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SUMMARY:Tensor modes on the string theory landscape - Westphal\, A (Deutsc
 hes Elektronen-Synchrotron)
DTSTART:20120627T102000Z
DTEND:20120627T105500Z
UID:TALK38706@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:We attempt an estimate for the distribution of the tensor mode
  fraction $r$ over the landscape of vacua in string theory. The dynamics o
 f eternal inflation and quantum tunneling lead to a kind of democracy on t
 he landscape\, providing no bias towards large-field or small-field inflat
 ion regardless of the class of measure. The tensor mode fraction then foll
 ows the number frequency distributions of inflationary mechanisms of strin
 g theory over the landscape. We show that an estimate of the relative numb
 er frequencies for small-field vs large-field inflation\, while unattainab
 le on the whole landscape\, may be within reach as a regional answer for w
 arped Calabi-Yau flux compactifications of type IIB string theory.\n
LOCATION:Seminar Room 1\, Newton Institute
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