Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-11-09
JHEP 0204 (2002) 006
Physics
High Energy Physics
High Energy Physics - Theory
22 pages, 3 figures, typos caught and refs added; expanded interpretation of discrete torsion
Scientific paper
10.1088/1126-6708/2002/04/006
We argue that the worldvolume theories of D-branes probing orbifolds with discrete torsion develop, in the large quiver limit, new non-commutative directions. This provides an explicit `deconstruction' of a wide class of noncommutative theories. This also provides insight into the physical meaning of discrete torsion and its relation to the T-dual B field. We demonstrate that the strict large quiver limit reproduces the matrix theory construction of higher-dimensional D-branes, and argue that finite `fuzzy moose' theories provide novel regularizations of non-commutative theories and explicit string theory realizations of gauge theories on fuzzy tori. We also comment briefly on the relation to NCOS, (2,0) and little string theories.
Adams Allan
Fabinger Michal
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