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SUMMARY:A Waving in the Dark with Warmth and Noise
DTSTART:20260604T100000Z
DTEND:20260604T113000Z
DTSTAMP:20260609T081900Z
UID:indico-event-2519@indico.ifae.es
DESCRIPTION:Speakers: Mustafa Amin\n\nCausality considerations imply that 
 cosmological fields produced in the early universe can naturally be both w
 arm and noisy\, possessing significant gradient and kinetic energy on smal
 l scales. I will discuss how these small-scale fluctuations manifest thems
 elves in cosmological and astrophysical observables through free-streaming
  suppression\, scale-dependent enhancement of density fluctuations\, and n
 ovel nonlinear phenomena such as copious soliton formation. These effects 
 can in turn be used to place bounds on the microscopic properties and prod
 uction mechanisms of otherwise dark fields. Depending on audience interest
 \, I will also sketch a broadly applicable framework based on field correl
 ators\, together with comparisons to fully nonlinear 3+1 dimensional numer
 ical simulations.\n\nhttps://indico.ifae.es/event/2519/
LOCATION:IFAE Seminar Room (In-Person)
URL:https://indico.ifae.es/event/2519/
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