Search Results - "Rasera Yann"
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Phase-space structure of cold dark matter haloes inside splashback: multistream flows and self-similar solution
Published in Monthly notices of the Royal Astronomical Society (01-04-2020)“…ABSTRACT Using the motion of accreting particles on to haloes in cosmological N-body simulations, we study the radial phase-space structures of cold dark…”
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Imprints of relativistic effects on the asymmetry of the halo cross-correlation function: from linear to non-linear scales
Published in Monthly notices of the Royal Astronomical Society (21-02-2019)“…The apparent distribution of large-scale structures in the Universe is sensitive to the velocity/potential of the sources as well as the potential along the…”
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Wide-angle redshift-space distortions at quasi-linear scales: cross-correlation functions from Zel’dovich approximation
Published in Monthly notices of the Royal Astronomical Society (01-01-2020)“…Redshift-space distortions (RSD) in galaxy redshift surveys generally break both the isotropy and homogeneity of galaxy distribution. While the former aspect…”
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Structure finding in cosmological simulations: the state of affairs
Published in Monthly notices of the Royal Astronomical Society (21-10-2013)“…The ever increasing size and complexity of data coming from simulations of cosmic structure formation demand equally sophisticated tools for their analysis…”
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Convection and AGN Feedback in Clusters of Galaxies
Published in The Astrophysical journal (20-12-2007)“…A number of studies have shown that the convective stability criterion for the intracluster medium (ICM) is very different from the Schwarzchild criterion, due…”
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The e-MANTIS emulator: fast predictions of the non-linear matter power spectrum in f(R)CDM cosmology
Published in Monthly notices of the Royal Astronomical Society (01-01-2024)“…ABSTRACT In order to probe modifications of gravity at cosmological scales, one needs accurate theoretical predictions. N-body simulations are required to…”
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Soft gamma-ray background and light dark matter annihilation
Published in Physical review. D, Particles, fields, gravitation, and cosmology (01-05-2006)Get full text
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Detectability of the gravitational redshift effect from the asymmetric galaxy clustering
Published in Monthly notices of the Royal Astronomical Society (15-02-2022)“…ABSTRACT It has been recently recognized that the observational relativistic effects, mainly arising from the light propagation in an inhomogeneous universe,…”
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Average dark matter halo sparsity relations as consistency check of mass estimates in galaxy cluster samples
Published in Monthly notices of the Royal Astronomical Society (11-08-2019)“…The dark matter halo sparsity provides a direct observational proxy of the halo mass profile, characterizing halos in terms of the ratio of masses within radii…”
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Cosmological test of local position invariance from the asymmetric galaxy clustering
Published in Monthly notices of the Royal Astronomical Society (24-07-2023)“…ABSTRACT The local position invariance (LPI) is one of the three major pillars of Einstein equivalence principle, ensuring the space–time independence on the…”
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Modelling the asymmetry of the halo cross-correlation function with relativistic effects at quasi-linear scales
Published in Monthly notices of the Royal Astronomical Society (01-10-2020)“…ABSTRACT The observed galaxy distribution via galaxy redshift surveys appears distorted due to redshift-space distortions (RSD). While one dominant…”
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The environmental dependence of the baryon acoustic peak in the Baryon Oscillation Spectroscopic Survey CMASS sample
Published in Monthly notices of the Royal Astronomical Society (01-01-2019)“…The environmental dependence of galaxy clustering encodes information about the physical processes governing the growth of cosmic structure. We analyse the…”
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Cosmological model parameter dependence of the matter power spectrum covariance from the DEUS-PUR Cosmo simulations
Published in Monthly notices of the Royal Astronomical Society (01-01-2021)“…ABSTRACT Future galaxy surveys will provide accurate measurements of the matter power spectrum across an unprecedented range of scales and redshifts. The…”
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The short ionizing photon mean free path at z = 6 in Cosmic Dawn III, a new fully coupled radiation-hydrodynamical simulation of the Epoch of Reionization
Published in Monthly notices of the Royal Astronomical Society (16-09-2022)“…Recent determinations of the mean free path of ionizing photons (mfp) in the intergalactic medium (IGM) at z = 6 are lower than many theoretical predictions…”
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Haloes gone MAD: The Halo-Finder Comparison Project
Published in Monthly notices of the Royal Astronomical Society (11-08-2011)“…ABSTRACT We present a detailed comparison of fundamental dark matter halo properties retrieved by a substantial number of different halo finders. These codes…”
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Probing dark energy models with extreme pairwise velocities of galaxy clusters from the DEUS-FUR simulations
Published in Monthly notices of the Royal Astronomical Society (11-06-2015)“…Observations of colliding galaxy clusters with high relative velocity probe the tail of the halo pairwise velocity distribution with the potential of providing…”
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Cosmic-variance limited Baryon Acoustic Oscillations from the DEUS-FUR ΛCDM simulation
Published in Monthly notices of the Royal Astronomical Society (2014)“…We investigate the non-linear evolution of Baryon Acoustic Oscillations (BAO) in the low-redshift matter power spectrum from the DEUS-FUR ΛCDM model…”
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Small scale clustering of late forming dark matter
Published in Physical review. D, Particles, fields, gravitation, and cosmology (02-09-2015)Get full text
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Imprints of dark energy on cosmic structure formation - III. Sparsity of dark matter halo profiles
Published in Monthly notices of the Royal Astronomical Society (01-01-2014)“…We study the imprint of dark energy on the density profile of dark matter haloes using a set of high-resolution large volume cosmological N-body simulations…”
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