34th Chris Engelbrecht Summer School & 8th Mandelstam Theoretical Physics (MITP) School and Workshop on 'Large N and the Emergence of Holography'

QFT in dS: The basics - Tarek Anous (Queen Mary University London, UK)

12 Jan 2026, 14:00

1h

Seminar Room (NITheCS, Merensky Building,Stellenbosch University)

Speaker

Tarek Anous (Queen Mary University London, UK)

Description

In this lecture we will introduce basic facts about QFT in de Sitter, highlighting the main differences with its flat-space counterpart. We will start by discussing the geometry of dS, its isometries, and the admissible particle representations. We will also discuss the maximally analytic vacuum of any interacting QFT: the Bunch Davies state.