Analytic pseudo-Goldstone bosons

@article{Argurio2015AnalyticPB,
  title={Analytic pseudo-Goldstone bosons},
  author={Riccardo Argurio and Andrea Marzolla and Andrea Mezzalira and Daniele Musso},
  journal={Journal of High Energy Physics},
  year={2015},
  volume={2016},
  pages={1-20}
}
A bstractWe consider the interplay between explicit and spontaneous symmetry breaking in strongly coupled field theories. Some well-known statements, such as the Gell-Mann-Oakes-Renner relation, descend directly from the Ward identities and have thus a general relevance. Such Ward identities are recovered in gauge/gravity dual setups through holographic renormalization. In a simple paradigmatic three dimensional toy-model, we find analytic expressions for the two-point correlators which match… 
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