TY - JOUR T1 - q-entropies and the entanglement dynamics of two-qubits interacting with an environment JO - Brazilian Journal of Physics A1 - Hamadou-Ibrahim, A. A1 - Plastino, A. R. A1 - Plastino, A. SN - 0103-9733 UL - 10.1590/S0103-97332009000400010 VL - 39 Y1 - 2009 PB - Brasil ER -