• Thumbnail for Arnold Sommerfeld
    Arnold Johannes Wilhelm Sommerfeld, ForMemRS (German: [ˈzɔmɐˌfɛlt]; 5 December 1868 – 26 April 1951) was a German theoretical physicist who pioneered developments...
    56 KB (6,052 words) - 21:12, 10 May 2024
  • Thumbnail for Bohr–Sommerfeld model
    atomic nucleus. Bohr–Sommerfeld theory is named after Danish physicist Niels Bohr and German physicist Arnold Sommerfeld. Sommerfeld argued that if electronic...
    12 KB (1,605 words) - 05:10, 28 April 2024
  • premised on the Arnold Sommerfeld enhancements to the Bohr model of the atom. The main tool of the old quantum theory was the Bohr–Sommerfeld quantization...
    32 KB (4,800 words) - 04:39, 10 May 2024
  • carriers in a metallic solid. It was developed in 1927, principally by Arnold Sommerfeld, who combined the classical Drude model with quantum mechanical Fermi–Dirac...
    24 KB (3,404 words) - 04:02, 12 May 2024
  • Thumbnail for Fine-structure constant
    with a relative uncertainty of 1.5×10−10. The constant was named by Arnold Sommerfeld, who introduced it in 1916 when extending the Bohr model of the atom...
    63 KB (7,224 words) - 18:54, 19 April 2024
  • normally specified by the designer. The Sommerfeld number is named after Arnold Sommerfeld (1868–1951). The Sommerfeld Number is typically defined by the following...
    4 KB (691 words) - 16:28, 24 January 2023
  • stability are. The equation is named after William McFadden Orr and Arnold Sommerfeld, who derived it at the beginning of the 20th century. The equation...
    17 KB (2,651 words) - 23:28, 19 October 2023
  • the electrons in light atoms:" The shell terminology comes from Arnold Sommerfeld's modification of the 1913 Bohr model. During this period Bohr was...
    28 KB (2,782 words) - 22:45, 4 May 2024
  • A Sommerfeld expansion is an approximation method developed by Arnold Sommerfeld for a certain class of integrals which are common in condensed matter...
    9 KB (1,826 words) - 16:47, 21 December 2022
  • Thumbnail for Lectures on Theoretical Physics
    Physics is a six-volume series of physics textbooks translated from Arnold Sommerfeld's classic German texts Vorlesungen über Theoretische Physik. The series...
    30 KB (2,996 words) - 20:05, 16 January 2024