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Walter Franz (8 April 1911 in Munich – 16 February 1992 in Münster) was a theoretical physicist who independently discovered the Franz–Keldysh effect. Franz was a student of Arnold Sommerfeld at the University of Munich. He was granted his Ph.D. in 1934.〔(Walter Franz ) – Mathematics Genealogy Project. The title of his dissertation was ''Comptoneffekt am gebundenen Elektron''.〕〔(Institut für Theoretische Physik I ) - Friedrich-Alexander-Universität Erlangen-Nürnberg 1934: München, Germany. This reference also cites his birth and death years.〕 In the preface to the book ''Optik'', Sommerfeld cited him for “the most recent and particularly lucid treatment” of the vectorial generalization of Hauygens’ principle.〔Arnold Sommerfeld, translated from the first German edition by Otto Laporte and Peter A. Moldauer ''Optics - Lectures on Theoretical Physics Volume IV'' (Academic Press, 1964), p. vi〕 With Adolf Kratzer, another student of Sommerfeld, Franz co-authored the book ''Transzendente Funktionen''. An academic descendent of Franz, Ludwig Tewordt, is cited as having received his Ph.D. at the Westfälische Wilhelms-Universität Münster, in 1953.〔(Walter Franz ) – Mathematics Genealogy Project.〕 The article in which Franz independently published the Franz-Keldysh effect was published in 1958. ==Selected bibliography== * Adolf Kratzer and Walter Franz ''Transzendente Funktionen'' (Akadem. Verl.-Ges. Geest & Portig, 1960) * W. Franz ''Die Streuung von Strahlung am magnetischen Elektron'', ''Annalen der Physik'' Vol. 425, Issue 8, 689-707 (1938) * Walter Franz, ''Einfluß eines elektrischen Feldes auf eine optische Absorptionskante'', ''Z. Naturforschung'' 13a 484-489 (1958) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Walter Franz」の詳細全文を読む スポンサード リンク
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