New simulations show that cross-correlating gravitational wave background anisotropies with galaxy distributions can enable discovery at angular scales of 4-6 degrees with next-generation observatories.
Hydrogen Intensity and Real-Time Analysis Experiment: 256-element array status and overview
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Forecasts indicate SKA-Mid AA4 will measure the HI power spectrum at high significance from z~1 to z~3 near k~1 Mpc^{-1}, extending MeerKAT results to constrain HI galaxy properties and galaxy evolution.
Forecasts show that future 21 cm surveys can deliver moderate constraints on the scale-dependent growth index and HI bias in viable f(R) models.
citing papers explorer
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Prospects for multi-messenger discovery of the gravitational-wave background anisotropies via cross-correlation with galaxies
New simulations show that cross-correlating gravitational wave background anisotropies with galaxy distributions can enable discovery at angular scales of 4-6 degrees with next-generation observatories.
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Interferometric HI Intensity Mapping of the Late Time Universe with SKA-Mid
Forecasts indicate SKA-Mid AA4 will measure the HI power spectrum at high significance from z~1 to z~3 near k~1 Mpc^{-1}, extending MeerKAT results to constrain HI galaxy properties and galaxy evolution.
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Constraining Scale-Dependent Growth in $f(R)$ Gravity with Future 21 cm Surveys
Forecasts show that future 21 cm surveys can deliver moderate constraints on the scale-dependent growth index and HI bias in viable f(R) models.