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OnderzoekVan Swinderen Institute

Lunch seminar Marco Crisostomi

When:Tu 26-04-2016 12:30 - 13:30
Where:5111.0135

Speaker:

´╗┐Marco Crisostomi

Affiliation:

´╗┐University of Portsmouth, UK

Title:

Extended Scalar-Tensor Theories of Gravity

Abstract:

In this talk I will present a general class of scalar-tensor theories that, even if characterised by higher order field equations, do not propagate extra dangerous degrees of freedom. The existence of a primary constraint indeed assures the absence of the Ostrogradsky mode. Moreover, I’ll discuss the connection with Horndeski theory or Lorentz breaking second order ones.