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SUMMARY:Minimal theory of quasidilaton massive gravity
DTSTART:20171010T140000
DTEND:20171010T150000
DTSTAMP:20260924T082728Z
UID:33e9c01a9acc759651b0e174543f6bbc34d2dfeaa07a716f095edb9e
CATEGORIES:Conferences - Seminars
DESCRIPTION:Michele Oliosi (Kyoto University\, Yukawa Institute Kyoto)\nIn
  recent years\, massive gravity theories have undergone a regain of intere
 st after the development of ghost-free massive gravity (dRGT). One avenu
 e that has been explored in order to make ghost-free massive gravity mor
 e interesting for cosmology\, is the removal of dynamical degrees of freed
 om at Hamiltonian level\, leading to the Minimal theory of massive gravity
  (MTMG). In this short talk I will briefly present the procedure used to
  achieve a Minimal theory of quasidilaton massive gravity. This theory is 
 a small extension of the MTMG in which we add a quasidilaton-like scalar f
 ield\, in a way that preserves the quasidilaton symmetry. I will then disc
 uss some of the challenges and lessons learnt in constructing the theory 
 and expose its good behavior at cosmological level\, in particular showing
  that there are stable self-accelerating de Sitter solutions
LOCATION:BSP 710
STATUS:CONFIRMED
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