299 citations · 486 across the 19 of their papers we have counts for
20 papers
cloelike: A Python Library for Cosmological Likelihood Inference in the Euclid Era
Marco Bonici, Guadalupe Cañas-Herrera, Pedro Carrilho +16
cloelike is a Python package providing modular, composable Gaussian likelihood classes for the main cosmological large-scale structure observables targeted by the ESA Euclid space…
cloelib: A Flexible Python Library for Computing Cosmological Observables in the Euclid Era
Marco Bonici, Guadalupe Cañas-Herrera, Pedro Carrilho +54
cloelib is a Python library developed to compute cosmological observables within the Cosmology Likelihood for Observables in Euclid (CLOE) ecosystem (cloe-org). As cosmology enters…
The impact of evolving dark energy on the Weyl potential measured from the Dark Energy Survey Year 3 data
Benedetta Rosatello, Gen Ye, Maria Berti +3
Measurements from the Dark Energy Survey (DES) Year 3 data have shown that the Weyl potential -- the sum of the spatial and temporal distortions of the geometry -- evolves more slo…
A novel test of gravity: Does spacetime geometry track matter density?
Camille Bonvin, Nastassia Grimm, Isaac Tutusaus
We propose a novel test of gravity that combines galaxy clustering with gravitational lensing. In general relativity, the evolution of matter density fluctuations and of the Weyl p…
The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
Eleonora Di Valentino, Jackson Levi Said, Adam Riess +533
The standard model of cosmology has provided a good phenomenological description of a wide range of observations both at astrophysical and cosmological scales for several decades.…
Comparing the motion of dark matter and standard model particles on cosmological scales
Nastassia Grimm, Camille Bonvin, Isaac Tutusaus
Since dark matter particles have never been directly detected, we do not know how they move, and in particular we do not know how they fall inside gravitational potential wells. Us…
The impact of large-scale galaxy clustering on the variance of the Hellings-Downs correlation: numerical results
Nastassia Grimm, Martin Pijnenburg, Giulia Cusin +1
Pulsar timing array experiments have recently found evidence for a stochastic gravitational wave (GW) background, which induces correlations among pulsar timing residuals described…
The impact of large-scale galaxy clustering on the variance of the Hellings-Downs correlation: theoretical framework
Nastassia Grimm, Martin Pijnenburg, Giulia Cusin +1
While pulsar timing array experiments have recently found evidence for the existence of a stochastic gravitational wave (GW) background, its origin is still unclear. If this backgr…
Testing General Relativity through the Statistic Using the Weyl Potential and Galaxy Velocities
Nastassia Grimm, Camille Bonvin, Isaac Tutusaus
We combine measurements of galaxy velocities from galaxy surveys with measurements of the Weyl potential from the Dark Energy Survey to test the consistency of General Relativity a…
Measurement of the Weyl potential evolution from the first three years of Dark Energy Survey data
Isaac Tutusaus, Camille Bonvin, Nastassia Grimm
The Weyl potential, which is the sum of the spatial and temporal distortions of the Universe's geometry, provides a direct way of testing the theory of gravity and the validity of…
Gravitational Redshift Constraints on the Effective Theory of Interacting Dark Energy
Sveva Castello, Michele Mancarella, Nastassia Grimm +3
Upcoming galaxy surveys provide the necessary sensitivity to measure gravitational redshift, a general relativistic effect that generates a dipole in galaxy clustering data when co…
Combining chirp mass, luminosity distance and sky localisation from gravitational wave events to detect the cosmic dipole
N. Grimm, M. Pijnenburg, S. Mastrogiovanni +3
A key test of the isotropy of the Universe on large scales consists in comparing the dipole in the Cosmic Microwave Background (CMB) temperature with the dipole in the distribution…
Rescuing constraints on modified gravity using gravitational redshift in large-scale structure
Sveva Castello, Nastassia Grimm, Camille Bonvin
The distribution of galaxies provides an ideal laboratory to test for deviations from General Relativity. In particular, redshift-space distortions are commonly used to constrain m…
Non-Gaussianity in the Squeezed Three-Point Correlation from the Relativistic Effects
Jaiyul Yoo, Nastassia Grimm, Ermis Mitsou
Assuming a LCDM universe in a single-field inflationary scenario, we compute the three-point correlation function of the observed matter density fluctuation in the squeezed triangu…
General Relativistic Effects in Weak Lensing Angular Power Spectra
Nastassia Grimm, Jaiyul Yoo
Advances in upcoming weak lensing surveys pose new challenges for an accurate modeling of the lensing observables. The wide sky coverage of Euclid makes angular scales down to $l_\…
Cutting out the cosmological middle man: General Relativity in the light-cone coordinates
Ermis Mitsou, Giuseppe Fanizza, Nastassia Grimm +1
Analytical computations in relativistic cosmology can be split into two sets: time evolution relating the initial conditions to the observer's light-cone and light propagation to o…
Galaxy Power Spectrum in General Relativity
Nastassia Grimm, Fulvio Scaccabarozzi, Jaiyul Yoo +2
We present the galaxy power spectrum in general relativity. Using a novel approach, we derive the galaxy power spectrum taking into account all the relativistic effects in observat…
Cosmological Information Contents on the Light-Cone
Jaiyul Yoo, Ermis Mitsou, Nastassia Grimm +2
We develop a theoretical framework to describe the cosmological observables on the past light cone such as the luminosity distance, weak lensing, galaxy clustering, and the cosmic…
Jacobi Mapping Approach for a Precise Cosmological Weak Lensing Formalism
Nastassia Grimm, Jaiyul Yoo
Cosmological weak lensing has been a highly successful and rapidly developing research field since the first detection of cosmic shear in 2000. However, it has recently been pointe…
Gauge-Invariant Formalism of Cosmological Weak Lensing
Jaiyul Yoo, Nastassia Grimm, Ermis Mitsou +2
We present the gauge-invariant formalism of cosmological weak lensing, accounting for all the relativistic effects due to the scalar, vector, and tensor perturbations at the linear…