Spectral functions in QCD

@article{Schilcher1981SpectralFI,
  title={Spectral functions in QCD},
  author={Karl Schilcher and Minh D. Tran and Nasrallah F. Nasrallah},
  journal={Nuclear Physics},
  year={1981},
  volume={181},
  pages={91-104}
}
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32 Citations

32 Citations

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Two sum rules are derived, relating moments of the spectral functions of the vector and axial-vector currents. If it is assumed that the $\ensuremath{\rho}$ and $A1$ mesons dominate these moments,…
Spontaneous breaking of chiral symmetry in quantum chromodynamics
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An alternative is proposed to specific Lagrangian models of current algebra. In this alternative there are no explicit canonical fields, and operator products at the same point [say,…