## QP

`QP` is an alias for `QuarkPropagator`.

`QP[p]` is the massless quark propagator.

`QP[{p,m}]` gives the  quark propagator with mass `m`.

### See also

[Overview](Extra/FeynCalc.md), [QuarkPropagator](QuarkPropagator.md).

### Examples