Question: Show that the Matsubara Greens function is periodic, that is, for prove Use the cyclic property of traces (8.13.10), above. G(T T) = -i(T(az(t)a/(t)))T, k

Show that the Matsubara Green’s function is periodic, that is, forG(T T) = -i(T(az(t)a/(t)))T, k

prove

Use the cyclic property of traces (8.13.10), above.

G(T T) = -i(T(az(t)a/(t)))T, k

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