Delay times in chaotic quantum systems A.M. Martínez-Argüello, A.A. Fernández-Marín and M. Martínez-Mares Eur. Phys. J. Special Topics, 226 3 (2017) 519-527 Published online: 06 March 2017 DOI: 10.1140/epjst/e2016-60130-5