But instead of solving the Bohr-model problem, Hagen applied the “variational principle” – a technique usually reserved for approximating quantum-mechanical systems that cannot be solved analytically ...

Allmendinger, T. (2025) A Planar Atom Model of Helium Based on Well-Defined Electron Trajectories. Journal of Applied ...

Third, the Bohr model prediction of the electron’s angular momentum is wrong. Fortunately, the solution to Schroedinger’s equation for hydrogen, an electron in the static electric field of a proton, ...

This atomic model was the first to use quantum theory, in that the electrons were limited to specific orbits around the nucleus. Bohr used his model to explain the spectral lines of hydrogen.

Nearly a century after Danish physicist Niels Bohr offered his planet-like model of the hydrogen atom, a Rice University-led team of physicists has created giant, millimeter-sized atoms that ...

Letter Published: 24 June 1920 A Possible Cause for the Diamagnetism of Bohr's Paramagnetic Hydrogen Atom J. R. ASHWORTH Nature 105, 516 (1920) Cite this article ...

Helge Kragh, Niels Bohr's Second Atomic Theory, Historical Studies in the Physical Sciences, Vol. 10 (1979), pp. 123-186 ...