TY - JOUR AU - Heiliger, Christian AU - Czerner, M AU - Yavorsky, B AU - Mertig, I AU - Stiles, Mark C2 - Journal of Applied Physics DA - 2007-01-01 LA - en PB - Journal of Applied Physics PY - 2007 TI - Implementation of a Non-Equilibrium Green's Function Method to Calculate Spin Transfer Torque ER -