LorentzToCartesian
LorentzToCartesian[exp]
rewrites Lorentz tensors in form of Cartesian tensors (when possible). Using options one can specify which types of tensors should be converted.
See also
Overview, CartesianToLorentz.
Examples
SPD[p, q]
% // LorentzToCartesian
p⋅q
p0q0−p⋅q
LC[\[Mu], \[Nu]][p, q]
% // LorentzToCartesian
ϵˉμνpq
gˉ0μgˉ$MU($20)ν(−ϵˉ$MU($20)pq)−gˉ$MU($20)μ(gˉ0ν(−ϵˉ$MU($20)pq)−gˉ$MU($21)ν(q0ϵˉ$MU($20)$MU($21)p−p0ϵˉ$MU($20)$MU($21)q))
GAD[\[Mu]]
% // LorentzToCartesian
γμ
γˉ0gˉ0μ−γ$MU($22)g$MU($22)μ