Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-12-07
Phys.Rev. D64 (2001) 046011
Physics
High Energy Physics
High Energy Physics - Theory
25 pages, 13 figures, LaTeX
Scientific paper
10.1103/PhysRevD.64.046011
In this paper we present simplifying techniques which allow one to compute the quiver diagrams for various D-branes at (non-Abelian) orbifold singularities with and without discrete torsion. The main idea behind the construction is to take the orbifold of an orbifold. Many interesting discrete groups fit into an exact sequence $N\to G\to G/N$. As such, the orbifold $M/G$ is easier to compute as $(M/N)/(G/N)$ and we present graphical rules which allow fast computation given the $M/N$ quiver.
Berenstein David
Jejjala Vishnu
Leigh Robert G.
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