- Elementary Particles, Quantum Field Theory 27
- Quantum Field Theories, String Theory 26
- Science, Humanities and Social Sciences, multidisciplinary 25
- Science, multidisciplinary 25
- Classical and Quantum Gravitation, Relativity Theory 18
- Quantum Physics 18
- Particle and Nuclear Physics 14
- Physics, general 14
- Theoretical, Mathematical and Computational Physics 13
- Nuclear Physics, Heavy Ions, Hadrons 12
- Internal Medicine 11
- Cell Biology 10
- Medicine/Public Health, general 10
- Measurement Science and Instrumentation 9
- Astronomy, Astrophysics and Cosmology 8
- Condensed Matter Physics 8
- Nuclear Energy 8
- Biochemistry, general 6
- Metabolic Diseases 6
- Nanotechnology 6