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Št. zadetkov: 8
Disconnected pseudo-C[sub]ℓ covariances for projected large-scale structure data
Carlos García-García, David Alonso, Emilio Bellini
Izvirni znanstveni članek
Oznake: cosmology;large-scale structure;power spectrum;galaxy surveys;
The disconnected part of the power spectrum covariance matrix (also known as the “Gaussian” covariance) is the dominant contribution on large scales for galaxy clustering and weak lensing datasets. The presence of a complicated sky mask causes non-trivial correlations between different Fourier/harmo ...
Leto: 2019 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Observational future of cosmological scalar-tensor theories
David Alonso, Emilio Bellini, Pedro G. Ferreira, Miguel Zumalacarregui
Izvirni znanstveni članek
Oznake: modified gravity;dark energy;cosmology;cosmological constraints;CMB;large-scale structure;
The next generation of surveys will greatly improve our knowledge of cosmological gravity. In this paper we focus on how Stage IV photometric redshift surveys, including weak lensing and multiple tracers of the matter distribution and radio experiments combined with measurements of the cosmic mic ...
Leto: 2017 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Sheer shear
Emilio Bellini, David Alonso, Shahab Joudaki, Ludovic Van Waerbeke
Izvirni znanstveni članek
Oznake: cosmology;large-scale structure of the Universe;data analysis;weak lensing;
3D data compression techniques can be used to determine the natural basis of radial eigenmodes that encode the maximum amount of information in a tomographic large-scale structure survey. We explore the potential of the Karhunen-Loève decomposition in reducing the dimensionality of the data vector f ...
Leto: 2019 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Cross-correlating radio continuum surveys and CMB lensing
David Alonso, Emilio Bellini, Catherine Hale, Matt J. Jarvis, Dominik J. Schwarz
Izvirni znanstveni članek
Oznake: cosmology;cosmological constraints;large-scale structure;radio surveys;CMB;
We measure the harmonic-space auto-power spectrum of the galaxy overdensity in the LOFAR Two-metre Sky Survey (LoTSS) first data release and its cross-correlation with the map of the lensing convergence of the cosmic microwave background (CMB) from the Planck collaboration. We report a ∼5σ detection ...
Leto: 2021 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Tomographic constraints on the production rate of gravitational waves from astrophysical sources
David Alonso, Mehraveh Nikjoo, Arianna I. Renzini, Emilio Bellini, Pedro G. Ferreira
Izvirni znanstveni članek
Oznake: cosmology;gravitational waves;galaxy surveys;cosmological constraints;
Using an optimal quadratic estimator, we measure the large-scale cross-correlation between maps of the stochastic gravitational-wave intensity, constructed from the first three LIGO-Virgo observing runs, and a suite of tomographic samples of galaxies covering the redshift range Leto: 2024 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
ǂThe ǂgrowth of density perturbations in the last [in relation] 10 billion years from tomographic large-scale structure data
Carlos García-García, Jaime Ruiz-Zapatero, David Alonso, Emilio Bellini, Pedro G. Ferreira, Eva-Maria Mueller, Andrina Nicola, Pilar Ruiz-Lapuente
Izvirni znanstveni članek
Oznake: cosmology;cosmological constraints;large-scale structure;
In order to investigate the origin of the ongoing tension between the amplitude of matter fluctuations measured by weak lensing experiments at low redshifts and the value inferred from the cosmic microwave background anisotropies, we reconstruct the evolution of this amplitude from z ∼ 2 using exist ...
Leto: 2021 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Paediatric invasive group A streptococcal infections and associations with viral infections in 15 European countries after lifting non-pharmaceutical interventions against SARS-CoV-2
Léa Lenglart, Izel Özmen, David Aguilera-Alonso, Daniel Blazquez-Gamero, Navin P. Boeddha, Emilie Pauline Buddingh, Danilo Buonsenso, Tina Plankar Srovin, Katarina Vincek, Marko Pokorn, Katja Seme, Ivana Velimirović
Izvirni znanstveni članek
Oznake: Streptococcus pyogenes;group A streptococcus;invasive streptococcal disease;outbreak;paediatrics;viral infections;viruses;influenza;flu;RSV;respiratory syncytial virus;VZV;varicella;immunity debt;non pharmaceutical interventions;
Background: After lifting non-pharmaceutical interventions (NPIs) against the transmission of SARS-CoV-2, various countries experienced an increase in invasive Group A Streptococcal (iGAS) infections. We aimed to characterise the paediatric outbreak across Europe and to analyse the influence of vira ...
Leto: 2025 Vir: Digitalni repozitorij raziskovalnih organizacij Slovenije
Electrodynamics in organic dimer insulators close to Mott critical point
Marko Pinterić, David Rivas Góngora, Željko Rapljenović, Tomislav Ivek, Matija Čulo, B. Korin-Hamzić, Ognjen Milat, Branko Gumhalter, Predrag Lazić, Miriam Sanz Alonso, Weiwu Li, Andrej Pustogow, Guilherme Gorgen Lesseux, Martin Dressel, Silvija Tomić
Izvirni znanstveni članek
Oznake: močno korelirani sistemi;Mottovi izolatorji;magnetne meritve;kvantne tekočine;dielektrične lastnosti;vibracije;teorija gostotnih funkcionalov;strongly correlated systems;Mott insulators;quantum spin liquid;dielectric properties;vibrational properties;density functional theory;
Electrodynamics in organic dimer insulators close to mott critical point
Leto: 2018 Vir: Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo (UM FGPA)
Št. zadetkov: 8
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