• Thumbnail for Ralph Kronig
    include the Kronig–Penney model, the Coster–Kronig transition and the Kramers–Kronig relations. Ralph Kronig (later Ralph de Laer Kronig) was born on...
    13 KB (1,755 words) - 17:59, 4 April 2024
  • corresponding stable physical system. The relation is named in honor of Ralph Kronig and Hans Kramers. In mathematics, these relations are known by the names...
    23 KB (3,018 words) - 13:18, 9 July 2024
  • \left(n=0,\pm 1,\dots ,\pm {\frac {N}{2}}\right).} The Kronig–Penney model (named after Ralph Kronig and William Penney) is a simple, idealized quantum-mechanical...
    18 KB (3,590 words) - 14:48, 24 July 2023
  • Thumbnail for Coster–Kronig transition
    super Coster–Kronig transition. The Coster–Kronig process is named after the physicists Dirk Coster and Ralph Kronig. Coster, D.; R. De L. Kronig (1935). "New...
    1 KB (110 words) - 18:26, 13 July 2023
  • skier who competed in the 1950s August Karl Krönig (1822–1879), German chemist and physicist Ralph Kronig (1904–1995), German-American physicist noted...
    842 bytes (143 words) - 12:43, 30 June 2023
  • Thumbnail for Paul Ehrenfest
    Fermi, Igor Tamm, Oskar Klein, J. Robert Oppenheimer, Walter Elsasser, Ralph Kronig, Werner Heisenberg, Paul Dirac, and David Dennison. Ehrenfest had ambivalent...
    25 KB (2,741 words) - 21:54, 4 July 2024
  • Thumbnail for X-ray absorption fine structure
    of electron volts past the edges was called the “Kronig structure” after the scientist, Ralph Kronig, who assigned this structure in the high energy range...
    12 KB (1,522 words) - 13:46, 28 August 2023
  • Thumbnail for Delft University of Technology
    iodide process Jan Hendrik de Boer, discoverer of the particle spin Ralph Kronig, discoverer of the Einstein–de Haas effect Wander Johannes de Haas and...
    73 KB (7,300 words) - 00:25, 9 September 2024
  • awarded 1964 Samuel Goudsmit and George Uhlenbeck 1963 Rudolf Peierls 1962 Ralph Kronig 1961 Eugene Wigner 1960 Lev Landau 1959 Oskar Klein 1958 Wolfgang Pauli...
    6 KB (572 words) - 19:25, 22 August 2024
  • Thumbnail for Discovery of the neutron
    14N atom. However problems with the hypothesis soon became apparent. Ralph Kronig pointed out in 1926 that the observed hyperfine structure of atomic spectra...
    76 KB (8,735 words) - 18:26, 31 August 2024
  • relations—like those discovered by Hendrik Kramers and Ralph Kronig in the 1920s (see Kramers–Kronig relations)—allow the formulation of a notion of causality...
    34 KB (4,199 words) - 23:57, 22 May 2024
  • Thumbnail for Hans Kramers
    was nonrelativistic. He is also credited for the Kramers–Kronig relations with Ralph Kronig which are mathematical equations relating real and imaginary...
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  • Herbert Kroemer – Germany (1928–2024) Nobel laureate August Krönig – Germany (1822–1879) Ralph Kronig – Germany, United States (1904–1995) Nikolay Sergeevich...
    61 KB (7,158 words) - 13:08, 13 September 2024
  • was observed but it was not due to orbital angular momentum. In 1925 Ralph Kronig proposed that electrons behave as if they self-rotate, or "spin", about...
    78 KB (9,558 words) - 11:49, 10 August 2024
  • Thumbnail for Wolfgang Pauli
    his new two-valued degree of freedom. The idea of spin originated with Ralph Kronig. A year later, George Uhlenbeck and Samuel Goudsmit identified Pauli's...
