The dyon spectra of finite gauge theories

  title={The dyon spectra of finite gauge theories},
  author={Frank Ferrari},
It is shown that all the (p, q) dyon bound states exist and are unique in N = 4 and N = 2 with four massless flavours supersymmetric SU(2) Yang-Mills theories, where p and q are any relatively prime integers. The proof can be understood in the context of field theory alone, and does not rely on any duality assumption. We also give a general physical argument showing that these theories should have at least an exact Γ(2) duality symmetry, and then deduce in particular the existence of the (2p… CONTINUE READING
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