4 papers
Addressing leakage and mode suppression in angular power spectrum estimation for gravitational-wave backgrounds using pulsar timing arrays
Deepali Agarwal, Joseph D. Romano, Yacine Ali-Haïmoud +1
Mapping gravitational-wave background (GWB) anisotropy with pulsar timing arrays (PTAs) is affected by harmonic-space mode suppression and mode coupling arising from an array's non…
Impact of ACT DR6 and DESI DR2 for Early Dark Energy and the Hubble tension
Vivian Poulin, Tristan L. Smith, Rodrigo Calderón +1
The data release six of the Atacama Cosmology Telescope (ACT DR6) and the second data release from the Dark Energy Spectroscopic Instrument (DESI DR2) recently became available. In…
Predictions for new physics in the CMB damping tail
Tristan L. Smith, Nils Schöneberg
Ever since the Planck satellite measured the the cosmic microwave background (CMB) down to arcminute angular scales, the mismatch between the CMB-inferred value of the Hubble const…
Towards alleviating the and tensions with Early Dark Energy - Dark Matter drag
Théo Simon, Tal Adi, José Luis Bernal +3
Early dark energy, an additional component of dark energy active in the decade of redshift before recombination, has emerged as one of the most effective models at reducing the $H_…