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SUMMARY:Measuring the distortion of time with large-scale structure - Cami
 lle Bonvin (University of Geneva)
DTSTART:20241118T130000Z
DTEND:20241118T140000Z
UID:TALK217558@talks.cam.ac.uk
CONTACT:Thomas Colas
DESCRIPTION:Large-scale structure surveys provide key information about th
 e content and geometry of our Universe. They typically measure the velocit
 y of galaxies and the Weyl potential\, through gravitational lensing. In t
 his talk\, I will show that these two quantities are not enough to test th
 e law of gravity and the properties of dark matter in a model-independent 
 way. However\, the coming generation of surveys will allow us to measure a
 n additional quantity\, the distortion of time\, through the effect of gra
 vitational redshift. I will present the methodology to detect this effect\
 , and I will discuss how it can be used to test gravity and dark matter.
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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