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SUMMARY:Gravity with dynamical torsion: main properties and cosmological c
 onsequences
DTSTART:20181123T140000
DTEND:20181123T153000
DTSTAMP:20260414T181541Z
UID:d2aa44140a78852ce666affd446ea3510d2d7f53e2d1604a82ace0ca
CATEGORIES:Conferences - Seminars
DESCRIPTION:Vasilisa Nikiforova -- IHES (Bures-sur-Yvette\, France)\nI wi
 ll talk about the gravity with dynamical torsion. This gravity treats the 
 connection and vierbein as independent dynamical variables\, and the conne
 ction is capable of propagating due to the terms in the Lagrangian which a
 re quadratic in torsion and curvature. This model found to have a number o
 f remarkable properties which make it particularly interesting as a modifi
 cation of gravity in the infrared. Considered from the cosmological point 
 of view\, this model admits a self-accelerating solution without the expli
 cit cosmological term in the action. In my talk I will introduce the theor
 y\, tell about the various properties of the model under consideration\, p
 resent the self-accelerating solution together with the analysis of the st
 ability of linear perturbations about this solution. 
LOCATION:BSP 727 https://plan.epfl.ch/?room==BSP%20727
STATUS:CONFIRMED
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