SPECIAL ISSUE: Proceedings of the Conference on Particle Physics, Astrophysics and Quantum Field Theory: 75 Years since Solvay Nanyang Executive Centre, Singapore, 27–29 November 2008; Editors: A. H. Chan and B. E. Baaquie (National University of Singapore), N. P. Chang (City University of New York), C. H. Oh (National University of Singapore), K. K. Phua (IAS, Nanyang Technological University)No Access
NONCOMMUTATIVE D-BRANE WORLD, BLACK HOLES AND EXTRA DIMENSIONS
https://doi.org/10.1142/S0217751X09047211Cited by:7 (Source: Crossref)
Abstract
Inspired by the space-time noncommutativity on a D5-brane world, in a type IIB string theory, we explore the possibility of an emergent 4D ordinary space-time in the formalism. In particular, a curved D3-brane dynamics is worked out to obtain an axially symmetric and a spherically symmetric AdS and dS black holes. Extremal geometries are analyzed, using the noncommutative scaling. The emerging two dimensional semi-classical black holes are investigated to yield evidence for extra dimensions in the curved brane-world. Interestingly, a tunneling between dS to AdS vacua in the formalism is briefly discussed by incorporating the Hagedorn transitions in string theory.
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