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SUMMARY:Cosmology with Large-Scale Structure: Past\, Present\, and Future
DTSTART:20260602T193000Z
DTEND:20260602T203000Z
DTSTAMP:20260611T191600Z
UID:indico-event-10539@indico.slac.stanford.edu
DESCRIPTION:Speakers: Hironao Miyatake (Kobayashi-Maskawa Institute (KMI)\
 , Nagoya University)\n\nRecent advances in astronomical observations have 
 enabled increasingly precise measurements of the growth of large-scale str
 ucture (LSS): the cosmic web of galaxy clusters\, filaments\, and voids on
  scales larger than 10 Mpc. LSS provides a complementary probe to traditio
 nal cosmological observables\, such as the primary cosmic microwave backgr
 ound (CMB) and Type Ia supernovae. In this talk\, I will first review Stag
 e-III imaging surveys carried out in the 2010s\, which used weak gravitati
 onal lensing to constrain S8\, a cosmological parameter that characterizes
  the amplitude of matter fluctuations. I will place particular emphasis on
  results from the Japan-led Subaru Hyper Suprime-Cam Survey and on the pos
 sible tension between S8 constraints from weak lensing and those inferred 
 from the primary CMB. I will then introduce upcoming Stage-IV imaging surv
 eys\, including the Vera C. Rubin Observatory’s Legacy Survey of Space a
 nd Time (LSST)\, NASA’s Roman Space Telescope\, and ESA’s Euclid missi
 on. I will also discuss ongoing spectroscopic surveys\, such as the Dark E
 nergy Spectroscopic Instrument (DESI) and the Subaru Prime Focus Spectrogr
 aph (PFS)\, as well as recent indications of time-evolving dark energy. Fi
 nally\, I will describe how combined medium-band imaging and spectroscopic
  surveys can enable high-redshift LSS measurements\, providing new opportu
 nities to further test the concordance cosmological model and explore phys
 ics in the primordial Universe.\nhttps://stanford.zoom.us/j/98973156241?pw
 d=cEU5RFdlVXoyc0JTeTlDMkozKzQ5UT09\n\nhttps://indico.slac.stanford.edu/eve
 nt/10539/
LOCATION:51/3-305 - Kavli 3rd Floor (SLAC)
URL:https://indico.slac.stanford.edu/event/10539/
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