Stapp wrote to request some clarifications on the spinor model (roof operators, degeneracy of the vacuum and isotopic spin dependences).
Stapp, Henry PCopy of a letter sent from Bohr to Gagnebin about an article he wrote.Letter
Bohr, NielsCopy of a letter sent from Bohr to Gagnebin about an article he wrote.Letter
Bohr, NielsAnswer to a letter from H. Kita where he pointed out a mathematical mistake in one of Heisenberg's calculations for a book or an article. See also 1/463 and 1/532.Letter
Heisenberg, WernerW. Heisenberg wrote to H. Kita about some mathematical problems he encountered (wrong sign in an equation and possibility of omission of a term in a conventional derivation of the Bethe-Salpeter equation). See also 1/530.Letter
Heisenberg, WernerCopy of a letter from E. Tornier to H. Bender.Letter
Tornier, ErhardCopy of a letter from E. Tornier to H. Bender.Letter
Tornier, ErhardHeisenberg is happy to see that he and Källén agree on some mathematical points (S-Matrix, Hilbertraum I, Lee-Model).Letter
Heisenberg, WernerDiscussion about calculations made by Källén on quantum electrodynamics.Letter
Thirring, WalterLetter from W. Pauli to Edizioni scientifiche Einaudi. Linked to the publication of "The theory of relativity".
Pauli, Wolfgang