i need help (Lagrangian; QED)


by khaled khairo
Tags: lagrangian
khaled khairo
khaled khairo is offline
#1
Jul6-12, 07:35 AM
P: 1
I have a problem, and i need help to solve it
i wanted to write the lagrangien quantum electrodynamicsin L= -(1/2g^2) Tr[A_mu ,A_nu]^2 the form of code in fortran but before it i wanted to count Tr[A_mu ,A_nu]^2
as we knowA_mu is metrix N by N
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