By Gérard Wanders (auth.), Jan Lacki, Henri Ruegg, Gérard Wanders (eds.)
Born in 1905, Ernst C. G. Stueckelberg used to be professor of theoretical physics on the Universities of Geneva and Lausanne within the years 1930-1970. He was once probably the most eminent Swiss physicists of the 20 th century. His breakthroughs, from his causal S-matrix to the renormalization team, have encouraged the advance of up to date theoretical physics.
The publication offers a variety of his most vital clinical papers. they're preceded with a chain of introductory essays, contributed via scientists and historians, experts of Stueckelberg’s achievements and time. those essays take care of the medical context and the problems of a few of the subject matters that Stueckelberg tackled in his clinical profession and function an enlightening supplement to the reprinted papers. the amount additionally includes Stueckelberg’s concise biography and an exhaustive checklist of his guides. It objectives to supply an authoritative resource collecting in one position all of the fabric had to check the medical achievements of 1 of crucial, albeit by some means neglected, scientists of twentieth century.
Read Online or Download E.C.G. Stueckelberg, An Unconventional Figure of Twentieth Century Physics: Selected Scientific Papers with Commentaries PDF
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Example text
He put in his eq. 32): k 2 D k ek D 0 and ek2 D 1, which specializes to Compton scattering; he further chose a gauge for which p ek D p ek 0 D 0; corresponding to transversality in the initial electron rest system. 35) Franz [1938] gave the matrix elements for arbitrary polarizations of the photon and the electron, in the electron rest-system. See also Nishina [1929a,b]. This formula differs from the Klein–Nishina one by the necessary changes when going from the initial 0 0 D0 ! electron rest system to an electron moving with velocity v; namely mc 2 !
112 (1926), pp. 661–77. Dirac, P. A. , The Compton effect in wave mechanics, Proceedings of the Cambridge Philosophical Society, vol. 23, Part V (1927), pp. 500–507. Dirac, P. A. , The physical interpretation of quantum dynamics, Proc. Roy. Soc. A, vol. 113, (1927), pp. 621–641. Dirac, P. A. , The quantum theory of emission and absorption of radiation, Proc. Roy. Soc. A, vol. 114 (1927), pp. 243–265. Dirac, P. A. , The quantum theory of the electron, Proc. Roy. Soc. A, vol. 117 (1928), pp. 610–624.
3) c was supposed large 1: The prefactor C was, according to Landau, of the order of unity. Clarence Zener showed that Landau’s result was in fact correct in a simplified case where an exact treatment was possible (Zener [1932]). 1) which enabled him to set up two timedependent coupled equations. He solved the problem by transforming the two first-order coupled equations into a second-order one, which he eventually solved in terms of parabolic cylinder functions. The asymptotic analysis of these functions enabled him to find the accurate transition probability pSLZ C D exp.