Inverse photoemission spectroscopy
Angle-resolved photoemission spectroscopy
Photon energy
Spectral line
Atomic physics
Momentum (technical analysis)
Binding energy
Photon
Physics
Fermi level
Dispersion (optics)
Energy (signal processing)
Chemistry
State (computer science)
Dispersion relation
Inverse
Condensed matter physics
Optics
Quantum mechanics
Electron
Mathematics
Geometry
Finance
Algorithm
Economics