Volume 39_2_(2018)_241-255

Expansion of the resolvent in a Feshbach model.
Raffaele Carlone, Domenico Finco

Abstract. In this paper we extend the results proved in [7] about Feshbach resonances in a multichannel Hamiltonian H, proving a low energy expansion of the resolvent (H-k2)-1 as k --> 0 in the resonant case.

Rend. Mat. Appl. (7) 39 (2018) 241-255;  pdf