In (2,3) ISS , Dirac matrix linking Right Handed and sterile states is not diagonal,but the expression of neutrino mass has its inverse term,How?

Actually,I am trying to plot relic abundance of warm dark matter in (2,3)ISS in mathematica 10 and having this problem.I need to diagonalize this heavy Dirac matrix inking Right Handed and sterile...

01 January 1970 812 1 View