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...ous media having different dielectric constants.<ref>{{cite journal |last1=Sommerfeld |first1=A. |title=Über die Ausbreitung der Wellen in der drahtlosen Telegra ...below the [[plasma frequency]]. Arising from original analysis by [[Arnold Sommerfeld]] and [[Jonathan Zenneck]] of the problem of wave propagation over a lossy ...

...of:oso/9780199654987.003.0004}}</ref>{{rp|152}} [[Karl Schwarzschild]] and Sommerfeld's student, [[Paul Epstein]], independently showed that adding third quantum ...

...April 2020}} It was theoretically described by physicists such as [[Arnold Sommerfeld]] and [[Léon Brillouin]]. ...

...By replacing the statistics with the correct [[Fermi Dirac statistics]], [[Sommerfeld]] significantly improved the predictions of the model, although still havin ...ommerfeld]] and [[Hans Bethe]], leading to the [[Free electron model|Drude–Sommerfeld model]]. ...

...frequencies more strongly than the lower frequencies ([[Arnold Sommerfeld|Sommerfeld]]'s ground wave). ...

In [[physics]], the '''fine-structure constant''', also known as the '''Sommerfeld constant''', commonly denoted by {{mvar|α}} (the [[Alpha|Greek letter ''alp ...merfeld-1916>{{cite journal |author=Sommerfeld, Arnold |author-link=Arnold Sommerfeld |year=1916 |title=Zur Quantentheorie der Spektrallinien |journal=[[Annalen ...

...due to [[Bernhard Riemann]] by [[Arnold Sommerfeld]], known as the Riemann–Sommerfeld equation,<ref> ...

...by several people, most famous of which are Rayleigh, [[Arnold Sommerfeld|Sommerfeld]] and [[Peter Debye|Debye]].{{sfn|Balanis|1989}} Optical fiber began to re ...

...dea, he developed the theory of [[paramagnetism]] in 1926. Shortly after, Sommerfeld incorporated the [[Fermi–Dirac statistics]] into the [[free electron model] The Sommerfeld model and spin models for ferromagnetism illustrated the successful applica ...

...er Physik|year = 1963|journal = Julius Springer-Verlag|volume = 24|last1 = Sommerfeld|first1 = A.|last2= Beth|first2 = H.}}</ref> In particular, the original Fow ...ribution can be calculated within the framework of a [[free electron model|Sommerfeld free-electron-type model]], look at the ''P-T energy-space diagram'' (P-T=" ...

...ub>G</sub>, by Richardson, [[Saul Dushman]], [[Ralph H. Fowler]], [[Arnold Sommerfeld]] and [[Lothar Wolfgang Nordheim]]. Over 60 years later, there is still no ...

...66/Classical-Electrodynamics-2nd-edition}}</ref><ref>{{cite journal | last=Arnold | first=A. H. M. | title=Classical Electrodynamics [Review] | journal=Natur ...c Press|Academic]], 1952.<ref group=Note>Third volume in the book series ''Sommerfeld Lectures on Theoretical Physics''.</ref><ref>{{Cite journal|last=Peierls|fi ...

...particle description of light as [[photons]]. In 1916, [[Arnold Sommerfeld|Sommerfeld]] explains [[fine structure]]; the splitting of the [[spectral line]]s of [ ...

* 1896 – [[Arnold Sommerfeld]] solves the half-plane [[diffraction]] problem ...