Price's law from quasinormal modes

We show that Price’s power-law tail for perturbations of Schwarzschild, $t^{-2\mathrm{\ell }-3}$ as $t\to \mathrm{\infty }$, can be obtained from a sum of Schwarzschild-de Sitter quasinormal modes in the limit $\mathrm{\Lambda }\to 0^{+}$.