Time delay is a common feature of quantum scattering theory

Serge Richard (1) , Rafael Tiedra de Aldecoa (2)

1 PSPM - Probabilités, statistique, physique mathématique
2 Facultad de Matemáticas [Santiago de Chile]

We prove that the existence of time delay defined in terms of sojourn times, as well as its identity with Eisenbud-Wigner time delay, is a common feature of two-Hilbert spaces quantum scattering theory. All statements are model-independent.

Mots clés: Time delay; Scattering theory

Domaines: Physique mathématique [math-ph]

Serge Richard, Rafael Tiedra de Aldecoa. Time delay is a common feature of quantum scattering theory. Journal of Mathematical Analysis and Applications, 2011, 387 (2), pp.618-630. ⟨10.1016/j.jmaa.2011.09.021⟩. ⟨hal-00660881⟩