Vacuum polarization of generalized quantum electrodynamics in the Heisenberg picture.
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| Title: | Vacuum polarization of generalized quantum electrodynamics in the Heisenberg picture. |
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| Authors: | Montenegro, David1 (AUTHOR) dmonte@ift.unesp.br |
| Source: | International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics. 2020, Vol. 35 Issue 4, pN.PAG-N.PAG. 19p. |
| Subjects: | Vacuum polarization, Induced polarization, Pictures, Electrodynamics |
| Abstract: | In this work, we consider the generalized quantum electrodynamics proposed by Podolsky in Heisenberg picture via Källén methodology. We investigate the effects of higher-order derivatives to understand the qualitative and quantitative aspects of vacuum polarization. In addition, the most general structure of induced current and polarization tensor that emerge naturally by a perturbative scheme "à la" Källén is also obtained. Afterward, we discuss the physical implication of charge renormalization in the perspective of unitary and stable Podolsky theory. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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