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dc.identifier.urihttp://hdl.handle.net/11401/76645
dc.description.sponsorshipThis work is sponsored by the Stony Brook University Graduate School in compliance with the requirements for completion of degree.en_US
dc.formatMonograph
dc.format.mediumElectronic Resourceen_US
dc.language.isoen_US
dc.publisherThe Graduate School, Stony Brook University: Stony Brook, NY.
dc.typeDissertation
dcterms.abstractSupersymmetry is a very popular topic in recent high energy physics theories. Especially, in order to make sense of string theory, we have to impose supersymmetry. Superspace method is proven to be a very useful approach to supersymmetric theories by treating supersymme- try as part of the geometry. In this dissertation, we use superspace method to investigate superconformal field theory and string/brane theory. The first part of the dissertation, we rewrite semi-shortening con- ditions using superspace approach. The rewritten expression is co- variant under superconformal transformation. We found that all the known semi-shortening condition are part of the covariantized ones and can be generalized to weaker shortening conditions. We also give an example how one can find other constraints from the known ones, particularly in N = 4 SYM in projective superspace. The second part is focused on “F-theory†, a theory that has man- ifestly U-duality. It can be reduced to M-theory, manifestly T-dual version string theory, and ordinary string theory. The theory is for- mulated on coset space G/H where G is the U-duality group and H is the unbroken symmetry group. We modified coset space formalism to find a general algebra for the symmetry currents. And we give an explicit example on 10 dimensional F-theory which can reduce to 3D string theory.
dcterms.available2017-09-20T16:50:52Z
dcterms.contributorSiegel, Warrenen_US
dcterms.contributorTsybychev, Dmitrien_US
dcterms.contributorHerzog, Christopheren_US
dcterms.contributorKhuri, Marcus.en_US
dcterms.creatorJu, Chia-Yi
dcterms.dateAccepted2017-09-20T16:50:52Z
dcterms.dateSubmitted2017-09-20T16:50:52Z
dcterms.descriptionDepartment of Physicsen_US
dcterms.extent99 pg.en_US
dcterms.formatApplication/PDFen_US
dcterms.formatMonograph
dcterms.identifierhttp://hdl.handle.net/11401/76645
dcterms.issued2016-12-01
dcterms.languageen_US
dcterms.provenanceMade available in DSpace on 2017-09-20T16:50:52Z (GMT). No. of bitstreams: 1 Ju_grad.sunysb_0771E_12949.pdf: 652263 bytes, checksum: edb11b30397df6555e5eb5cc297fea35 (MD5) Previous issue date: 1en
dcterms.publisherThe Graduate School, Stony Brook University: Stony Brook, NY.
dcterms.subjectPhysics
dcterms.subjectF-theory, String Theory, Superconformal, Superspace, Supersymmetry
dcterms.titleSome Applications of Superspace
dcterms.typeDissertation


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