Abstract
The 1965 School became famous, at least among students, due to a fight between Källén and Kenneth Johnson who presented their orthogonal views on the underlying nature of quantum electrodynamics. Johnson et al. [1] had found that “quantum electrodynamics may be regarded as a perfectly consistent theory” and were advocating [2] that the unrenormalized electron Green’s functions are finite; the bare mass of the electron vanishes and the electron mass must be totally dynamical in origin. This irritated Källén enormously as he believed that quantum electrodynamics was not a consistent theory. From the very beginning, he was aware of the fact that his arguments were not mathematically stringent but they were physically so plausible that it was difficult to imagine how they would not be valid. After all, he was an engineer, a master of electromagnetism, and took intuitive physical arguments very seriously – far more so than ϵ’s and δ’s of mathematics.
The summary talk at the 1965 Schladming School was given by James D. Bjorken, who later wrote a letter to Källén, dated 17 March 1965, stating:
“… I enclose the manuscript of my summary talk at Schladming for your blessing. I, of course, don’t expect to get it, but will appreciate very much your criticisms.”
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Jarlskog, C. (2014). The 1965 Schladming School and J. D. Bjorken’s Recollections. In: Jarlskog, C. (eds) Portrait of Gunnar Källén. Springer, Cham. https://doi.org/10.1007/978-3-319-00627-7_56
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DOI: https://doi.org/10.1007/978-3-319-00627-7_56
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