Long-lived states of oscillator chains with dynamical traps I. A. Lubashevsky, R. Mahnke, M. Hajimahmoodzadeh and A. Katsnelson Eur. Phys. J. B, 44 1 (2005) 63-70 Published online: 16 April 2005 DOI: 10.1140/epjb/e2005-00100-1