58. Stability of de Sitter space: dS as a perfect interferometer

Let us now show that QFT of a massive scalar field in de Sitter space features instabilities if the number of dimensions is odd. (…)


55. Eternal inflation: stochastic approach 3 (Inflationary perturbations 7)

Last time we have found that dynamics of the inflaton field (more precisely, its expectation value w.r.t. to the distribution among different Hubble patches) is determined by the Langevin equation. (…)


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