MTLRD[p,mu,n,nb]
denotes the perpendicular component in the lightcone decomposition of the metric tensor along the vectors n
and nb
in dimensions. It corresponds to .
If one omits n
and nb
, the program will use default vectors specified via $FCDefaultLightconeVectorN
and $FCDefaultLightconeVectorNB
.
Overview, Pair, FVLND, FVLPD, SPLPD, SPLND, SPLRD, MTLPD, MTLND.
[\[Mu], \[Nu], n, nb] MTLRD
[\[Mu], \[Nu], n, nb] // FCI // StandardForm
MTLRD
(*Pair[LightConePerpendicularComponent[LorentzIndex[\[Mu], D], Momentum[n, D], Momentum[nb, D]], LightConePerpendicularComponent[LorentzIndex[\[Nu], D], Momentum[n, D], Momentum[nb, D]]]*)
[\[Mu], \[Nu], n, nb] FVD[p, \[Mu]] // Contract MTLRD
[\[Mu], \[Nu], n, nb] FVLPD[q, \[Mu], n, nb] // Contract MTLRD