Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2010-02-17
Commun.Num.Theor.Phys. 4 (2010) 295-364
Physics
High Energy Physics
High Energy Physics - Theory
51 pages, 4 figures
Scientific paper
A systematic analysis of the genus two vacuum amplitudes of chiral self-dual conformal field theories is performed. It is explained that the existence of a modular invariant genus two partition function implies infinitely many relations among the structure constants of the theory. All of these relations are shown to be a consequence of the associativity of the OPE, as well as the modular covariance properties of the torus one-point functions. Using these techniques we prove that for the proposed extremal conformal field theories at c=24k a consistent genus two vacuum amplitude exists for all k, but that this does not actually check the consistency of these theories beyond what is already testable at genus one.
Gaberdiel Matthias R.
Keller Christoph A.
Volpato Roberto
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