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In this work, we have considered the DBI-essence dark energy model in FRWUniverse. We have found the exact solutions of potential, warped brane tensionand DBI scalar field. We also calculate the statefinder parameters for ourmodel that make it distinguishable among numerous dark energy models. Moreover,we establish correspondence between DBI-essence and modified Chaplygin gas(MCG) and hence reconstruct the potential and warped brane tension. By thisreconstruction, we observe that DBI scalar field and potential increase andwarped brane tension decreases during evolution of the Universe. Finally, weinvestigate the validity of the generalized second law (GSL) of thermodynamicsin the presence of DBI-essence and modified Chaplygin gas. It is observed thatthe GSL breaks down for DBI-essence model but GSL always satisfied for MCGmodel.

Correspondence between DBI-essence and Modified Chaplygin Gas and the Generalized Second Law of Thermodynamics