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Pré-Publication, Document De Travail Année : 2020

Vacuum polarization in heavy atoms

Résumé

We formulate the Hartree-Fock method using a functional integral approach. Then we consider a nonperturbative component of the vacuum polarization. For the Dirac-Coulomb operator the renormalization flow of the vacuum polarization is calculated numerically. For the Hartree-Fock operator the polarization is obtained by integrating an appropriately rescaled flow. The text includes an approximate calculation of the vacuum polarization in Uranium.

Dates et versions

hal-03952108 , version 1 (29-01-2020)
hal-03952108 , version 2 (23-01-2023)

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Alexander Efremov. Vacuum polarization in heavy atoms. 2020. ⟨hal-03952108v1⟩
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