BARGMANN, VALENTINE.

Zur Theorie des Wasserstoffatoms: Bemerkungen zur gleichnamigen Arbeit von V. Fock.

Berlin, Springer, 1936. 8vo. In contemporary halv cloth with gilt lettering to spine. In "Zeitschrift für Physik", Bd. 99, 1936. Entire volume offered. Stamp to front free end-paper and titlepage, Extremities with soiling and some leaves with light dampstain, not affecting the Bargmann paper. Pp. 576-582.. [Entire volume: VIII, 803 pp.].

First appearance of Bargmann's paper in which he showed that the Kepler problem is mathematically equivalent to a particle moving freely on the surface of a four-dimensional (hyper-)sphere, so that the whole problem is symmetric under certain rotations of the four-dimensional space.
Bargmann functioned as Albert Einstein assistant for several years.

Order-nr.: 49190