Infrared surprises in the de Sitter universe
classification
✦ hep-th
keywords
sitterminkowskianconstantcosmologicalcounterpartsdescribedifferentessentially
read the original abstract
We describe a few unexpected features of de Sitter Quantum Field Theory that have no Minkowskian counterparts. These phenomena show that even when the cosmological constant is tiny a Minkowskian way of fast thinking about de Sitter can lead to mistakes and that de Sitter QFT is essentially different from standard relativistic (Minkowskian) QFT.
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