3 papers
astro-ph.CO2019
Non-linear contributions to angular power spectra
Mona Jalilvand, Basundhara Ghosh, Elisabetta Majerotto +3
Future galaxy clustering surveys will probe small scales where non-linearities become important. Since the number of modes accessible on intermediate to small scales is very high,…
gr-qc2019
Cosmological Number Counts in Einstein and Jordan frames
Jérémie Francfort, Basundhara Ghosh, Ruth Durrer
Even though we know that physical observations are frame independent, the frame dependence of cosmological perturbations is relatively subtle and has led to confusion in the past.…
astro-ph.CO2018
The observable statistics
Basundhara Ghosh, Ruth Durrer
Recently Moradinezhad Dizgah & Durrer have shown that the statistics, useful to test theories of modified gravity, is plagued by additional scale and bias dependent lensing c…