A physical constant that appears in the formula for the wavelengths of spectral lines of hydrogen. Atomic Physics Hydrogen Atom Physics Rydberg Constant Spectroscopy Rydberg Constant
An exotic state of matter created by exciting atoms to very high energy levels, resulting in unusual properties. Atoms Exotic Matter Physics Quantum Mechanics Rydberg Matter Rydberg Matter
An atom in a highly excited state, with an electron in a very high energy level. Atom Electron Energy Level Physics Quantum Mechanics Rydberg Atom Rydberg Atom