Scalar quantum electrodynamics via Duffin-Kemmer-Petiau gauge theory in the Heisenberg picture: Vacuum polarization
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Data
2018-04-10
Autores
Beltran, J. [UNESP]
Maia, N. T. [UNESP]
Pimentel, B. M. [UNESP]
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Resumo
Scalar 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.
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Duffin-Kemmer-Petiau equation, Gunnar Källén, Heisenberg picture, Scalar quantum electrodynamics, vacuum polarization
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International Journal of Modern Physics A, v. 33, n. 10, 2018.