H_3^{++}$ molecular ion in a strong magnetic field: triangular configuration

Details H_3^{++}$ molecular ion in a strong magnetic field: triangular configuration H_3^{++}$ molecular ion in a strong magnetic field: triangular configuration

2002-03-02

arxiv.org/abs/astro-ph/0203020v4

Phys.Rev.A66:023409,2002

Astronomy and Astrophysics

Astrophysics

RevTeX 14 pages, 9 figures, 1 table Physical Review A (accepted)

Scientific paper

10.1103/PhysRevA.66.023409

The existence of the molecular ion $H_3^{++}$ in a magnetic field in a triangular configuration is revised. Variational method with an optimization of the form of the vector potential (gauge fixing) is used. It is shown that in the range of magnetic fields $10^8 < B < 10^{11} G$ the system $(pppe)$, with protons forming an equilateral triangle perpendicular to magnetic line, has a well-pronounced minimum in the total energy. This configuration is unstable towards decays $H{-atom} + p + p$ and $H_2^+ + p$. Triangular configuration of $H_3^{++}$ complements $H_3^{++}$ in the linear configuration which exists for $B \gtrsim 10^{10} G$.

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