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SUMMARY:The First Half of the Universe: Evolving Moduli and Cosmic Superst
 ring Epochs - Joseph Conlon (Oxford U.)
DTSTART:20251027T130000Z
DTEND:20251027T140000Z
UID:TALK235924@talks.cam.ac.uk
CONTACT:Gonzalo Villa
DESCRIPTION:Between the epochs of inflation and nucleosynthesis — a peri
 od lasting approximately half the lifetime of the universe on a logarithmi
 c scale — the universe is almost entirely unconstrained. Not only may th
 e equation of state be very different from that of the Standard Cosmology\
 , the vacuum configuration may be far from our current vacuum. I describe 
 the string theory motivation and physics for a rolling modulus epoch here\
 , and explain how this can lead to an attractor solution in which 75% of t
 he energy density lies in the form of loops of fundamental strings. I brie
 fly discuss possible observational signatures of this epoch from relic gra
 vitational waves.\n
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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