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The interacting dark energy model with interaction term Q=₌H₌+₃H₃ is considered. By studying the model near the transition time, in which the system crosses the =-1 phantom divide line, the conditions needed to overcome the coincidence problem is investigated. The phantom model, as a candidate for dark energy, is considered, and for two specific examples, the quadratic and exponential phantom potentials, it is shown that it is possible the system crosses the =-1 line, meanwhile the coincidence problem is alleviated, the two facts that have root in observations.
Sadjadi et al. (Wed,) studied this question.