- Elementary Particles, Quantum Field Theory 50
- Quantum Field Theories, String Theory 50
- Classical and Quantum Gravitation, Relativity Theory 45
- Quantum Physics 45
- Characterization and Evaluation of Materials 26
- Classical Mechanics 17
- Solid Mechanics 15
- Polymer Sciences 13
- Nuclear Physics, Heavy Ions, Hadrons 12
- Nuclear Energy 10
- Astrophysics and Astroparticles 9
- Plant Physiology 9
- Astronomy, Astrophysics and Cosmology 8
- Astronomy, Observations and Techniques 8
- Materials Science, general 7
- Condensed Matter Physics 6
- Crystallography and Scattering Methods 6
- Environmental Chemistry 6
- Measurement Science and Instrumentation 6
- Physics, general 6