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We study the nonlinear effects of the clustering and smooth quintessence. Wepresent numerical and also approximate semi-analytical expressions of nonlinearpower spectrum both for clustering and smooth dark energy models beyond theBaryon Acoustic Oscillations (BAO) scale. This approximation is motivated bythe extension of the resummation method of Anselmi $\&$ Pietroni (J CosmolAstro-Part Phys 12:13, 2012. \url{arXiv:1205.2235}) for the dark energy modelswith evolving equation of state. The results of this scheme allow us for theprediction of the nonlinear power spectrum in the mildly nonlinear regime up tofew percentage accuracies compared to the other available tools to compute thenonlinear power spectrum for the evolving dark energy models.

Nonlinear power spectrum in clustering and smooth dark energy models beyond the BAO scale