Example image of eyePlorer eyePlorer map for 'Excited state': Energy level Atom Atomic nucleus Molecule Quantum mechanics Quantum state Stationary state Temperature Phonon Photon Spontaneous emission Stimulated emission Metastability Nuclear isomer Singlet oxygen Hydrogen atom Atomic orbital Electron Quantum number Wave function Bound state Ion Electromagnetic spectrum Emission spectrum Hydrogen spectral series Rydberg atom Rydberg matter Maxwell–Boltzmann statistics Two-dimensional gas Charge transfer complex Chemi-ionization Excimer Fluorescent lamp Giant resonance Kasha's rule Multireference configuration interaction Neutron activation Nuclide Persistent luminescence Population inversion Two-photon absorption Autoionization Electron excitation Electronic state HOMO/LUMO Indirect DNA damage Isotopes of astatine Laser pumping MOLCAS P680