The formation of a paper tool: intensity schemes in the old quantum theory

Jaehnert, Martin (2025) The formation of a paper tool: intensity schemes in the old quantum theory. ARCHIVE FOR HISTORY OF EXACT SCIENCES, 79 (1): 7. ISSN 0003-9519, 1432-0657

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Abstract

This paper studies the development of intensity schemes within the framework of the old quantum theory. It investigates how these schemes emerged in a complex process involving empirical observation, data analysis and conceptual reconfiguration and became essential tools for predicting the intensities of multiplets in the absence of a well-formed quantum theory of radiation. By applying the concept of paper tools, the study shows how intensity schemes became theoretical representations allowing both the classification and interpretation of observations and the formulation of theoretical predictions. It thereby highlights the importance of representational tools and empirical regularities within the development of the old quantum theory.

Item Type: Article
Subjects: 000 Computer science, information & general works > 000 Generalities, Science
500 Science > 530 Physics
900 History & geography > 940 General history of Europe
Divisions: Philosophy, Art History, History, and Humanities > Institut für Philosophie > Professur für Wissenschaftsgeschichte (Prof. Dr. Omar W. Nasim)
Depositing User: Dr. Gernot Deinzer
Date Deposited: 21 Apr 2026 05:04
Last Modified: 21 Apr 2026 05:04
URI: https://pred.uni-regensburg.de/id/eprint/66082

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