Abstract
In this paper, we solve the Duffin–Kemmer–Petiau (DKP) equation in the presence of hyperbolic tangent potential for spin-one particles. By partitioning the spin-one spinor, we show that the DKP equation is equivalent to the Klein–Gordon equation formalism. The scattering solutions are derived in terms of hypergeometric functions. The reflection [Formula: see text] and transmission [Formula: see text] coefficients are calculated in terms of the Gamma functions. The results show the presence of the superradiance phenomenon when [Formula: see text] for a specific region in the potential becomes greater than one.
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