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Nonperturbative effects of vacuum polarization for a quasi-one-dimensional Dirac–Coulomb system with Z > Z cr

  • Physics of Elementary Particles and Atomic Nuclei. Theory
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Abstract

Major nonperturbative properties of the vacuum charge density ρ VP (x) and vacuum-polarization energy ξ VP are considered for an overcritical Coulomb source with Z > Z cr in 1 + 1 D. We demonstrate that, for a broad range of external-field parameters, vacuum energy may significantly deviate from the perturbative quadratic increase and even decrease towards deeply negative values due to vacuum polarization in the overcritical region.

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Authors and Affiliations

  1. Faculty of Physics, Moscow State University, Moscow, 119991, Russia

    Yu. Voronina, A. Davydov & K. Sveshnikov

  2. Institute of Theoretical Problems of the Microworld, Moscow State University, Moscow, 119991, Russia

    Yu. Voronina, A. Davydov & K. Sveshnikov

Authors
  1. Yu. Voronina
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  2. A. Davydov
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  3. K. Sveshnikov
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Corresponding author

Correspondence to A. Davydov.

Additional information

Original Russian Text © Yu. Voronina, A. Davydov, K. Sveshnikov, 2017, published in Pis’ma v Zhurnal Fizika Elementarnykh Chastits i Atomnogo Yadra, 2017.

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Voronina, Y., Davydov, A. & Sveshnikov, K. Nonperturbative effects of vacuum polarization for a quasi-one-dimensional Dirac–Coulomb system with Z > Z cr . Phys. Part. Nuclei Lett. 14, 698–712 (2017). https://doi.org/10.1134/S1547477117050144

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  • DOI: https://doi.org/10.1134/S1547477117050144

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