Modified scalar product for the effective range approach: the molecular contribution

Ludovic Pricoupenko (1)

1 LPTMC - Laboratoire de Physique Théorique de la Matière Condensée

The modified scalar product which permits to restore the self-adjoint character of the effective range approach is derived for one-channel contact models where a more general internal structure is included. In the case of the effective range approach, the modified scalar product is interpreted in the light of a generic two-channel model for a narrow Feshbach resonance as a way to take into account implicitly the molecular contribution of the closed channel.

Mots clés: Feshbach resonance; zero-range model; effective range approach; two-channel model

Domaines: Physique Quantique [quant-ph]; Gaz Quantiques [cond-mat.quant-gas]

Ludovic Pricoupenko. Modified scalar product for the effective range approach: the molecular contribution. 2011. ⟨hal-00634802⟩