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SUMMARY:Cosmological hydrodynamical simulations of modified gravity models
  - Ewald Puchwein (KICC)
DTSTART:20131104T130000Z
DTEND:20131104T140000Z
UID:TALK47674@talks.cam.ac.uk
CONTACT:33215
DESCRIPTION:Modified gravity models not only provide an alternative explan
 ation of the accelerated expansion of the Universe\, but also have scale-d
 ependent effects on gravity and structure formation. Detailed predictions 
 deep in the nonlinear regime are required for a faithful comparison of suc
 h models to observations. They can be obtained from cosmological simulatio
 ns that account for the modifications of gravity. We will present a new co
 de that is well suited for this purpose\, as well as discuss first science
  applications. In particular\, we have investigated degeneracies of modifi
 ed gravity effects in chameleon type f{R}-models with uncertainties in the
  baryonic physics. Understanding them will be of critical importance for s
 uccessfully detecting or reliably ruling out modified gravity models with 
 upcoming surveys.
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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