Subject
Physics.
Quantum field theory.
Elementary particles (Physics).
336
Nuclear physics.
100
Quantum physics.
99
Heavy ions.
80
Hadrons.
76
Quantum computers.
58
Spintronics.
56
Astrophysics.
54
Gravitation.
44
String theory.
44
Nuclear fusion.
41
Atoms.
35
Astronomy
33
Observations, Astronomical.
33
Statistical physics.
19
Dynamical systems.
18
Measurement.
18
Optics.
18
Physical measurements.
18
Cosmology.
15
Condensed matter.
14
Electrodynamics.
14
Geophysics.
14
Mathematical physics.
13
Quantum optics.
9
Astronomy.
8
Differential geometry.
8
Particle acceleration.
8
Philosophy and science.
8
Applied mathematics.
7
Engineering mathematics.
7
Optoelectronics.
7
Plasmons (Physics).
7
Lasers.
6
Photonics.
6
Solid state physics.
6
Atomic structure.
5
Mathematics.
5
Molecular structure.
5
Rings (Algebra).
5
Spectra.
5
Thermodynamics.
5
Algebraic geometry.
4
Geometry.
4
Group theory.
4
Manifolds (Mathematics).
4
Acoustics.
3
Algebraic topology.
3
more ...