We describe brane-world models which partially break supersymmetry from N = 2 to N = 1. The brane models we consider are embedded within a 4-dimensional N = 2 locally supersymmetric bulk-space. We devise the following models: a single-brane action, a single-antibrane action and a two-brane action. In these models the membrane linearly realises one supersymmetry of the bulk and spontaneously breaks the other. We also construct the action for a brane free bulk with a cosmological constant term. This model is different from the previous examples because both supersymmetries are broken. We also attempt to devise a brane-antibrane action. This model has the particular feature of breaking both supersymmetries of the bulk-space. Effects of this investigation on our understanding of the mechanism of partial supersymmetry breaking in brane-world scenarios will be discussed. In particular, the contribution to the cosmological constant via this mechanism will be examined. In order to construct such a model, we use the previous actions and the concepts developed throughout their construction. This investigation constitutes a firm foundation toward the construction of a successful brane-antibrane model.
| Identifer | oai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:QMM.79025 |
| Date | January 2002 |
| Creators | Larose-Filotas, Elise |
| Contributors | Burgess, C. P. (advisor) |
| Publisher | McGill University |
| Source Sets | Library and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada |
| Language | English |
| Detected Language | English |
| Type | Electronic Thesis or Dissertation |
| Format | application/pdf |
| Coverage | Master of Science (Department of Physics.) |
| Rights | All items in eScholarship@McGill are protected by copyright with all rights reserved unless otherwise indicated. |
| Relation | alephsysno: 001982856, proquestno: AAIMQ88240, Theses scanned by UMI/ProQuest. |
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