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Pré-Publication, Document De Travail Année : 2023

Relativistic electrons coupled with Newtonian nuclear dynamics

Résumé

We consider a model consisting of differential equations coupling the time evolution of a finite number of relativistic electrons with the Newtonian dynamics of finitely many nuclei, where the former is described by the Bogoliubov-Dirac-Fock (BDF) equation of quantum electrodynamics (QED). The Cauchy problem for this model is addressed, proving a global well-posedness result. We believe that this system can be seen as a first step in the study of molecular dynamics phenomena, when both relativistic and quantum effects have to be taken into account.

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hal-04253756 , version 1 (23-10-2023)

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Umberto Morellini. Relativistic electrons coupled with Newtonian nuclear dynamics. 2023. ⟨hal-04253756⟩
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