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By then bralatar was in the inky water, and too busy to worry about guardians on land: what felt like large hungry eels with teeth like daggers were savaging.
As he wrote in his Fundamental Postulates: Max Born in his papers was calculating what is nowadays called the Born approximation of scattering theory and his proposal to associate a probability with scattering in modern terminology amounted to identifying the cross section as the main observable of collision theory. The calculation is easy, nevertheless this was the rst step into the world of quantum elds. A recent description of the Jordan model and its appearance in the massless limit Schwinger model can be found in [36]. In retrospect it is clear that an autonomous approach to QFT had no chance before the formalism of interacting field quantization was fully developed to the level of conceptual sophistication of renormalized perturbation theory as in the work of Tomonaga, Feynman, Schwinger and Dyson in the end of the 40 s. From C-numbers to Q-numbers:
There was doubt, she whispered, but i loved you. The writing business is not such as to evoke amusing memoirs (yes, i do mean you and you and you and especially you).