Abstract
We 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 all the quantum field theoretical expectations. Moreover, we have access to the full spectrum, which is reminiscent of linear confinement.
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ArXiv ePrint: 1512.03750
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Argurio, R., Marzolla, A., Mezzalira, A. et al. Analytic pseudo-Goldstone bosons. J. High Energ. Phys. 2016, 12 (2016). https://doi.org/10.1007/JHEP03(2016)012
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DOI: https://doi.org/10.1007/JHEP03(2016)012