Doorway states in flexural oscillations J. C. Torres-Guzmán, A. Díaz-de-Anda, J. Flores, G. Monsivais, L. Gutiérrez and A. Morales EPL, 114 5 (2016) 54001 Published online: 28 June 2016 DOI: 10.1209/0295-5075/114/54001