Abstract
In this paper, we examine a class of special cases of a two-qubit system under time evolution, in the presence of local squeezed reservoirs, we report some results related to the occurrence of so-called entanglement sudden death (ESD) of two cases of the class, which are initially entangled In addition, we calculate the information entropies, the purity and the single-atom entropy squeezing of the bipartite system. Finally, we discuss the effects of the local squeezed vacuum fields on the entanglement and other applications of the bipartite system. (C) 2010 Elsevier B V All rights reserved.