Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2006-03-08
JHEP0711:077,2007
Physics
High Energy Physics
High Energy Physics - Theory
23 pages, 1 figure
Scientific paper
10.1088/1126-6708/2007/11/077
The degeneracies of supersymmetric quarter BPS dyons in four dimensions and of spinning black holes in five dimensions in a CHL compactification are computed exactly using Borcherds lift. The Hodge anomaly in the construction has a physical interpretation as the contribution of a single M-theory Kaluza-Klein 6-brane in the 4d-5d lift. Using factorization, it is shown that the resulting formula has a natural interpretation as a two-loop partition function of left-moving heterotic string, consistent with the heuristic picture of dyons in the M-theory lift of string webs.
Dabholkar Atish
Nampuri Suresh
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