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Donghui Jeong (Penn State)

Date: Tue. April 4th, 2017, 11:00 am-12:00 pm
Location: Miller room

Non-linearities in large-scale structure: Induced gravitational waves, non-linear galaxy bias

I will present my recent work on non-linearities in large-scale structures of the Universe. For the first part, I will discuss the gauge dependence of the scalar-induced tensor perturbations and its implication on searching the primordial gravitational wave signature from the large-scale structure. For the second part of the talk, I will give a brief overview of the recent review on large-scale galaxy bias (Desjacques, Jeong & Schmidt, 1611.09787) that contains a complete expression for the perturbative bias expansion that must hold on large scales.

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