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Journées de physique mathématique de Lyon
7 – 9 juin 2017
QUANTUM FIELD THEORY IN DE SITTER SPACETIME
by
Stefan Hollands
Lecture 1
DeSitter basics : different coordinate patches, horizons, . . . ; propagators for free scalar field in
deSitter spacetime.
Lecture 2
Wick rotation ; cosmic no hair theorem for propagators ; Unruh effect ; Feynman rules for interacting quantum field theories in deSitter spacetime, loop integrals (time permitting).
Lecture 3
Basics of entanglement ; entanglement across deSitter horizons ; speculative ideas.
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