Hydrogen molecules and chains in a superstrong magnetic field.

Details Hydrogen molecules and chains in a superstrong magnetic field. Hydrogen molecules and chains in a superstrong magnetic field.

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrva..45.4832d&link_type=abstract

Physical Review A, Vol. 45, No. 7, Part B, p. 4832 - 4847

Physics

28

Scientific paper

The authors study the electronic structures of hydrogen polymolecules Hn (n = 2, 3, 4,...) in a superstrong magnetic field (B ⪆ 1012G) typically found on the surface of a neutron star. Simple analytical scaling relations for several limiting cases are derived. The authors numerically calculate the binding energies of Hn molecules for various magnetic-field strengths. For a given magnetic-field strength, the binding energy per atom in the Hn molecule is found to approach a constant value as n increases. They also consider the structure of negative H ions in a high magnetic field. For B ≡ 1012G the dissociation energy of an atom in a hydrogen chain and the ionization potential of H- are smaller than the ionization potential of neutral atomic hydrogen.

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