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SUMMARY:Black holes in higer order scalar tensor theories
DTSTART;VALUE=DATE-TIME:20150108T133000Z
DTEND;VALUE=DATE-TIME:20150108T143000Z
DTSTAMP;VALUE=DATE-TIME:20200706T082008Z
UID:indico-event-686@indico.math.cnrs.fr
DESCRIPTION:\nWe will review modified gravity theories and in particular s
calar tensor theories\, where we have an additional scalar field coupling
to the metric tensor. By means of a theorem given by Horndeski back in 197
4 we will briefly discuss the most general of these theories. We will exam
ine a particular sub-class of Horndeski theory which has interesting prope
rties with respect to the cosmological constant problem. We will then find
black hole solutions of this subclass which in some cases will be identic
al to GR solutions. The novel ingredient will be the presence of a time an
d space dependent scalar field. As we will see time dependence and higher
order Galileon terms will bifurcate no hair theorems and provide scalar te
nsor black holes with a non trivial scalar field.\n\nhttps://indico.math.c
nrs.fr/event/686/
LOCATION:IHES Amphithéâtre Léon Motchane
URL:https://indico.math.cnrs.fr/event/686/
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