126 citations · 1.4k across the 40 of their papers we have counts for
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hep-th2011★ 20 cited
Influence of gauge artifact on adiabatic and entropy perturbations during inflation
Yuko Urakawa
In recent publications we proposed one way to calculate gauge-invariant variables in the local observable universe, which is limited to a portion of the whole universe. To provide…
astro-ph.CO2011★ 126 cited
Dominance of gauge artifact in the consistency relation for the primordial bispectrum
Takahiro Tanaka, Yuko Urakawa
The conventional cosmological perturbation theory has been performed under the assumption that we know the whole spatial region of the universe with infinite volume. This is, howev…