Berlin, Springer, 1928. 8vo. Bound in contemporary half cloth with gilt lettering, In ""Zeitschrift für Physik"", Band 51, 1928. Entire issue offered. Two stamps to title page, otherwise fine. Pp. 165-80. [Entire volume: VII, (1) 903 pp].
Reference : 49088
First appearance of Born and Fock's important paper in which they introduced their adiabatic theorem, a concept in quantum mechanics which they stated as follows: "" A physical system remains in its instantaneous eigenstate if a given perturbation is acting on it slowly enough and if there is a gap between the eigenvalue and the rest of the Hamiltonian's spectrum."" (From the present paper). The concept of this theorem deals with the time-dependent Hamiltonian - a subject of Quantum dynamics - where the Hamiltonian changes with time.The present issue also contain Gamow's ""Zur Quantentheorie des Atomkernes"" containing the first direct calculation of the Geiger-Nuttall law.
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