Virasoro Constraints and Flavor-Topology Duality in QCD

Details Virasoro Constraints and Flavor-Topology Duality in QCD Virasoro Constraints and Flavor-Topology Duality in QCD

2001-01-05

arxiv.org/abs/hep-th/0101035v2

Phys.Rev. D64 (2001) 054002

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, minor corrections

Scientific paper

10.1103/PhysRevD.64.054002

We derive Virasoro constraints for the zero momentum part of the QCD-like partition functions in the sector of topological charge $\nu$. The constraints depend on the topological charge only through the combination $N_f +\beta\nu/2$ where the value of the Dyson index $\beta$ is determined by the reality type of the fermions. This duality between flavor and topology is inherited by the small-mass expansion of the partition function and {\em all} spectral sum-rules of inverse powers of the eigenvalues of the Dirac operator. For the special case $\beta=2$ but arbitrary topological charge the Virasoro constraints are solved uniquely by a Generalized Kontsevich Model with potential ${\cal V}(X) = 1/X$.

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