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Cosmology Seminar
Degenerate Higher Order Scalar Tensor theories beyond Horndeski
Tuesday, 31 January 2017 12:00PM PST
David Langlois
APC, Paris
Degenerate Higher Order Scalar Tensor theories beyond Horndeski
Jan 31, 2017 at 12PM
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.