Quantum and classical fields interacting with geometry, Paris

The Euclidean vacuum state for linearized gravity on de Sitter spacetime

Apr 9, 2024, 9:15 AM

55m

amphithéâtre Hermite (old building - bâtiment Borel)

Speaker

Christian Gérard (Université Paris-Saclay)

Description

We will explain the construction of the euclidean vacuum state for linearized gravity on de Sitter spacetime by a rigorous version of Wick rotation. We will discuss issues related to gauge invariance, positivity and invariance under de Sitter isometries.

Presentation materials

slides-de-Sitter.pdf