Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States Thomas Lord Department of Mechanical Engineering and Materials Science, Duke ...
the Bohr–Sommerfeld model provided a set of rules for selecting certain ‘allowable’ orbits of a classical system (in the case of the hydrogen atom, an electron orbiting a proton), delivering ...
It came when the one electron of the hydrogen atom transitioned ... much like the discrete but increasing circular orbits of the Bohr atom.) Conventional quantum mechanics didn't have such ...