Cosmology Seminar

Degenerate Higher Order Scalar Tensor theories beyond Horndeski

Tuesday, 31 January 2017 02:00PM PST
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Cosmology Seminar

David Langlois
APC, Paris

Degenerate Higher Order Scalar Tensor theories beyond Horndeski

Jan 31, 2017 at 2:00pm in P8445.2

Synopsis

This seminar will present scalar tensor theories whose Lagrangian contains second order derivatives of a scalar field and which propagate only one scalar mode, in addition to the two tensor modes. These theories encompass and extend the so-called Horndeski theories. I will discuss some phenomenological aspects of these new theories.