Phi cubed theory
= Phi cubed theory
{title2=$\phi^3$ theory}
Phi cubed theory has interaction $-g\phi^3/3!$, giving a cubic vertex $-ig$. In four spacetime dimensions the scalar field has mass dimension one and $g$ has mass dimension one.
= Phi cubed theory
{title2=$\phi^3$ theory}
Phi cubed theory has interaction $-g\phi^3/3!$, giving a cubic vertex $-ig$. In four spacetime dimensions the scalar field has mass dimension one and $g$ has mass dimension one.