eV-Angström subgroups MeV-Fermi subgroups Theoretical Condensed Matter Physics (tcmp) High Energy Physics Theory (hep-th) Applied Cond. Mat. Phys. &Nanodevices, Nanomaterials (acmp_nano) High Energy Physics Phenomenology and Experiment (hep-ph, hep-ex) Statistical Mechanics and Complexity (sm & c) Mathematical Physics (math-ph) Quantum Optics and Quantum Information Theory (quantum)