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Article Dans Une Revue Journal of Mathematical Physics Année : 2006

Effective Hamiltonians for atoms in very strong magnetic fields

Résumé

We propose three effective Hamiltonians which approximate atoms in very strong homogeneous magnetic fields $B$ modelled by the Pauli Hamiltonian, with fixed total angular momentum with respect to magnetic field axis. All three Hamiltonians describe $N$ electrons and a fixed nucleus where the Coulomb interaction has been replaced by $B$-dependent one-dimensional effective (vector valued) potentials but without magnetic field. Two of them are solvable in at least the one electron case. We briefly sketch how these Hamiltonians can be used to analyse the bottom of the spectrum of such atoms.

Dates et versions

hal-00133298 , version 1 (25-02-2007)

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Raymond Brummelhuis, Pierre Duclos. Effective Hamiltonians for atoms in very strong magnetic fields. Journal of Mathematical Physics, 2006, 47. ⟨hal-00133298⟩
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