Physics & Astronomy
quantum electrodynamics
100%
ions
91%
perturbation theory
65%
electrons
61%
approximation
48%
shift
45%
isotope effect
42%
binding energy
42%
ground state
41%
configuration interaction
41%
energy levels
33%
uranium
30%
energy
28%
helium ions
28%
interactions
28%
ionization potentials
27%
beryllium
25%
heavy ions
24%
operators
23%
screening
20%
thorium
19%
francium
19%
predictions
18%
electron affinity
18%
turbulence
16%
polarization
16%
isoelectronic sequence
15%
scalars
15%
turbulent mixing
14%
fine structure
14%
atoms
13%
argon
13%
restoration
12%
ionization
12%
mass ratios
12%
chemical properties
12%
nuclei
12%
xenon
11%
shear flow
11%
molybdenum
11%
formalism
11%
symmetry
10%
exponents
9%
helium
9%
wave functions
9%
excitation
9%
nuclear deformation
8%
interference
8%
ionic collisions
8%
advection
7%
Chemical Compounds
Quantum Electrodynamics
76%
Relativistic Calculation
40%
Perturbation Theory
34%
Ground State
28%
Lamb Shift
25%
Quasimolecule
24%
Ionization Potential
23%
Ion
23%
Hamiltonian
20%
Monopole
19%
Energy
19%
Superheavy Element
19%
Heavy Ion
16%
Isotope
15%
Vacuum Polarization
13%
Nuclear Mass
11%
Nuclear Size
10%
Binding Energy
10%
Nuclear Polarization
10%
Self-Energy
9%
Many-Body Perturbation Theory
9%
Hyperfine Splitting
7%
Atomic Number
7%
Electron Correlation
7%
Wave Function
6%
Thorium
6%
Electron Particle
6%
Collision
5%
Alkali Metal
5%
Mathematics
Renormalization Group
41%
Passive Scalar
27%
Turbulent Mixing
21%
Scalar Field
21%
Turbulence
17%
Perpendicular
15%
Critical Behavior
15%
Potts Model
15%
Shear Flow
15%
Range of data
14%
Restoration
14%
Order Parameter
14%
Correlation Function
13%
Ensemble
12%
Infrared
10%
Structure-function
10%
Advection
10%
Model
9%
Scaling Behavior
9%
Symmetry
8%
Stochastic Dynamics
7%
Exponent
6%
Velocity Field
6%
Random Field
6%
Multiscaling
5%
Critical Dimension
5%