Name: Vladyslav Shtabovenko Date: 10/12/16-12:23:31 PM Z
Hi,
can you provide an explicit code example?
Cheers,
Vladyslav
Am 10.10.2016 um 19:26 schrieb Sam:
> I am trying to evaluate matrix elements separately for the
longitudinal and transverse polarizations of outgoing vectors, and this
requires contracting against two separate matrices of the polarization
sums. If I was evaluating the polarizations together, I would just do
Contract[<<>>], but that doesn’t work for what I want to do.
So my question is: how do I assign Lorentz indices to these matrices, or
otherwise contract these Lorentz tensors?
>
> Thanks for any help!
>