2 citations · 2 across the 5 of their papers we have counts for
Showing gr-qcShow all
2 papers · 1 filter
gr-qc2026
Locality in effective field theory for inflationary soft modes
Takahiro Tanaka, Yuko Urakawa
The gradient expansion and the separate universe approach provide an effective description of inflationary soft modes after coarse-graining shorter-wavelength degrees of freedom. W…
gr-qc2026
Nonlinear Lattice Framework for Inflation: Bridging stochastic inflation and the formalism
Pankaj Saha, Yuichiro Tada, Yuko Urakawa
Understanding when inflationary perturbations become genuinely nonlinear near the horizon crossing requires methods that go beyond both linear perturbation theory and the gradient…