Time-varying neutrino mass from a supercooled phase transition: Current cosmological constraints and impact on the Ωm−σ8 plane

  title={Time-varying neutrino mass from a supercooled phase transition: Current cosmological constraints and impact on the 
  author={Ch. Lorenz and Lena Funcke and Erminia Calabrese and Steen Hannestad},
  journal={Physical Review D},
In this paper we investigate a time-varying neutrino mass model, motivated by the mild tension between cosmic microwave background (CMB) measurements of the matter fluctuations and those obtained from low-redshift data. We modify the minimal case of the model proposed by [G. Dvali and L. Funcke, Phys. Rev. D 93, 113002 (2016)] that predicts late neutrino mass generation in a postrecombination cosmic phase transition, by assuming that neutrino asymmetries allow for the presence of relic… 

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