- Elementary Particles, Quantum Field Theory 97
- Quantum Field Theories, String Theory 97
- Classical and Quantum Gravitation, Relativity Theory 81
- Quantum Physics 81
- Astronomy, Astrophysics and Cosmology 16
- Measurement Science and Instrumentation 16
- Nuclear Energy 16
- Nuclear Physics, Heavy Ions, Hadrons 16
- Astronomy, Observations and Techniques 1
- Classical and Continuum Physics 1
- Physics, general 1