MetricTensor[mu, nu]
is the metric tensor. The default dimension is .
The shortcut MetricTensor
is deprecated, please use MT
instead!
[\[Alpha], \[Beta]]
MetricTensor
[% %] Contract
[\[Alpha], \[Beta], Dimension -> D]
MetricTensor
[% %] Contract
StandardForm[MetricTensor[a, b]]
(*Pair[LorentzIndex[a], LorentzIndex[b]]*)
MetricTensor
is scheduled for removal in the future versions of FeynCalc. The safe alternative is to use MT
.
[\[Mu], \[Nu]] MT
[\[Mu], \[Nu]] MTD
[MT[\[Mu], \[Nu]]] === MetricTensor[\[Mu], \[Nu]]
FCI
[MTD[\[Mu], \[Nu]]] === MetricTensor[\[Mu], \[Nu], Dimension -> D] FCI