List of Articles Green's Function Open Access Article Abstract Page Full-Text 1 - Ab initio Calculation for Photocurrent in Silicon p-n Junction: the First-Order Perturbation Theory Majid Ghandchi Hossein Fazlalipour Open Access Article Abstract Page Full-Text 2 - Effects of Line Defect on Electronic Transport of Double Gate Armchair Graphene Nanoribbon Field Effect Transistors: a Simulation Study Mohammad Bagher Nasrollahnejad Parviz Keshavarzi‎ Open Access Article Abstract Page Full-Text 3 - Using Green's function in mathematical modeling of pollutant reduction in the environment Abbasali Shokri