One-electron linear systems in a strong magnetic field

Details One-electron linear systems in a strong magnetic field One-electron linear systems in a strong magnetic field

1999-11-30

arxiv.org/abs/astro-ph/9911535v3

Phys.Rev. A62 (2000) 022510

Astronomy and Astrophysics

Astrophysics

RevTeX, 11pp, 3 figs and 1 table; submitted to Phys.Rev.A. Typos corrected, some stylistic changes made, clarifying sentences

Scientific paper

10.1103/PhysRevA.62.022510

Using a variational method we study a sequence of the one-electron atomic and molecular-type systems H, H_2^+, H_3^(2+) and H_4^(3+) in the presence of a homogeneous magnetic field ranging B = 0 - 4.414x10^{13} G. These systems are taken as a linear configuration aligned with the magnetic lines. For H_3^(2+) the potential energy surface has a minimum for B\sim 10^{11} G which deepens with growth of the magnetic field strength (JETP Lett. 69, 844 (1999)); for B \gtrsim 10^{12} G the minimum of the potential energy surface becomes sufficiently deep to have longitudinal vibrational state. We demonstrate that for the (ppppe) system the potential energy surface at B \gtrsim 4.414x10^{13} G develops a minimum, indicating the possible existence of exotic molecular ion H_4^(3+). We find that for almost all accessible magnetic fields H_2^+ is the most bound one-electron linear system while for magnetic fields B \gtrsim 10^{13} G the molecular ion H_3^(2+) becomes the most bound.

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