Chemical Compounds
Electron Gas
100%
Response Function
66%
Electron Correlation Energy
56%
Energy
51%
Many-Body Perturbation Theory
46%
Quasiparticle
41%
Tight Binding Model
39%
Self-Energy
35%
Random Phase Approximation
29%
Density Functional Theory
29%
X-Ray Spectra
27%
Wave Function
24%
Emission Spectrum
21%
Local-Density Approximation
20%
Pseudopotential
20%
Engel Reaction
18%
Hubbard Model
18%
Bound State
18%
Exchange-Correlation Potential
16%
Adiabatic Potential
16%
X-Ray Emission Spectrum
16%
Cubic Space Group
15%
Perturbation Theory
15%
Lattice Model
15%
X-Ray Emission
14%
Møller-Plesset Perturbation Theory
13%
Electron Particle
13%
X-Ray Photoemission
13%
Memory Effect
13%
Dielectric Function
13%
Photoemission
12%
Asymmetry
11%
Electronic Band Structure
10%
Metal
9%
Valence
9%
Momentum
9%
Electron Spin
8%
Charge Density
8%
Length
8%
Ground State
8%
Plasmon
8%
Free Electron
7%
Strength
7%
Time
7%
Plane Wave
6%
Proton
6%
Molecular Cluster
6%
Sodium Atom
6%
Application
6%
Orbital
6%
Physics & Astronomy
approximation
67%
electron gas
58%
functionals
57%
energy
47%
density functional theory
43%
Green's functions
30%
atoms
29%
emission spectra
25%
x rays
24%
ground state
22%
photoelectric emission
22%
perturbation theory
21%
electrons
21%
gradients
18%
screening
17%
exponents
17%
energy transfer
17%
expansion
16%
coefficients
15%
interactions
14%
pseudopotentials
14%
excitation
13%
metals
13%
molecules
13%
photoabsorption
12%
elementary excitations
11%
cancellation
10%
wurtzite
10%
absorption spectra
10%
particle theory
9%
optical absorption
8%
kinetic energy
8%
perturbation
8%
protons
6%
breakdown
6%
plasmons
6%
zinc
6%
orbitals
6%
eigenvalues
6%
sodium
5%
wave functions
5%
splines
5%
sum rules
5%
crystals
5%
Engineering & Materials Science
Electron gas
92%
Density functional theory
62%
Atoms
49%
X rays
38%
Electrons
34%
Coulomb interactions
33%
Excitation energy
23%
Photoemission
20%
Satellites
20%
Plasmons
18%
Dimers
15%
Electronic structure
15%
Screening
14%
Band structure
14%
Green's function
14%
Splines
13%
Ground state
13%
Protons
12%
Fermi level
12%
Argon
11%
Computational methods
11%
Sodium
10%
Metals
10%
Experiments
8%
Local density approximation
7%
Wave functions
7%
Conservation
6%
Momentum
6%
Gases
6%
Zinc
5%
Integral equations
5%
Polarization
5%