Decay constants in AdS/QCD: a different approach
arXiv:1910.10922 · doi:10.1103/PhysRevD.101.046009
Abstract
The holographic recipe for the calculation of decay constants is revisited. Starting from the holographic 2-point function and using the fact that normalizable bulk modes scale as , with the spin, we can obtain a consistent expression that depends on the value of the mode at the boundary, not the derivative. We apply our decay constant expression to other AdS/QCD (static and dynamic) models proving its consistency. We also demonstrated that our approach is equivalent to the usual holographic prescription.
8 pages, 1 figure
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