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Letter-2017 · Item · 1955/02/16
Part of Archives of Wolfgang Pauli

Pauli writes on the difficulties of field quantization in the light of Lee's and Heisenberg's latest model. A new idea of how "ghosts" could be excluded from the theories the real value of e$^{2}$/(h.c) should give rise to a "Kombnationsverbot" between "ghosts" and "non-ghosts".

Pauli, Wolfgang
Letter-2433 · Item · 1957/01/04
Part of Archives of Wolfgang Pauli

Pauli replies to Heisenberg's letter of 1st January. He is not convinced that dipole-"ghosts" cannot appear in Lee's model and gives some reasons for this.

Pauli, Wolfgang
Letter-2490 · Item · 1957/02/02
Part of Archives of Wolfgang Pauli

Pauli regards Heisenberg's letter of 31 January as showing new progress. He talks about the mathematical difficulties of the Lee model and a general charaterization of the class of models with indefinite metric.

Pauli, Wolfgang
Letter-2600 · Item · 1957/04/12
Part of Archives of Wolfgang Pauli

Pauli writes about the results of his discussion (with Källén) of the motion of V- and N-particles in the Lee model, and is now more optimistic about Heisenberg's interpretation. He has questions which still have to be clarified.

Pauli, Wolfgang