Perspective: Kohn-Sham density functional theory descending a staircase

Physics & Astronomy

• stairways 100%
• density functional theory 61%
• functionals 44%
• determinants 16%
• ingredients 16%
• broken symmetry 14%
• flux density 12%
• kinetic energy 12%
• electronic structure 11%
• optimization 10%
• gradients 10%
• physics 10%
• molecules 8%
• excitation 7%
• interactions 6%

Chemical Compounds

• Density Functional Theory 49%
• Kinetic Energy 22%
• Electron Spin 16%
• Excited State 15%
• Electronic State 14%
• Molecule 6%
• Application 6%