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Brane fusion in the bosonic string and the emergence of fermionic strings.

Englert, F. and Houart, L. and Taormina, A. (2001) 'Brane fusion in the bosonic string and the emergence of fermionic strings.', Journal of high energy physics., 08 . 013.

Abstract

We review the emergence of the ten-dimensional fermionic closed string theories from subspaces of the Hilbert space of the 26-dimensional bosonic closed string theory compactified on an E8 × SO(16) lattice. They arise from a consistent truncation procedure which generates space-time fermions out of bosons. This procedure is extended to open string sectors. We prove that truncation of the unique tadpole-free SO(213) bosonic string theory compactified on the above lattice determines the anomaly free Chan-Paton group of the type-I theory and the consistent Chan-Paton groups of type-O theories. It also predicts the tension of space-filling D-branes in these fermionic theories. The derivation of these fermionic string properties from bosonic considerations alone points towards a dynamical origin of the truncation process. Space-time fermions and supersymmetries would then arise from bosonic degrees of freedom and no fermionic degrees of freedom would be needed in a fundamental theory of quantum gravity.

Item Type:Article
Keywords:Bosonic Strings, Superstrings, Heterotic Strings, D-branes.
Full text:Full text not available from this repository.
Publisher Web site:http://dx.doi.org/10.1088/1126-6708/2001/08/013
Record Created:23 Apr 2007
Last Modified:15 Sep 2010 17:00

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