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Symmetry breaking in atomic multi-configuration calculations

Esteban, MJ (CNRS & Université Paris-Dauphine)
Wednesday 01 August 2012, 09:45-10:30

Seminar Room 1, Newton Institute


The multiconfiguration Dirac-Fock method allows to calculate the bound states of relativistic electrons in atoms or molecules. For a long time, this method has been known to provide certain "wrong" predictions in the nonrelativistic limit.

By describing in detail the nonlinear model obtained in the nonrelativistic limit for Berilyum-like atoms, we will show the origin of this phenomenon which is actually linked to symmetry breaking in the angular momentum of the configurations.

(These results are contained in a joint work with Mathieu Lewin and Andreas Savin).


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