Pauli is preparing for his lecture in Mainz. He has read a book by R Otto on "West-eastern mysticism" (1926), and he writes about its contents. He writes a long excursion on the problem of salvation versus science. He believes cognition and scientific cognition tend to come nearer to each other.
Sin títuloPauli talks about his work on the Lee model and about Thirring's progress with the divergence of the Dyson series.
Sin títuloThirring gives the results of his calculations in connection with Lee's model (convergence of a perturbation series).
Sin títuloPauli talks about the excited state of a V-particle. The renormalization procedure seems artificial after the discovery that there exists more than one eigenvalue W$_{o}.
Sin títuloPauli writes about further thoughts on biological questions. He writes about a book by Rensch on evolution, which has impressed him very much. He writes about psycho-physics parallelism, and about a book by Soal and Bateman on modern experiments in telepathy.
Sin títuloPauli has some more considerations about the Lee model. He talks about some mathematical developments and their possible use for more complex systems with renormalization mathematics, especially quantum electrodynamics.
Sin títuloPauli sends a manuscript of his article for the Bohrfestschrift to Lüders. He asks if some equations related to the interaction of charged bosons with protons and neutron spinors can be found already in earlier literature. He talks about commutability and anticommutability of independent fields with half-integer spin.
Sin títuloLüders thanks Pauli for his comments on his work. He makes some remarks about details of Pauli's manuscript.
Sin títuloLüders replies to Pauli's letter and makes objections to his remarks on the "gauge-group".
Sin títuloKällén thanks Pauli for an offprint of a paper by Pauli that is helpful for his calculations on the Lee model. He writes on the question of the unitary of the S-matrix in this model.
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