English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

Persisting tensions between the cosmological constraints derived fromlow-redshift probes and the ones obtained from temperature and polarisationanisotropies of the Cosmic Microwave Background -- although not yet providingcompelling evidence against the $\Lambda $CDM model -- seem to consistentlyindicate a slower growth of density perturbations as compared to thepredictions of the standard cosmological scenario. Such behavior is not easilyaccommodated by the simplest extensions of General Relativity, such as f(R)models, which generically predict an enhanced growth rate. In the present workwe present the outcomes of a suite of large N-body simulations carried out inthe context of a cosmological model featuring a non-vanishing scattering crosssection between the dark matter and the dark energy fields, for two differentparameterisations of the dark energy equation of state. Our results indicatethat these Dark Scattering models have very mild effects on many observablesrelated to large-scale structures formation and evolution, while providing asignificant suppression of the amplitude of linear density perturbations andthe abundance of massive clusters. Our simulations therefore confirm that thesemodels offer a promising route to alleviate existing tensions betweenlow-redshift measurements and those of the CMB.

Structure formation simulations with momentum exchange: alleviating tensions between high-redshift and low-redshift cosmological probes