Typically I understand that projection operators are defined as
P_-=\frac{1}{2}(1-\gamma^5)
P_+=\frac{1}{2}(1+\gamma^5)
where typically also the fifth gamma matrices are defined as
\gamma^5=i\gamma^0\gamma^1\gamma^2\gamma^3
and.. as we choose different representations the projection...
Typically I understand that projection operators are defined as
P_-=\frac{1}{2}(1-\gamma^5)
P_+=\frac{1}{2}(1+\gamma^5)
where typically also the fifth gamma matrices are defined as
\gamma^5=i\gamma^0\gamma^1\gamma^2\gamma^3
and.. as we choose different representations the projection...