    36 KB (3,869 words) - 09:09, 13 September 2024
  • interpretation of Pauli's "degree of freedom" was initially unknown. Ralph Kronig, one of Alfred Landé's assistants, suggested in early 1925 that it was...
    72 KB (10,551 words) - 06:46, 30 July 2024
  • Thumbnail for Isidor Isaac Rabi
    experiment, which convinced him of the validity of quantum mechanics. With Ralph Kronig, Francis Bitter, Mark Zemansky and others, he set out to extend the Schrödinger...
    51 KB (6,134 words) - 17:46, 29 July 2024
  • Kreimer Kurt Kremer Erich Kretschmann Herbert Kroemer August Krönig Bernd J. Kröger Ralph Kronig Eckhard Krotscheck Rudolf Kühnhold Helmuth Kulenkampff August...
    20 KB (1,530 words) - 23:13, 7 July 2024
  • (1904–1990) Walter M. Elsasser (1904–1991) Dmitri Ivanenko (1904–1994) Ralph Kronig (1904–1995) Yulii Khariton (1904–1996) Louis Néel (1904–2000) George...
    72 KB (7,960 words) - 03:45, 7 September 2024
  • Thumbnail for William Penney, Baron Penney
    Groningen in the Netherlands, where he worked with Ralph Kronig. Together, they developed the Kronig–Penney model, which described the motions of electrons...
    39 KB (4,827 words) - 18:32, 20 March 2024
  • proposed by Lars Onsager Ralph Kronig and William Penney solve the infinite periodic array of rectangular potential barriers (Kronig–Penney model). Alan Herries...
    58 KB (6,147 words) - 18:59, 12 September 2024
  • Thumbnail for List of nominees for the Nobel Prize in Physics
    NobelPrize.org. April 2020. Retrieved 11 November 2020. "Nomination Archive – Ralph Kronig de Laer". NobelPrize.org. April 2020. Retrieved 11 November 2020. "Nomination...
    325 KB (11,392 words) - 11:12, 5 August 2024
  • Thumbnail for Hans Dekker
    Netherlands) is a Dutch theoretical physicist in the line of Dirk Polder, Ralph Kronig, and Nico van Kampen. His scientific work inter alia involves laser theory...
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  • Thumbnail for List of honorary doctors of the Norwegian University of Science and Technology
    Lipke Bijdeley Holthuis, Netherlands Knud Winstrup Johansen, Denmark Ralph Kronig, Netherlands Atle Selberg, United States 1960 Alvar Aalto, Finland Anker...
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  • Thumbnail for Alfred Landé
    between an electron's spin and orbital angular momentum. During 1925 Ralph Kronig, who presented the idea of electron spin some months before George Uhlenbeck...
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  • Gordone, 70, American playwright, actor, and director, liver cancer. Ralph Kronig, 91, German physicist. Conrad Lynn, 87, American civil rights lawyer...
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  • Kluyver 1949-1951 Cornelis Biezeno 1951-1959 Oene Bottema 1959-1962 Ralph Kronig 1962-1967 H.J. de Wijs 1967-1970 Cornelis Verhagen 1970 - 1973 Hans van...
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  • Thumbnail for Gerhard Heinrich Dieke
    1924 in Leiden. Left to right: Gerhard Heinrich Dieke, Samuel Abraham Goudsmit, Jan Tinbergen, Paul Ehrenfest, Ralph Kronig, Enrico Fermi...
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  • Thumbnail for List of Dutch discoveries
    analytic in the upper half-plane. The relation is named in honor of Ralph Kronig and Hendrik Anthony Kramers. Formalized intuitionistic logic was originally...
    82 KB (10,146 words) - 15:54, 15 May 2024
  • Rajesh Gopakumar Rajnath Singh Ralph A. Sawyer Ralph Asher Alpher Ralph H. Fowler Ralph Kronig Ralph Lapp Ralph Pudritz Ralph von Frese Ram pressure Rama...
    19 KB (1,994 words) - 15:59, 1 September 2024