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  1. Crafting the quantum: Arnold Sommerfeld and the older quantum theory.Suman Seth - 2008 - Studies in History and Philosophy of Science Part A 39 (3):335-348.
    Arnold Sommerfeld was among the most important students of the so-called ‘older’ quantum theory. His many contributions included papers in 1915 and 1916 extending Niels Bohr’s ‘planetary’ model of the atom beyond circular orbits and his incorporation of relativistic corrections in order to explain hydrogenic fine structure. Originally a realist in his use of Bohr’s model, Sommerfeld became increasingly disillusioned with model-building in general in the late nineteen-teens and early nineteen-twenties. This paper explores Sommerfeld’s use of the term Zahlenmysterium as (...)
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  • Mystik and Technik: Arnold Sommerfeld and Early‐Weimar Quantum Theory.Suman Seth - 2008 - Berichte Zur Wissenschaftsgeschichte 31 (4):331-352.
    Mystik und Technik: Arnold Sommerfeld und die frühe Weimarer Quantentheorie. In seinem mittlerweile klassisch zu nennenden Aufsatz von 1971 über Physik und Kultur der Weimarer Zeit führte Paul Forman den Fall des Münchener Professors der Theoretischen Physik, Arnold Sommerfeld, als beredtes Beispiel für die linguistische Anpassung eines anerkannten Physikers an ein antagonistisches kulturelles Milieu an. Nicht gerade für phantastische Höhenflüge bekannt, began Sommerfeld – in der Zeit unmittelbar nach Ende des Ersten Weltkriegs – von Zahlenmysterien und ihrer Rolle in der (...)
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  • On the verge of Umdeutung in Minnesota: Van Vleck and the correspondence principle. Part one.Michel Janssen & Anthony Duncan - 2007 - Archive for History of Exact Sciences 61 (6):553-624.
    In October 1924, The Physical Review, a relatively minor journal at the time, published a remarkable two-part paper by John H. Van Vleck, working in virtual isolation at the University of Minnesota. Using Bohr’s correspondence principle and Einstein’s quantum theory of radiation along with advanced techniques from classical mechanics, Van Vleck showed that quantum formulae for emission, absorption, and dispersion of radiation merge with their classical counterparts in the limit of high quantum numbers. For modern readers Van Vleck’s paper is (...)
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  • The Doublet Riddle and Atomic Physics circa 1924.Paul Forman - 1968 - Isis 59:156-174.
  • Crafting the Quantum: Arnold Sommerfeld and the Practice of Theory, 1890-1926.Suman Seth - 2010 - MIT Press.
    "Seth examines the practical origins of much of the research undertaken by Arnold Sommerfeld at the University of Munich, some of which addressed problems carried over from his years of teaching at an engineering school"--OCLC.
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  • The Kossel-Sommerfeld Theory and the Ring Atom.John Heilbron - 1967 - Isis 58:450-485.
     
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