中文摘要：

<正> The effect of stochastic dephasing on the dynamics of entanglement of qutrit-qutrit states is investigatedby using negativity and bound entanglement defined with realignment criterion.From the analysis,we find that the timeevolution of quantum free entanglement and bound entanglement depends on the Huctuations of the stochastic variablesand the parameters of the particular initial states of concern.Our results imply that some qutrits states display bothdistillability sudden death and entanglement sudden death,while some states do not display distillability sudden deathbut only entanglement sudden death.

英文摘要：

The effect of stochastic dephasing on the dynamics of entanglement of qutrit-qutrit states is investigated by using negativity and bound entanglement defined with realignment criterion, From the analysis, we, find that the time evolution of quantum free entanglement and bound entanglement depends on the fluctuations of the stochastic variables and the parameters of the particular initial states of concern. Our results imply that some qutrits states display both distillability sudden death and entanglement sudden death, while some states do not display distillability sudden death but only entanglement sudden death.