Perturbative approach to dynamical Casimir effect in an interface of dielectric mediums Vahid Ameri, Mohammad Eghbali-Arani and Morteza Soltani Eur. Phys. J. D, 70 12 (2016) 254 Published online: 01 December 2016 DOI: 10.1140/epjd/e2016-70333-0