[3 offprints, including:] An Introduction to Spinors.
1953·[College Park, MD]:
by JEHLE, Herbert (1907-1983).
[College Park, MD]:: Reviews of Modern Physics, 1953., 1953. 3 offprints. Original printed or self-printed wrappers. From the collection of Abraham Pais. Very good. INVENTORY: 1. JEHLE, Herbert; Bade, W. L. An Introduction to Spinors. Offprint from: Reviews of Modern Physics, vol. 25, no. 3, pp. 714-728, July 1953. Signed by Pais. 2. JEHLE, Herbert; Cahn, H. Julius. Anharmonic Resonance. Offprint from: American Journal of Physics, vol. 21, no. 7, pp. 526-531, October 1953. Signed by Pais. Abstract: The oscillations of a pair of classical oscillators which are synchronized because of anharmonic resonance can be calculated by the method of variation of constants. Two types of motion are studied: librational and nonlibrational—referring to oscillatory and progressive behavior, respectively, of the phase difference of the two oscillators. These motions are exemplified by the corresponding motion of a rod pendulum. Conditions for prolonged persistence of librational motion are discussed. This paper is essentially a review of some of E. W. Brown's papers on nonlinear resonance. . JEHLE, Herbert; Parke William C. Relationship of the Foldy-Wouthuysen Transformation to Lorentz Transformations. Offprint from: The Physical Review, vol. 137, no. 3B, B760-B762, February 8, 1965. ABSTRACT: The covariant spinor formalism of Infeld and van der Waerden and of Uhlenbeck and Laporte permits a simple interpretation of the relationship between a Foldy-Wouthuysen transformation for a free particle and an associated pair of Lorentz transformations. / Jehle was a German physicist, known for his work on two-component field equations. Educated at the Institute of Technology in Stuttgart, Jehle was a conscientious objector to the Nazism, and was interned in multiple concentration camps in Vichy France from 1940-41 before fleeing to the U.S., where he joined a group of refugee instructors teaching at Harvard. After the war, Jehle worked for a number of institutions, including the University of Pennsylvania and Caltech, before joining the faculty at George Washington University in 1959.
(Inventory #: S13279)
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