TY - BOOK AU - Ehberger, Markus TI - Representing the Unobservable: The Formation of the Virtual Particle Concept in the Practice of Theory (1923–1949); 1st ed. 2026 VL - 68 CY - Cham PB - Springer Nature Switzerland M1 - PUBDB-2026-00600 SN - 9783032091888 T2 - Science Networks. Historical Studies SP - 1 Online-Ressource (XXIII, 581 pages) : illustrations PY - 2026 N1 - Open Access; AB - Chapter 1. Introduction - Chapter 2. How to conceive of the concept of virtual particles in a historical study of its development - Chapter 3. The community of practitioners - Part I. From virtual oscillators to virtual transitions (1923–1929) - Chapter 4. The BKS theory and the Light Quantum Hypothesis: virtual entities and transitions to intermediate states, but in different conceptual frameworks (1923–1925) - Chapter 5. Dirac’s verbal model: Making transitions a quantum concept (1927) - Chapter 6. The Raman effect: How virtual transitions became “virtual” (for the first time) and real transitions were excluded from the conception of scattering (1928–1929) - Part II. Theoretical practice with virtual transitions (1928–1942) - Chapter 7. Scattering and the sea: Antiparticles and intermediate states (1928–1931) - Chapter 8. The practice of time-dependent perturbation theory (Part I): Formal and conceptual extensions (1929–1936) - Chapter 9 The practice of time-dependent perturbation theory (Part II): Virtual possibilities, modes of representation, and the reprise of the “Schüttelwirkung” (1934–1942) - Part III. From virtual transitions to virtual particles (1930–1949) - Chapter 10. In between: Traces of the virtual particle during the 1930s - Chapter 11. Outlook: Feynman, diagrams, and virtual particles (1948–1949) - Part IV. Analysis, Summary, and Conclusion - Chapter 12. Representations and Practices in the Formation of the Virtual Particle Concept LB - PUB:(DE-HGF)3 DO - DOI:10.1007/978-3-032-09188-8 UR - https://bib-pubdb1.desy.de/record/645105 ER -