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Primordial Physics in the Nonlinear Universe: signatures of inflationary resonances, excitations, and scale dependence
Dhayaa Anbajagane, Hayden Lee
Primordial non-Gaussianities (PNGs) are imprints in the initial density field sourced by the dynamics of inflation. These dynamics can induce scale dependence, oscillations, and ot…
Primordial Physics in the Nonlinear Universe: mapping cosmological collider models to weak-lensing observables
Dhayaa Anbajagane, Hayden Lee
Primordial non-Gaussianities (PNGs) are features in the initial density field that provide a window into the nonlinear dynamics of particles during the inflationary epoch. Among th…
Primordial non-Gaussianities with weak lensing: Information on non-linear scales in the Ulagam full-sky simulations
Dhayaa Anbajagane, Chihway Chang, Hayden Lee +1
Primordial non-Gaussianities (PNGs) are signatures in the density field that encode particle physics processes from the inflationary epoch. Such signatures have been extensively st…
Synchronizing the Consistency Relation
Keisuke Inomata, Hayden Lee, Wayne Hu
We study the -point function of the density contrast to quadratic order in the squeezed limit during the matter-dominated (MD) and radiation-dominated (RD) eras in synchronous g…