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- Bohr–Sommerfeld theory is named after Danish physicist Niels Bohr and German physicist Arnold Sommerfeld. Sommerfeld argued that if electronic orbits could be elliptical instead of circular, the energy of the electron would be the same, except in the presence of a magnetic field, introducing what is now known as quantum degeneracy.
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t. e. Arnold Johannes Wilhelm Sommerfeld, ForMemRS [1] ( German: [ˈzɔmɐˌfɛlt]; 5 December 1868 – 26 April 1951) was a German theoretical physicist who pioneered developments in atomic and quantum physics, and also educated and mentored many students for the new era of theoretical physics.
- The arbitrary functions in mathematical physics (1891)
- Ferdinand von Lindemann
Apr 22, 2024 · His investigations of atomic spectra led him to suggest that, in the Bohr model of the atom, the electrons move in elliptical orbits as well as circular ones. From this idea he postulated the azimuthal quantum number. He later introduced the magnetic quantum number as well.
- The Editors of Encyclopaedia Britannica
The Bohr–Sommerfeld model (also known as the Sommerfeld model or Bohr–Sommerfeld theory) was an extension of the Bohr model to allow elliptical orbits of electrons around an atomic nucleus. Bohr–Sommerfeld theory is named after Danish physicist Niels Bohr and German physicist Arnold Sommerfeld.
Nov 16, 2023 · Expanding on the works of Paul Drude and Hendrik Lorentz, Sommerfeld introduced the theory of free electrons in metals, advancing our understanding of electrical conductivity in solids. His model, known as Sommerfeld's theory, had a significant impact on solid-state physics and electronics.
Dec 5, 2021 · On December 5, 1868, German theoretical physicist Arnold Sommerfeld was born. Sommerfeld pioneered developments in atomic and quantum physics, and also educated and mentored a large number of students for the new era of theoretical physics. He served as PhD supervisor for more Nobel prize winners in physics than any other supervisor to date.
Sep 1, 2010 · Crafting the Quantum: Arnold Sommerfeld and the Practice of Theory, 1890-1926 , Suman. Seth. MIT Press. , Cambridge, MA. , 2010. $32.00 ( 378 pp.). ISBN 978-0-262-01373-4.
May 29, 2018 · With this orientation, Sommerfeld became an expert in physical differential equations and complex functions (potential theory). He regarded Klein as his role model.
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