One-electron atomic-molecular ions containing Lithium in a strong magnetic field

Details One-electron atomic-molecular ions containing Lithium in a strong magnetic field One-electron atomic-molecular ions containing Lithium in a strong magnetic field

2009-12-07

arxiv.org/abs/0912.1043v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

22 pages, 9 figures, 4 tables

Scientific paper

The one-electron Li-containing Coulomb systems of atomic type $(li, e)$ and molecular type $(li, li, e)$, $(li, \alpha, e)$ and $(li, p, e)$ are studied in the presence of a strong magnetic field $B \leq 10^{7}$ a.u. in the non-relativistic framework. They are considered at the Born-Oppenheimer approximation of zero order (infinitely massive centers) within the parallel configuration (molecular axis parallel to the magnetic field). The variational and Lagrange-mesh methods are employed in complement to each other. It is demonstrated that the molecular systems ${\rm LiH}^{3+}$, ${\rm LiHe}^{4+}$ and ${\rm Li}_{2}^{5+}$ can exist for sufficiently strong magnetic fields $B \gtrsim 10^{4}$ a.u. and that ${\rm Li}_{2}^{5+}$ can even be stable at magnetic fields typical of magnetars.

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