Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-01-24
Mod.Phys.Lett.A24:25-40,2009
Physics
High Energy Physics
High Energy Physics - Theory
17 pages, main section improved, change in title, reference and acknowledgement added
Scientific paper
10.1142/S0217732309028746
The dimensional reduction of the E8 gauge theory in eleven dimensions leads to a loop bundle in ten dimensional type IA string theory. We show that the restriction to the Neveu-Schwarz sector leads naturally to a sigma model with target space E8 with the ten-dimensional spacetime as the source. The corresponding bundle has a structure group the group of based loops, whose classifying space we study. We explore some consequences of this proposal such as possible Lagrangians and existence of flat connections.
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