- Elementary Particles, Quantum Field Theory 61
- Quantum Field Theories, String Theory 61
- Nuclear Physics, Heavy Ions, Hadrons 47
- Nuclear Energy 35
- Astronomy, Astrophysics and Cosmology 33
- Measurement Science and Instrumentation 33
- Quantum Physics 29
- Classical and Quantum Gravitation, Relativity Theory 28
- Nuclear Fusion 9
- Atomic, Molecular, Optical and Plasma Physics 7
- Particle and Nuclear Physics 5
- Particle Acceleration and Detection, Beam Physics 4
- Complex Systems 3
- Condensed Matter Physics 3
- Applied and Technical Physics 2
- Physical Chemistry 2
- Theoretical, Mathematical and Computational Physics 2
- Applications of Nonlinear Dynamics and Chaos Theory 1
- Biomaterials 1
- Biomedical Engineering and Bioengineering 1