The polytropic gas model is investigated as an interacting dark energyscenario. The cosmological implications of the model including the evolution ofEoS parameter $w_{\Lambda}$, energy density $\Omega_{\Lambda}$ and decelerationparameter $q$ are investigated. We show that, depending on the parameter ofmodel, the interacting polytropic gas can behave as a quintessence or phantomdark energy. In this model, the phantom divide is crossed from below to up. Theevolution of $q$ in the context of polytropic gas dark energy model representsthe decelerated phase at the early time and accelerated phase later. Thesingularity of this model is also discussed. Eventually, we establish thecorrespondence between interacting polytropic gas model with tachyon, K-essenceand dilaton scalar fields. The potential and the dynamics of these scalar fieldmodels are reconstructed according to the evolution of interacting polytropicgas.
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