Physics
Scientific paper
Oct 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004jpha...3710445v&link_type=abstract
Journal of Physics A: Mathematical and General, Volume 37, Issue 43, pp. 10445-10458 (2004).
Physics
1
Scientific paper
In this paper, we investigate phenomenologically the possible effects of D-p-brane solitons within a quantum cosmological scenario, namely focusing on a N = 2 supersymmetric perspective. For this purpose, we consider a flat FRW model subject to a specific action for gravity and the dilaton. In particular, the coupling coefficient ω is now a function of d = p + 1, the dimension of the world volume swept by the p-brane in the physical space time. Other fields (such as n-form fields associated with the D-p-brane) are represented by a perfect fluid satisfying consistent physical conditions. Subsequently, we find the general form of the corresponding quantum states (wave function of the universe), identifying a subset of these solutions that satisfy the requirements of N = 2 supersymmetry. These solutions also satisfy the physical properties of a duality transformation present in the effective action.
Presented at the Proceedings of the International Conference on Supersymmetric Quantum Mechanics (PSQM03) 15 19 July 2003, University of Valladolid, Spain.
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