14.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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28 papers · 2 filters
Testing Primordial Black Holes as Dark Matter through LISA
N. Bartolo, V. De Luca, G. Franciolini +3
The idea that primordial black holes (PBHs) can comprise most of the dark matter of the universe has recently reacquired a lot of momentum. Observational constraints, however, rule…
The Primordial Black Hole Dark Matter - LISA Serendipity
N. Bartolo, V. De Luca, G. Franciolini +3
There has recently been renewed interest in the possibility that the dark matter in the universe consists of primordial black holes (PBHs). Current observational constraints leave…
BAO reconstruction: a swift numerical action method for massive spectroscopic surveys
E. Sarpa, C. Schimd, E. Branchini +1
A new fully non-linear reconstruction algorithm for the accurate recovery of the Baryonic Acoustic Oscillations (BAO) scale in two-point correlation functions is proposed, based on…
K-mouflage Imprints on Cosmological Observables and Data Constraints
Giampaolo Benevento, Marco Raveri, Andrei Lazanu +4
We investigate cosmological constraints on K-mouflage models of modified gravity. We consider two scenarios: one where the background evolution is free to deviate from CDM (K-mo…
Measuring chiral gravitational waves in Chern-Simons gravity with CMB bispectra
Nicola Bartolo, Giorgio Orlando, Maresuke Shiraishi
Chern-Simons gravity coupled to the scalar sector through a generic coupling function can be tested at the very high energies of the inflationary period. In 1706.04627, we c…
Measuring the Energy Scale of Inflation with Large Scale Structures
Nicola Bellomo, Nicola Bartolo, Raul Jimenez +2
The determination of the inflationary energy scale represents one of the first step towards the understanding of the early Universe physics. The (very mild) non-Gaussian signals th…
GWLSS: Chasing the Progenitors of Merging Binary Black Holes
Giulio Scelfo, Nicola Bellomo, Alvise Raccanelli +2
Are the stellar-mass merging binary black holes, recently detected by their gravitational wave signal, of stellar or primordial origin? Answering this question will have profound i…
Search for sub-solar mass ultracompact binaries in Advanced LIGO's first observing run
B. P. Abbott, R. Abbott, T. D. Abbott +1135
We present the first Advanced LIGO and Advanced Virgo search for ultracompact binary systems with component masses between 0.2 - 1.0 using data taken between Se…
CMB spectroscopy at third-order in cosmological perturbations
Atsuhisa Ota, Nicola Bartolo
Early energy injection to the Cosmic Microwave Background (CMB) from dissipation of acoustic waves generates deviations from the blackbody spectrum not only at second-order but als…
Planck 2018 results. III. High Frequency Instrument data processing and frequency maps
Planck Collaboration, N. Aghanim, Y. Akrami +152
This paper presents the High Frequency Instrument (HFI) data processing procedures for the Planck 2018 release. Major improvements in mapmaking have been achieved since the previou…
Planck 2018 results. X. Constraints on inflation
Planck Collaboration, Y. Akrami, F. Arroja +173
We report on the implications for cosmic inflation of the 2018 Release of the Planck CMB anisotropy measurements. The results are fully consistent with the two previous Planck cosm…
Planck 2018 results. VIII. Gravitational lensing
Planck Collaboration, N. Aghanim, Y. Akrami +155
We present measurements of the cosmic microwave background (CMB) lensing potential using the final 2018 temperature and polarization data. We increase the signifi…
Planck 2018 results. IV. Diffuse component separation
Planck Collaboration, Y. Akrami, M. Ashdown +150
We present full-sky maps of the cosmic microwave background (CMB) and polarized synchrotron and thermal dust emission, derived from the third set of Planck frequency maps. These pr…
Planck 2018 results. II. Low Frequency Instrument data processing
Planck Collaboration, Y. Akrami, F. Argüeso +148
We present a final description of the data-processing pipeline for the Planck, Low Frequency Instrument (LFI), implemented for the 2018 data release. Several improvements have been…
Planck 2018 results. I. Overview and the cosmological legacy of Planck
Planck Collaboration, Y. Akrami, F. Arroja +188
The European Space Agency's Planck satellite, which was dedicated to studying the early Universe and its subsequent evolution, was launched on 14 May 2009. It scanned the microwave…
A standard siren measurement of the Hubble constant from GW170817 without the electromagnetic counterpart
M. Fishbach, R. Gray, I. Magaña Hernandez +316
We perform a statistical standard siren analysis of GW170817. Our analysis does not utilize knowledge of NGC 4993 as the unique host galaxy of the optical counterpart to GW170817.…
Isotropic non-Gaussian -like toy models that reproduce the cosmic microwave background anomalies
F. K. Hansen, T. Trombetti, N. Bartolo +4
Based on recent observations of the cosmic microwave background (CMB), claims of statistical anomalies in the properties of the CMB fluctuations have been made. Although the statis…
Probing non-Gaussian Stochastic Gravitational Wave Backgrounds with LISA
Nicola Bartolo, Valerie Domcke, Daniel G. Figueroa +7
The stochastic gravitational wave background (SGWB) contains a wealth of information on astrophysical and cosmological processes. A major challenge of upcoming years will be to ext…
Cosmic Degeneracies III: N-body Simulations of Interacting Dark Energy with Non-Gaussian Initial Conditions
M. Hashim, C. Giocoli, M. Baldi +2
We perform for the first time N-body simulations of Interacting Dark Energy assuming non-Gaussian initial conditions, with the aim of investigating possible degeneracies of these t…
The observed galaxy bispectrum from single-field inflation in the squeezed limit
Kazuya Koyama, Obinna Umeh, Roy Maartens +1
Using the consistency relation in Fourier space, we derive the observed galaxy bispectrum from single-field inflation in the squeezed limit, in which one of the three modes has a w…
Exploring compensated isocurvature perturbations with CMB spectral distortion anisotropies
Taku Haga, Keisuke Inomata, Atsuhisa Ota +1
We develop a linear perturbation theory for the spectral -distortions of the cosmic microwave background (CMB). The -distortions generated during the recombination epoch are…
Supergravity, -attractors and primordial non-Gaussianity
Nicola Bartolo, Domenico Matteo Bianco, Raul Jimenez +2
We compute in detail how deviations from Einstein gravity at the inflation energy scale could appear as non-Gaussian features in the sky. To illustrate this we use multi-field …
Structure formation beyond shell-crossing: nonperturbative expansions and late-time attractors
Massimo Pietroni
Structure formation in 1+1 dimensions is considered, with emphasis on the effects of shell-crossing. The breakdown of the perturbative expansion beyond shell-crossing is discussed,…
The two and three-loop matter bispectrum in perturbation theories
Andrei Lazanu, Michele Liguori
We evaluate for the first time the dark matter bispectrum of large-scale structure at two loops in the Standard Perturbation Theory and at three loops in the Renormalised Perturbat…