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SUMMARY:The CMB as a Backlight - Alexander van Engelen (Arizona State Univ
 ersity)
DTSTART:20251103T130000Z
DTEND:20251103T140000Z
UID:TALK237439@talks.cam.ac.uk
CONTACT:Louis Legrand
DESCRIPTION:Over the last few decades\, we have learned a lot about the Un
 iverse in its infancy through dedicated observations of the cosmic microwa
 ve background (CMB).  Upcoming surveys will give us new information about 
 the evolution of structures between us and the CMB through nearly all of c
 osmic history.  I will focus on two methods\, namely gravitational lensing
  and various flavors of the Sunyaev-Zel'dovich effect\, highlighting some 
 of the opportunities and challenges.   Specifically\, and time-permitting\
 , I will discuss (a) a new method to measure the gravitational lensing of 
 the CMB on small scales\; (b) constraints on the evolution of matter using
  correlations between CMB lensing and the lensing of optical galaxies\; an
 d (c) the impact of extragalactic foreground emission on the CMB.\n
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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