Physics 16 Astrophysics 4 Astrophysics and Astroparticles 4 Condensed Matter Physics 4 Condensed matter 4 Mathematical Methods in Physics 4 Atomic structure 3 Atomic/Molecular Structure and Spectra 3 Dynamics 3 Molecular structure 3 Quantum Physics 3 Quantum field theory 3 Quantum theory 3 Spectrum analysis 3 Statistical Physics, Dynamical Systems and Complexity 3 Statistical physics 3 Astronomy 2 Astronomy, Observations and Techniques 2 Classical and Quantum Gravitation, Relativity Theory 2 Cosmology 2 Functional Analysis 2 Functional analysis 2 Gravitation 2 Mathematical physics 2 Mechanics 2 Observations 2 Physics, general 2 Quantum Field Theories, String Theory 2 String models 2 Algebraic Topology 1