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SUMMARY:Stochastic field theory applied to the formation of large-scale st
 ructure - Zvonimir Vlah (Cambridge/Ruder Bošković Institute)
DTSTART:20241014T120000Z
DTEND:20241014T130000Z
UID:TALK220906@talks.cam.ac.uk
CONTACT:Fiona McCarthy
DESCRIPTION:Describing and modelling stream/shell-crossing in dark matter 
 clustering is a long-lasting theoretical challenge in large-scale structur
 e formation. Current perturbative approaches\, based on effective field th
 eories\, address the issue by introducing free parameters (counterterms) t
 hat capture these non-linear effects on large scales. In the talk\, I will
  present a Lagrangian formalism that incorporates these effects from first
  principles\, offering a more fundamental perspective. I will discuss some
  of the recent results and explore future prospects and potential developm
 ent directions.
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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