Linear perturbations of type IIB SUGRA in flux compactifications

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dc.contributor.authorCownden, Bradley
dc.contributor.examiningcommitteeSouthern, Byron (Physics and Astronomy) Krepski, Derek (Mathematics)en_US
dc.contributor.supervisorFrey, Andrew (Physics and Astronomy)en_US
dc.date.accessioned2015-01-08T15:05:21Z
dc.date.available2015-01-08T15:05:21Z
dc.date.issued2015-01-08
dc.degree.disciplinePhysics and Astronomyen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractWe consider linear perturbations of the background type IIB SUGRA solutions and find the equations of motion for the moduli. In particular, we allow for spacetime fluctuations of the positions of D3-branes in the compact dimensions. We postulate an ansatz for the 5-form flux due to the motion of the D3-branes, and a corresponding first-order part of the metric. The movement of the D3-branes is then shown to affect the warp factor at linear order. Using the equations of motion for the D3-branes, the universal volume modulus, and the universal axion, we construct a second-order, effective action. Finally, based on the form of the effective action, we examine a Kahler potential for the moduli space.en_US
dc.description.noteFebruary 2015en_US
dc.identifier.urihttp://hdl.handle.net/1993/30168
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjectstring theoryen_US
dc.subjectD-branesen_US
dc.subjectKahler potential
dc.titleLinear perturbations of type IIB SUGRA in flux compactificationsen_US
dc.typemaster thesisen_US
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