LorentzIndexNames
LorentzIndexNames
is an option for FCFAConvert
, FCCanonicalizeDummyIndices
and other functions. It renames the generic dummy Lorentz indices to the indices in the supplied list.
See also
Overview, FCFAConvert, FCCanonicalizeDummyIndices, CartesianIndexNames.
Examples
LC[i1, i2, i3, i4] GA[i1, i2, i3, i4]
FCCanonicalizeDummyIndices[%]
γˉi1.γˉi2.γˉi3.γˉi4ϵˉi1i2i3i4
γˉFCGV(li191).γˉFCGV(li192).γˉFCGV(li193).γˉFCGV(li194)ϵˉFCGV(li191)FCGV(li192)FCGV(li193)FCGV(li194)
LC[i1, i2, i3, i4] GA[i1, i2, i3, i4]
FCCanonicalizeDummyIndices[%, LorentzIndexNames -> {mu, nu, rho, si}]
γˉi1.γˉi2.γˉi3.γˉi4ϵˉi1i2i3i4
γˉmu.γˉnu.γˉrho.γˉsiϵˉmunurhosi