Physics
Model
100%
Laser
88%
Electrons
79%
Targets
60%
Spectra
59%
Emission
53%
Ion
52%
Stars
49%
Calculation
48%
Simulation
42%
Supernovae
41%
Temperature
40%
Region
40%
Pulses
37%
Speed
36%
Laser Pulse
34%
Collisions
33%
Independent Variables
32%
Protons
32%
Particle
29%
Surveys
29%
Utilization
28%
Value
28%
Atoms
28%
Shapes
26%
Detection
25%
Matrix
25%
Photons
24%
Planets
24%
Dust
24%
Light
24%
Magnetic Fields
24%
Explosion
24%
Ionization
24%
Spin
22%
Stability
22%
Molecules
21%
Ratios
21%
Scattering
21%
Events
21%
Variations
21%
Harmonics
20%
Regimes
20%
Frequencies
19%
Behavior
18%
Gases
17%
Correlation
17%
Cores
17%
Environment
17%
Spectroscopy
16%
Probe
16%
Quantum Dot
16%
X Ray
16%
Solid State
16%
Impact
16%
Amplitudes
16%
Transients
16%
Positron
16%
Hydrogen
15%
Magnitude
15%
Electron Energy
15%
Estimates
14%
Images
14%
Radiation
14%
Extrasolar Planets
14%
Luminosity
14%
Rotation
14%
Oscillation
14%
Distance
14%
Ejecta
14%
Energy Levels
13%
Populations
13%
Differences
12%
Expansion
12%
Electric Fields
12%
Heating
12%
Contrast
12%
Orbitals
12%
Information
12%
Oxygen
12%
Approximation
12%
Comets
12%
Planetary Atmosphere
12%
Responses
11%
High Resolution
11%
Work
11%
Domains
11%
Electron Beams
11%
Helium
11%
Parameter
10%
Media
10%
Metal
10%
Galaxies
10%
Crystals
10%
Spectrographs
10%
Proton Beams
10%
Geometry
10%
Ground State
9%
Water
9%
Solitary Wave
9%
Chemistry
Procedure
52%
Electron Particle
38%
Energy
34%
Time
28%
Ionization
23%
Molecule
21%
Atom
21%
Concentration
17%
R
16%
Density
15%
Reaction Temperature
15%
Collision
14%
Spectra
14%
Rate
13%
Ion
13%
Scattering
13%
Simulation
13%
Surface
12%
Laser Pulse
11%
Resonance
11%
Application
11%
Photon
11%
Potential
11%
Electron Spin
10%
Reaction Mechanism
9%
Polarization
9%
Analytical Method
9%
Configuration
8%
Number
7%
Proton
7%
Chemical Reaction
7%
Wave
7%
Ground State
7%
Strength
7%
Reaction Yield
7%
Hydrogen
7%
Photoionization
7%
Sample
6%
Water Type
6%
Probe
6%
Crystalline Material
6%
Ferroelectricity
6%
Recombination
6%
Gas
6%
Liquid Film
5%
Excited State
5%
Point Group T
5%
Spectroscopy
5%
Solid
5%
Dioxygen
5%
Electron Impact Excitation
5%
Wavelength
5%
Dissociation
5%
Electronic State
5%
Earth and Planetary Sciences
Observation
30%
Model
23%
Datum
20%
Emission
19%
Spectra
16%
Time
16%
Show
16%
Planet
14%
Collision
14%
Speed
13%
Rate
12%
Investigation
11%
Temperature
9%
Calculation
9%
Planetary Atmosphere
9%
Survey
9%
Light Curve
9%
Comet
9%
Optical Instrument
8%
Plasma
8%
Event
8%
Radii
8%
Value
8%
Dust
7%
Core
7%
Supernovae
7%
Comparison
7%
Target
6%
Report
6%
Laser
6%
Electron
6%
Extrasolar Planet
6%
Explosion
6%
Wavelength
6%
Detection
6%
Ratio
6%
State
5%
Excitation
5%
Variation
5%
Shape
5%
Magnetic Field
5%
Abundance
5%
Fine Structure
5%
Host
5%
Pitch (Inclination)
5%
Simulation
5%