Physics & Astronomy
approximation
16%
asteroids
26%
astrophysics
22%
atmospheres
17%
atoms
35%
carbon
19%
characterization
19%
chemistry
15%
collisions
42%
color
14%
comets
31%
cross sections
25%
dust
33%
dusty plasmas
14%
ejecta
22%
electron energy
23%
electron impact
49%
electronics
14%
electrons
60%
electrostatics
16%
energy
46%
energy levels
20%
envelopes
27%
estimates
16%
extrasolar planets
35%
fine structure
14%
flares
23%
foils
25%
galaxies
16%
gases
17%
ground state
14%
harmonic generations
17%
harmonics
21%
heating
14%
helium
18%
high power lasers
17%
hydrogen
21%
interactions
44%
ionization
42%
ions
72%
Jupiter (planet)
30%
laser plasmas
19%
lasers
89%
luminosity
18%
magnetic fields
24%
metals
13%
molecules
32%
orbitals
18%
orbits
15%
oscillations
15%
oxygen
17%
photoionization
18%
photometry
21%
photons
26%
planets
47%
plasmons
14%
probes
16%
propagation
14%
protons
36%
pulses
58%
radial velocity
18%
radii
19%
scattering
24%
signatures
18%
simulation
36%
solar atmosphere
16%
solar flares
19%
solitary waves
17%
spectroscopy
25%
stars
76%
supernovae
100%
telescopes
37%
temperature
19%
thin films
15%
transit
34%
water
14%
wavelengths
20%
x ray lasers
15%
x rays
30%
Earth & Environmental Sciences
accretion
12%
analysis
10%
asteroid
17%
asymmetry
5%
atmosphere
19%
carbon
8%
chemical
5%
chemical composition
5%
code
13%
collision
16%
comet
22%
comparison
10%
corona
9%
cosmic ray
5%
detection
22%
distribution
10%
dust
16%
effect
7%
ejecta
25%
electron
21%
electron density
7%
energetics
5%
energy
21%
erg
10%
explosion
40%
flaring
7%
heating
5%
helium
10%
hydrogen
12%
ion
8%
ionization
9%
iron
5%
Jupiter
28%
loss
6%
luminosity
33%
magnetic field
14%
material
8%
matrix
5%
metal
5%
method
6%
modeling
10%
near infrared
14%
Neptune
11%
observatory
13%
oxygen
8%
parameter
12%
planet
46%
plasma
16%
plateau
6%
prediction
5%
probe
5%
radiation
5%
radiative transfer
7%
radio
5%
rate
14%
science
5%
shell
7%
solar system
13%
spectrometer
5%
spectroscopy
21%
temperature
11%
timescale
7%
transition
25%
wavelength
16%
young
9%
Engineering & Materials Science
Algebra
5%
Atoms
20%
Banach spaces
5%
Beam plasma interactions
6%
Computer simulation
5%
Crystals
11%
Defects
6%
Density functional theory
9%
Detectors
6%
Electric fields
9%
Electrodes
8%
Electron beams
6%
Electrostatics
5%
Experiments
8%
Ferroelectric materials
32%
Ferroelectric thin films
5%
Gases
5%
Gold
7%
Gold nanoparticles
6%
Graphene
11%
Ground state
5%
Harmonic generation
5%
Heterojunctions
6%
High power lasers
7%
Hydrogen
5%
Imaging techniques
7%
Infrared radiation
5%
Ion beams
10%
Ion sources
5%
Ionic liquids
9%
Ionization
8%
Ions
33%
Lasers
41%
Liquids
6%
Magnetic fields
9%
Magnetization
6%
Metal foil
8%
Metals
11%
Microscopic examination
8%
Molecular dynamics
8%
Molecules
18%
Monolayers
7%
Multiferroics
5%
Nanoparticles
5%
Nanorods
5%
Nanostructures
7%
Nanowires
7%
Negative ions
7%
Nucleation
5%
Optical properties
7%
Oxides
5%
Oxygen
5%
Phase transitions
6%
Photonics
5%
Photons
14%
Physics
6%
Plasmas
34%
Plasmonics
11%
Plasmons
7%
Polarization
13%
Positrons
10%
Proton beams
9%
Protons
19%
Qubits
5%
Radiation
6%
Scanning probe microscopy
5%
Scattering
9%
Single crystals
11%
Spectrometers
8%
Spectroscopy
11%
Substrates
11%
Surface plasmons
11%
Temperature
13%
Thin films
20%
Transition metals
5%
Transmission electron microscopy
5%
Ultrashort pulses
7%
X ray lasers
10%
X rays
10%