enhancement in the power spectrum beyond a certain scale. The conventional methods for extracting cosmological information usually involve inferring modified gravity effe... Read More about fkPT: constraining scale-dependent modified gravity with the full-shape galaxy power spectrum.

The e-MANTIS emulator: fast predictions of the non-linear matter power spectrum in f(R)CDM cosmology (2023)
Journal Article
Sáez-Casares, I., Rasera, Y., & Li, B. (2024). The e-MANTIS emulator: fast predictions of the non-linear matter power spectrum in f(R)CDM cosmology. Monthly Notices of the Royal Astronomical Society, 527(3), 7242-7262. https://doi.org/10.1093/mnras/stad3343

In order to probe modifications of gravity at cosmological scales, one needs accurate theoretical predictions. N-body simulations
are required to explore the non-linear regime of structure formation but are very time consuming. In this work, we rele... Read More about The e-MANTIS emulator: fast predictions of the non-linear matter power spectrum in f(R)CDM cosmology.

An emulator-based halo model in modified gravity – I. The halo concentration–mass relation and density profile (2023)
Journal Article
Ruan, C.-Z., Cuesta-Lazaro, C., Eggemeier, A., Li, B., Baugh, C. M., Arnold, C., Bose, S., Hernández-Aguayo, C., Zarrouk, P., & Davies, C. T. (2024). An emulator-based halo model in modified gravity – I. The halo concentration–mass relation and density profile. Monthly Notices of the Royal Astronomical Society, 527(2), 2490–2507. https://doi.org/10.1093/mnras/stad3021

Where shadows lie: reconstruction of anisotropies in the neutrino sky (2023)
Journal Article
Elbers, W., Frenk, C. S., Jenkins, A., Li, B., Pascoli, S., Jasche, J., …Springel, V. (2023). Where shadows lie: reconstruction of anisotropies in the neutrino sky. Journal of Cosmology and Astroparticle Physics, 2023(10), Article 010. https://doi.org/10.1088/1475-7516/2023/10/010

The Cosmic Neutrino Background (CNB) encodes a wealth of information, but has not yet been observed directly. To determine the prospects of detection and to study its information content, we reconstruct the phase-space distribution of local relic neu... Read More about Where shadows lie: reconstruction of anisotropies in the neutrino sky.

Galaxy clustering from the bottom up: A Streaming Model emulator I (2023)
Journal Article
Cuesta-Lazaro, C., Nishimichi, T., Kobayashi, Y., Ruan, C.-Z., Eggemeier, A., Miyatake, H., Takada, M., Yoshida, N., Zarrouk, P., Baugh, C. M., Bose, S., & Li, B. (2023). Galaxy clustering from the bottom up: A Streaming Model emulator I. Monthly Notices of the Royal Astronomical Society, 523(3), 3219–3238. https://doi.org/10.1093/mnras/stad1207

In this series of papers, we present a simulation-based model for the non-linear clustering of galaxies based on separate modelling of clustering in real space and velocity statistics. In the first paper, we present an emulator for the real-space cor... Read More about Galaxy clustering from the bottom up: A Streaming Model emulator I.

Higher order initial conditions with massive neutrinos (2022)
Journal Article
Elbers, W., Frenk, C. S., Jenkins, A., Li, B., & Pascoli, S. (2022). Higher order initial conditions with massive neutrinos. Monthly Notices of the Royal Astronomical Society, 516(3), https://doi.org/10.1093/mnras/stac2365

The discovery that neutrinos have mass has important consequences for cosmology. The main effect of massive neutrinos is to suppress the growth of cosmic structure on small scales. Such growth can be accurately modelled using cosmological N-body simu... Read More about Higher order initial conditions with massive neutrinos.

FORGE - the f(R) gravity cosmic emulator project I: Introduction and matter power spectrum emulator (2022)
Journal Article
Arnold, C., Li, B., Giblin, B., Harnois-Déraps, J., & Cai, Y.-C. (2022). FORGE - the f(R) gravity cosmic emulator project I: Introduction and matter power spectrum emulator. Monthly Notices of the Royal Astronomical Society, 515(3), 4161-4175. https://doi.org/10.1093/mnras/stac1091

We present a large suite of cosmological simulations, the FORGE (F-of-R Gravity Emulator) simulation suite, which is designed to build accurate emulators for cosmological observables in galaxy clustering, weak gravitational lensing, and galaxy cluste... Read More about FORGE - the f(R) gravity cosmic emulator project I: Introduction and matter power spectrum emulator.

Fingerprints of modified gravity on galaxies in voids (2022)
Journal Article
Cataldi, P., Pedrosa, S., Padilla, N., Landau, S., Arnold, C., & Li, B. (2022). Fingerprints of modified gravity on galaxies in voids. Monthly Notices of the Royal Astronomical Society, 515(4), 5358-5374. https://doi.org/10.1093/mnras/stac2122

We search for detectable signatures of f(R) gravity and its chameleon screening mechanism in the baryonic and dark matter (DM) properties of simulated void galaxies. The enhancement of the gravitational acceleration can have a meaningful impact on th... Read More about Fingerprints of modified gravity on galaxies in voids.