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CATEGORIES:Isaac Newton Institute Seminar Series
SUMMARY:Exceptional Flux Compactifications - Guarino\, A (
 Rijksuniversiteit Groningen)
DTSTART;TZID=Europe/London:20120628T171500
DTEND;TZID=Europe/London:20120628T173000
UID:TALK38739AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/38739
DESCRIPTION:In the last decade\, a framework in which string d
 ualities are implemented at the supergravity level
  has been developed\, i.e.\, the so-called embeddi
 ng tensor formalism. However\, the connection betw
 een this formalism and string theory realisations 
 remains still obscure since most of the supergravi
 ties obtained by using the embedding tensor formal
 ism correspond to very exotic (non-)geometries in 
 the string side. \n\nIn this talk we consider type
  II flux backgrounds compatible with the absence o
 f brane sources\, and construct their explicit emb
 edding into maximal D=4 supergravity. This enables
  us to investigate the critical points\, mass spec
 tra and gauge groups of such "exceptional" backgro
 unds in a systematic way. We will chart the landsc
 ape of vacua in some specific setups which are rel
 evant from the string theory viewpoint and discuss
  the issues of stability and supersymmetry at thos
 e vacuum solutions. Finally we will point towards 
 some natural extensions of the results.\n\n
LOCATION:Seminar Room 2\, Newton Institute Gatehouse
CONTACT:Mustapha Amrani
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