Mathematical Picture Language Seminar: Equivalence Principle, De-Sitter Space, and Twistor Theory


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September 5, 2023 9:30 am - 10:30 am
Jefferson 453

Maciej Dunajski - University of Cambridge

I discuss the impact of the positive cosmological constant on the interplay between the equivalence principle in general relativity, and the rules of quantum mechanics. There is an ambiguity in the definition of a phase of a wave function measured by inertial and accelerating observes which is a non-relativistic analogue of the Unruh effect. This will be put in the framework of a non-relativistic limit of twistor space.