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"SOMMERFELD, ARNOLD. - SPATIAL QUANTIZATION AND FINE STRUCTURE - THE ATOMIC MODEL OF SOMMERFELD.
Reference : 43820
(1918)
Zur Quantentheorie der Spektrallinien. (+) Fortzetzung. (2 Parts).
(Leipzig, Ambrosius Barth, 1918). Without wrappers in ""Annalen der Physik"", Vierte Folge, Bd. 51, No.17 a. 18. The entire issues offered. Pp. 1-124 a. pp. 125-236. Sommerfeld's papers: pp. 1-94 a. pp. 125-167. Punched in inner margins after cords. Clean and fine.
First appearance of Sommerfeld's main contribution to Quantum Theory, incorporating the ""Sommerfeld Model"" of the atom and his creation of a general theory of spectral lines based on quantum concepts.""In the winter Semester 1914/15 his topic was the Bohr model. He extended it considerably and was able to find a number of new results which were published early in 1916 (in the paper offered).The gist of Bohr's theory was the fact that it allowed only certain electron orbits. Sommerfeld tried to find the ""quantum conditions"" by which these orbits could be singled out from the classically allowed ones.""(Siegmund Brandt ""The harvest of a Century"", Episode 27, p. 110 ff.).""This extraordinary extension, enrichment, and precision of Bohr's theory by Sommerfeld contributed decisively to its rapid and widespread acceptance. Only five years after Bohr's first publicatuion Sommerfeld, recognizing that the mathematical development of thsi quantum-theoretical atomic model had reached a conclusion of sorts, undertook a comprehensive exposition of the field. His ""Atombau und Spektrallinien"", of which the first edition appeared late in 1919, immediately became the bible of atomic physics and its successive editions, appearing almost annually in the early 1920's, chronicled the progress of this field up to the eve of quantum mechanics.""(DSB XII, p. 529).The offered papers contains also 2 importent contribution in the same field by Sommerfeld's pupils: Paul S. Epstein ""Zur Quantentheorie"" pp. 168-188 and J. Stark: ""Der Träger der Haupt- un Nebenserien der Alkalien, alkalischen Erden und des Heliums"", pp. 220-236.
Zur Relativitätstheorie. I. Vierdimensionale Vektoralgebra.
Leipzig, Ambrosius Barth, 1910. 8vo. In full black cloth with gilt lettering to spine. In ""Annalen der Physik"", Vierte Folge, Band 32. Entire volume offered. Library labels to front end papers and stamp to title page, otherwise fine and clean. Pp. 749-76. [Entire volume: VIII, 1112 pp. + 15 plates.].
First appearance of Sommerfeld's important response to Minkowski famous 1908 lecture in which he argued famously in Cologne that certain circumstances required scientists to discard the view of physical space as a Euclidean three-space, in favor of a four-dimensional world with a geometry characterized by the invariance of a certain quadratic form. ""Sommerfeld insisted upon the simpli?cation a?orded to calculation by the adoption of a spacetime approach, and left aside Minkowski's philosophical interpretation of spacetime, with one exception. In the introduction to his 1910 reformulation of Minkowski's matrix calculus, Sommerfeld echoed Minkowski's belief that absolute space should vanish from physics, to be replaced by the ""absolute world"" of Minkowski spacetime [10, p. 749]. This exchange of absolutes, Euclidean 3-space for Minkowski spacetime, was clearly designed to calm physicists shocked by Minkowski's high-handed dismissal of Euclidean space as the frame adequate for understanding physical phenomena."" (Walter, Hermann Minkowski and the Scandal of Spacetime)
Vorlesungen über theoretische physik - Band 1 : Mechanik - vierte auflage.
Akademische verlagsgesellschaft geest & portig k.-g.. 1949. In-8. Relié. Bon état, Couv. convenable, Dos satisfaisant, Papier jauni. XII + 276 pages - ouvrage en allemand - nombreuses figures en noir et blanc dans le texte.. . . . Classification Dewey : 430-Langues germaniques. Allemand
Ouvrage en allemand. Classification Dewey : 430-Langues germaniques. Allemand
Electrodynamics Lectures on theoretical physics, Vol. III
Academic press. 1952. In-8. Relié. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 371 pages.. . . . Classification Dewey : 420-Langue anglaise. Anglo-saxon
Etiquette sur coiffe en pied. Tampon bibliothèque. Texte écrit en anglais. Classification Dewey : 420-Langue anglaise. Anglo-saxon
"EINSTEIN, ALBERT (+) MAX BORN (+) MAX PLANCK (+) ARNOLD SOMMERFELD (+) K.von FRISCH.
Reference : 46968
(1927)
Newtons Mechanik und ihr Einfluss auf die Gestaltung der theoretischen Physik [Einstein] (+) Quantenmechanik und Statistik [Born] (+) Die physikalische Realität der Lichtsquanten [Planck] (+) Zur Elektrontheorie der Metalle [Sommerfeld] (+) Versuche ü... - [EINSTEIN ON NEWTON]
Berlin, Julius Springer, 1927. Lex8vo. In ""Die Naturwissenschaften"", 15. jahrgang, 1927. Entire volume offered bound in contemporary half calf with gilt lettering to spine. Minor wear to upper capitals, otherwise a fine and clean copy. [Einstein:] Pp. 273-76" [Born:] Pp. 238-42 [Planck:] Pp. 529-31 [Sommerfeld:] Pp. 825-32 [Frisch:] Pp. 321-326 pp. 963-968. [Entire volume: XXV,(1),1000,16 pp.].
First edition of all papers. The Einstein paper is his contribution to the Anniversary volume of Newton's death. Frisch received the Nobel Prize for his works on animal psychology and behaviour in 1975.Weil No 158. - Planck: Akademie No. 165 - K. v.
