Colliding branes and formation of spacetime singularities in superstring theory.

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dc.contributor.advisorWang, Anzhong.
dc.contributor.authorTziolas, Andreas Constantine.
dc.contributor.departmentPhysics.en
dc.contributor.otherBaylor University. Dept. of Physics.en
dc.date.accessioned2009-06-10T17:14:59Z
dc.date.available2009-06-10T17:14:59Z
dc.date.copyright2009-05
dc.date.issued2009-06-10T17:14:59Z
dc.descriptionIncludes bibliographical references (p. 141-147).en
dc.description.abstractA systematic study of space-times containing two timelike colliding branes is made, in the framework of 10-dimensional string theory. After developing the general formulas to describe such events, we study several classes of exact solutions and space-time singularities in both the (D+d)-dimensional string theory and its D-dimensional effective theory, obtained by Kaluza-Klein compactification. It is found that space-time singularities in the low dimensional effective theory may or may not remain after lifted to the (D+d)-dimensional string theory, depending on the specific solutions. In some cases, solutions of the low dimensional effective theory are free of singularities, but after they are lifted to string theory, the higher dimensional space-times become singular. Therefore, simply lifting low dimensional effective theories to high dimensions seemingly does not solve the singularity problem, and additional physical mechanisms are needed. In general however, the space-time is singular, due to the mutual focus of the two colliding branes. Non-singular cases also exist, but with the price that both of the colliding branes violate all the three energy conditions, weak, dominant, and strong.en
dc.description.degreePh.D.en
dc.description.statementofresponsibilityby Andreas Constantine Tziolas.en
dc.format.extentxvii, 147 p. : ill.en
dc.format.extent2583258 bytes
dc.format.extent852258 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2104/5334
dc.language.isoen_USen
dc.rightsBaylor University theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. Contact librarywebmaster@baylor.edu for inquiries about permission.en
dc.rights.accessrightsWorldwide accessen
dc.subjectBranes.en
dc.subjectSingularities (Mathematics)en
dc.subjectSpace and time.en
dc.subjectEinstein field equations.en
dc.subjectCosmology.en
dc.titleColliding branes and formation of spacetime singularities in superstring theory.en
dc.typeThesisen

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