Entanglement production in scattering of Gaussian wave packets from fixed localized impurities Ebrahim Ghanbari-Adivi, Morteza Soltani and Halimeh Ebtekarnasab Eur. Phys. J. D, 68 4 (2014) 103 Published online: 29 April 2014 DOI: 10.1140/epjd/e2014-40733-3