Spectrum of neutral helium in strong magnetic fields

Matthew D. Jones, Gerardo Ortiz, David M. Ceperley

Research output: Contribution to journalArticle

Abstract

We present extensive and accurate calculations for the excited-state spectrum of spin-polarized neutral helium in a range of magnetic field strengths up to 1012 G. Of considerable interest to models of magnetic white dwarf stellar atmospheres, we also present results for the dipole strengths of the low-lying transitions among these states. Our methods rely on a systematically saturated basis set approach to solving the Hartree-Fock self-consistent field equations, combined with an "exact" stochastic method to estimate the residual basis set truncation error and electron correlation effects. We also discuss the applicability of the adiabatic approximation to strongly magnetized multielectron atoms.

Original languageEnglish (US)
Pages (from-to)2875-2885
Number of pages11
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume59
Issue number4
DOIs
StatePublished - Jan 1 1999

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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