MetricTensor

Description

MetricTensor[μ,  ν] is the metric tensor. The default dimension is 4.

See also:  FeynCalcExternal, FCE, FCI, MT, MTD.

Examples

MetricTensor[α, β]

Contract[% %]

MetricTensor[α, β, Dimension -> n]

Contract[% %]

StandardForm[MetricTensor[a, b]]

StandardForm[MetricTensor[a, b, Dimension -> D]]

StandardForm[FCE[MetricTensor[a, b]]]

StandardForm[FCE[MetricTensor[a, b, Dimension -> D]]]