On ghost condensation, mass generation and Abelian dominance in the maximal Abelian gauge

@inproceedings{Dudal2003OnGC,
  title={On ghost condensation, mass generation and Abelian dominance in the maximal Abelian gauge},
  author={David Dudal and Henri Verschelde},
  year={2003}
}
Recent work claimed that the off-diagonal gluons (and ghosts) in pure Yang–Mills theories, with maximal Abelian gauge (MAG) fixing, attain a dynamical mass through an off-diagonal ghost condensate. This condensation takes place due to a quartic ghost interaction, unavoidably present in MAG for renormalizability purposes. The off-diagonal mass can be seen as evidence for Abelian dominance. We discuss why ghost condensation of the type discussed in those works cannot be the reason for the off… CONTINUE READING

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