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Cosmological bootstrap and the analytic wavefunction

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If you have a question about this talk, please contact Dr Dong-Gang Wang.

Inflation is the leading paradigm for explaining the origin of primordial fluctuations which seeds the creation of galaxies. These primordial fluctuations are encoded in a cosmological wavefunction. In this talk I will discuss how to compute the wavefunction using the cosmological bootstrap, which is a series of constraints from fundamental physical principles. These include unitarity, which results in the cosmological optical theorem, as well as locality, which results in the manifest locality test. I will also discuss recent progress on understanding the analytic structure of the wavefunction, which paves the way to establishing positivity bounds for cosmology.

This talk is part of the Cosmology Lunch series.

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