Beltran, J. [UNESP]Maia, N. T. [UNESP]Pimentel, B. M. [UNESP]2018-12-112018-12-112018-04-10International Journal of Modern Physics A, v. 33, n. 10, 2018.0217-751Xhttp://hdl.handle.net/11449/176191Scalar Quantum Electrodynamics is investigated in the Heisenberg picture via the Duffin-Kemmer-Petiau gauge theory. On this framework, a perturbative method is used to compute the vacuum polarization tensor and its corresponding induced current for the case of a charged scalar field in the presence of an external electromagnetic field. Charge renormalization is brought into discussion for the interpretation of the results for the vacuum polarization.engDuffin-Kemmer-Petiau equationGunnar KällénHeisenberg pictureScalar quantum electrodynamicsvacuum polarizationArtigo10.1142/S0217751X18500598Acesso restrito2-s2.0-85045504784