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advanced_tools:mass_insertion_approximation [2017/09/29 09:42] jakobadmin created |
advanced_tools:mass_insertion_approximation [2017/11/01 11:16] (current) jakobadmin ↷ Links adapted because of a move operation |
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- | Chirality is not well-defined for massive fields. A famous consequence of this fact are pion masses, which can be linked to [[symmetry_breaking:chiral_symmetry_breaking|Chiral Symmetry Breaking]]. | + | Chirality is not well-defined for massive fields. A famous consequence of this fact are pion masses, which can be linked to [[advanced_notions:symmetry_breaking:chiral_symmetry_breaking|Chiral Symmetry Breaking]]. |
In the Lagrangian, you can define left- and right-handed Weyl fermions independently. A mass term will mix these, giving a massive Dirac fermion. Weyl fermions fulfill either | In the Lagrangian, you can define left- and right-handed Weyl fermions independently. A mass term will mix these, giving a massive Dirac fermion. Weyl fermions fulfill either |