# A Phi-nth quantum scalar field theories where n is not integer

1. Sep 18, 2016

### spaghetti3451

Consider a quantum scalar field theory with interaction terms of the form $\phi^{n}$, where $n$ is not an integer.

Where are some examples of physical theories which involve such interaction terms?

Last edited: Sep 18, 2016
2. Sep 24, 2016