Binding conditions for atomic N-electron systems in non-relativistic QED

Jean-Marie Barbaroux (1, 2) , Thomas Chen (3) , Semjon Vugalter (4)

1 CPT - Centre de Physique Théorique - UMR 6207
2 CPT - Centre de Physique Théorique - UMR 7332
3 CIMS - Courant Institute of Mathematical Sciences [New York]
4 Mathematik, Universitaet Muenchen

We examine the binding conditions for atoms in non-relativistic QED, and prove that removing one electron from an atom requires a positive energy. As an application, we establish the existence of a ground state for the Helium atom.

Mots clés: non-relativistic QED; atomic systems

Domaines: Physique mathématique [math-ph]; Physique Quantique [quant-ph]

Jean-Marie Barbaroux, Thomas Chen, Semjon Vugalter. Binding conditions for atomic N-electron systems in non-relativistic QED. Annales Henri Poincaré, 2003, 4, pp.1101-1136. ⟨10.1007/s00023-003-0157-1⟩. ⟨hal-00008344⟩