the modified chaplygin gas and dark degeneracy with phantom model

In this paper we consider two known models of dark energy and make dark degeneracy. the first one is modified generalized chaplygin gas,and the second one is phantom model. the dark degeneracy leads us to obtain the explicit form of the creation rate. by using the matter density with respect to the rate of dark matter, we define the rate of dark matter creation. in that case, we consider the modified generalized chaplygin gas (mgcg), and calculate the creation rate and adiabatic sound speed. also, we introduce the phantom model and split the corresponding field into components. we write the klein-gordon equation and obtain the potential and h in terms of the creation rate.