Once-ionized helium in superstrong magnetic fields

Physics & Astronomy

• magnetars 73%
• helium 73%
• magnetic fields 46%
• ions 43%
• neutron stars 35%
• line spectra 35%
• cyclotrons 34%
• ion motion 24%
• oscillator strengths 19%
• center of mass 17%
• x rays 16%
• fine structure 15%
• degrees of freedom 14%
• spacing 14%
• atmospheres 13%
• energy 10%
• electrons 7%

Earth & Environmental Sciences

• helium 100%
• magnetic field 81%
• ion 58%
• transition 19%
• freedom 15%
• energy 15%
• radio 13%
• spacing 13%
• electron 10%
• atmosphere 9%
• effect 3%