1/4 BPS String Junctions and $N^3$ Problem in 6-dim (2,0) Superconformal Theories

Details 1/4 BPS String Junctions and $N^3$ Problem in 6-dim (2,0) Superconformal Theories 1/4 BPS String Junctions and $N^3$ Problem in 6-dim (2,0) Superconformal Theories

2011-05-25

arxiv.org/abs/1105.5073v2

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, 8 figures, jhep-style, references added

Scientific paper

We explore 1/4 BPS objects in the Coulomb phase of the ADE-type 6-dim (2,0) superconformal theories. By using the previous work on the junctions of strings in 5-dim gauge theories and 6-dim superconformal theories, we count the number of 1/4 BPS objects, which are made of waves on selfdual strings and junctions of selfdual strings and show that for all cases the number matches exactly one third of the anomaly constant $c_G=d_G h_G$ which is the product of dimension $d_G$ and dual Coxeter number $h_G$. This suggests the long sought after $N^3$ degrees of freedom are these 1/4 BPS objects at least in the Coulomb phase.

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