TemporalPair[ExplicitLorentzIndex[0], TemporalMomentum[p]]
is a special pairing used in the internal representation to denote , the temporal component of a 4-momentum .
Overview, TemporalPair, TC, ExplicitLorentzIndex.
[ExplicitLorentzIndex[0], TemporalMomentum[p]] TemporalPair
[ExplicitLorentzIndex[0], TemporalMomentum[p + q]]
TemporalPair
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