triqs.gf.gf.Gf.tau_L2_norm

Gf.tau_L2_norm(*args, **kw)

Signature : (gf_view<dlr,scalar_valued> g) -> auto Calculate the L2 norm of the DLR Green’s function in imaginary time: 1/beta * int_0^beta dt conj(g(t)) g(t). Calculates the norm individually for each set of target indices and each block.