Bödeker D, Sangel M. Lepton asymmetry rate from quantum field theory: NLO in the hierarchical limit. Journal of Cosmology and Astroparticle Physics. 2017;2017(6): 52.
Bödeker D, Sangel M. Order g(2) susceptibilities in the symmetric phase of the Standard Model. Journal of Cosmology and Astroparticle Physics. 2015;2015(4):040.