Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-11-14
Eur.Phys.J.C44:607-612,2005
Physics
High Energy Physics
High Energy Physics - Theory
8 pages, no figures. To appear in the European Physical Journal C
Scientific paper
10.1140/epjc/s2005-02395-5
There is a remarkable connection between the number of quantum states of conformal theories and the sequence of dimensions of Lie algebras. In this paper, we explore this connection by computing the asymptotic expansion of the elliptic genus and the microscopic entropy of black holes associated with (supersymmetric) sigma models. The new features of these results are the appearance of correct prefactors in the state density expansion and in the coefficient of the logarithmic correction to the entropy.
Abdalla M. C. B.
Bytsenko Andrei
Guimaraes Maria Emília X.
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