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SUMMARY:Inflation with Weakly Broken Galileon symmetry
DTSTART:20151116T140000
DTEND:20151116T150000
DTSTAMP:20260924T095027Z
UID:96fc55ccf6603879faa51d1aecaa58a1c276bd262661f2a2eb9f919a
CATEGORIES:Conferences - Seminars
DESCRIPTION:Luca Santoni\nTheories with internal Galileon symmetry possess
  interesting theoretical and phenomenological properties\, which have been
  extensively studied. However\, once coupling to gravity is introduced\, t
 he symmetry can only be approximate and one may ask what happens to the fl
 at-space properties.\nIn the first part of the talk we discuss this topic\
 , introducing the notion of Weakly Broken Galileon (WBG) invariance\, whic
 h characterises the unique class of couplings of such theories to gravity 
 that maximally retain their defining symmetry.\nIn the second part\, we ap
 ply a generic theory with WBG symmetry to Cosmology\, concentrating in par
 ticular on Inflation: adopting an effective field theory point of view\, w
 e analyse the physical consequences and compare the predictions to the rec
 ent observational results.
LOCATION:Cubotron BSP 727 http://plan.epfl.ch/?room=BSP%20727
STATUS:CONFIRMED
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