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This and the following chapter will provide for an in-depth discussion of the theoretical practice of QED during the 1930s. In this chapter, I will start out with a discussion of two dissertations (and connected papers) on quantum electrodynamics finished in Göttingen where Dirac had developed his verbal model. Both Maria Göppert-Mayer and Victor Weisskopf extended the realm of processes discussed with Dirac’s verbal model and the set of representations that were used. One of the outcomes was the first extension of perturbation theory to an arbitrary order by Victor Weisskopf (1933), later on at times referred to as “Weisskopf’s formula”. In the second part of this chapter I will turn to the most popular didactic works on quantum electrodynamics during the 1930s. I will discuss the role of the intermediate states and energy non-conserving transitions for these works (and papers related to them) and synthesize a general algorithm for calculations on QED during the 1930s.

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The Practice of Time-Dependent Perturbation Theory (Part I): Formal and Conceptual Extensions (1929–1936)

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  • 发表日期：

    2026年

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  • Markus Ehberger

摘要

This and the following chapter will provide for an in-depth discussion of the theoretical practice of QED during the 1930s. In this chapter, I will start out with a discussion of two dissertations (and connected papers) on quantum electrodynamics finished in Göttingen where Dirac had developed his verbal model. Both Maria Göppert-Mayer and Victor Weisskopf extended the realm of processes discussed with Dirac’s verbal model and the set of representations that were used. One of the outcomes was the first extension of perturbation theory to an arbitrary order by Victor Weisskopf (1933), later on at times referred to as “Weisskopf’s formula”. In the second part of this chapter I will turn to the most popular didactic works on quantum electrodynamics during the 1930s. I will discuss the role of the intermediate states and energy non-conserving transitions for these works (and papers related to them) and synthesize a general algorithm for calculations on QED during the 1930s.