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9 July 2020 to 31 December 2021
Europe/Zurich timezone

Signals of a Quantum Universe

16 Sep 2020, 18:00
1h

Speaker

Prof. Daniel Green

Description

The idea that structure in the universe was created from quantum mechanical vacuum fluctuations during inflation is very compelling, but unproven. Testing this proposal is challenging because the universe we observe is effectively classical. I will explain the origin of this challenge and how it can be circumvented if we observe equilateral primordial non-Gaussianity. In particular, we will see that the absence of an accompanying folded non-Gaussian signal is only possible (assuming locality) with quantum vacuum fluctuations.

Presentation materials