## RightPartialD

`RightPartialD[mu]` denotes $\partial _{\mu }$, acting to the right.

### See also

[Overview](Extra/FeynCalc.md), [ExpandPartialD](ExpandPartialD.md), [FCPartialD](FCPartialD.md), [LeftPartialD](LeftPartialD.md).

### Examples

```mathematica
RightPartialD[\[Mu]]
```

$$\vec{\partial }_{\mu }$$

```mathematica
RightPartialD[\[Mu]] . QuantumField[A, LorentzIndex[\[Mu]]] 
 
ex = ExpandPartialD[%]
```

$$\vec{\partial }_{\mu }.A_{\mu }$$

$$\left.(\partial _{\mu }A_{\mu }\right)$$

```mathematica
ex // StandardForm

(*QuantumField[FCPartialD[LorentzIndex[\[Mu]]], A, LorentzIndex[\[Mu]]]*)
```

```mathematica
RightPartialD[\[Mu]] // StandardForm

(*RightPartialD[LorentzIndex[\[Mu]]]*)
```