TY - JOUR T1 - Green’s function expansion of Electromagnetic field in the presence of a magneto-dielectric medium TT - بسط تابع گرین میدان الکترومغناطیسی در حضور مواد مگنتودی‌الکتریک JF - opsi JO - opsi VL - 21 IS - 0 UR - http://opsi.ir/article-1-513-en.html Y1 - 2015 SP - 317 EP - 320 KW - - energy KW - Green’s function KW - Path Integral KW - Susceptibility function N2 - Starting from a Lagrangian and using functional- integrals techniques, series expansions of Green function of electromagnetic field in the presence of magneto-dielectrics, are obtained. The parameter of expansion in this series is the magnetic and electric susceptibility of the medium. Non-relativistic Langevin type equation is derived. Series expansions for Free energy in finite temperature and for arbitrary matter distribution are derived. M3 ER -