- Elementary Particles, Quantum Field Theory 85
- Quantum Field Theories, String Theory 85
- Classical and Quantum Gravitation, Relativity Theory 48
- Quantum Physics 48
- Astronomy, Astrophysics and Cosmology 37
- Measurement Science and Instrumentation 37
- Nuclear Energy 37
- Nuclear Physics, Heavy Ions, Hadrons 37
- Atomic, Molecular, Optical and Plasma Physics 3
- Complex Systems 3
- Condensed Matter Physics 3
- Theoretical, Mathematical and Computational Physics 3
- Applied and Technical Physics 2
- Classical and Continuum Physics 1
- Physics, general 1