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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-4165
DTSTART:20160415T190000Z
DTEND:20160415T200000Z
DTSTAMP:20260419T094059Z
LAST-MODIFIED:20160413T192658Z
LOCATION:5280 Chamberlin Hall
SUMMARY:D6-branes\, axion monodromy inflation and moduli backreaction\
 , Theory Seminar (High Energy/Cosmology)\, Aitor Landete\, Instituto d
 e Fisica Teorica\, Madrid
DESCRIPTION:We develop new scenarios of large field inflation in type 
 IIA string compactifications in which the key ingredient is a D6-brane
  that generates a bilinear superpotential which couples the brane posi
 tion modulus to a Kahler modulus. This feature allows us to construct 
 two different models where the inflaton candidate could be the B-field
  axion or the D6-brane Wilson Line where all the remaining moduli are 
 stabilized supersymmetrically. The scalar potential has the multi-bran
 ched structure typical of F-term axion monodromy models and\, near its
  supersymmetric minima\, it is described by a 4d supergravity model of
  chaotic inflation with a stabilizer field. Finally we analyze the eff
 ects\, in our model\, of integrating out the relevant closed string mo
 duli consistently.
URL:https://www.physics.wisc.edu/events/?id=4165
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