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THEORETICAL PHYSICS SEMINAR PDF E-mail


Surprising consequences of a positive cosmological constant




Speaker: Beatrice Bonga
Affiliation: Perimeter Institute, Waterloo
Date/Time: Thursday, November 22, 2018, 16:00




Abstract

The study of isolated systems has been vastly successful in the context of vanishing cosmological constant, Λ=0. However, there is no physically useful notion of asymptotics for the universe we inhabit with Λ > 0. The full non linear framework is still under development, but some interesting results at the linearized level have been obtained. I will focus on the conceptual subtleties that arise at the linearized level and discuss the quadrupole formula for gravitational radiation as well as some recent developments.

Venue: Ático, edificio Martha Muse
Event Type: Regular Seminar
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