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Charging the Conformal Window

Domenico Orlando, Susanne Reffert, Francesco Sannino

18/3/20 Published in : arXiv:2003.08396

We investigate the properties of near-conformal dynamics in a sector of large charge when approaching the lower boundary of the conformal window from the chirally broken phase. To elucidate our approach we use the time-honored example of the phenomenologically relevant SU(2) color theory featuring N_f Dirac fermions transforming in the fundamental representation of the gauge group. In the chirally broken phase we employ the effective pion Lagrangian featuring also a pseudo-dilaton to capture a possible smooth conformal-to-non-conformal phase transition. We charge the baryon symmetry of the Lagrangian and study its impact on the ground state and spectrum of the theory as well as the would-be conformal dimensions of the lowest large-charge operator. We moreover study the effects of and dependence on the fermion mass term.

Entire article

Phase I & II research project(s)

  • String Theory

Action-angle coordinates on coadjoint orbits and multiplicity free spaces from partial tropicalization

A Scattering Amplitude in Conformal Field Theory

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The National Centres of Competence in Research (NCCRs) are a funding scheme of the Swiss National Science Foundation

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