Mar 2 – 20, 2015
Nordita, Stockholm
Europe/Stockholm timezone

Towards the most general scalar-tensor theories of gravity

Mar 10, 2015, 4:00 PM
FB53 (Nordita, Stockholm)


Nordita, Stockholm


Dr Miguel ZUMALACARREGUI (ITP Heidelberg)


Horndeski's theory of gravity (the most general scalar-tensor theory with second-order equations of motion) has recently attracted considerable attention as a framework to study gravitation and cosmology. I will challenge the generality of Horndeski's theory as the most general, physically reasonable scalar-tensor theory by analyzing the simplest theory beyond Horndeski and its equations of motion. Theories beyond Horndeski have unique characeristics and represent a new class of scalar-tensor theories of gravity. If time permits, I will present new results on bigravity, regarding the implications of growing modes in the tensor sector for CMB observations

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