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Letter from Pauli to Pais
Letter-1026 · Item · 1949/04/19
Part of Archives of Wolfgang Pauli

Pauli talks about the sign of vacuum polarization. He says that the vacuum polarization charged auxiliary particles must be introduced (positive and negative, zero spin).

Pauli, Wolfgang
Letter from Pauli to Pais
Letter-1028 · Item · 1949/05/26
Part of Archives of Wolfgang Pauli

Pauli says that the difference of opinion about the sign of vacuum polarization is resolved. He writes about the work of his doctorands, and about his debate with Born on the properties of a certain operator.

Pauli, Wolfgang
Letter from Pauli to Pais
Letter-1147 · Item · 1950/08/17
Part of Archives of Wolfgang Pauli

Pauli criticises Jung's theory of the closed circle, but in spite of this he thinks that the concept of the Collective Unconscious is correct and plausible. He gives a detailed discussion of this concept and modifications. He makes parallels between micro-physics and psychology of the unconscious which deal with an invisible reality. He writes about Bohr's political activity and the reaction to it.

Pauli, Wolfgang
Letter from Pauli to Pais
Letter-1558 · Item · 1953/04/21
Part of Archives of Wolfgang Pauli

Pauli writes about personal matters concerning colleagues and their work. He writes about his work on commutation laws in non-local field theories, and about the difficulties regarding the convergence for Lorentz-invariant form-factors.

Pauli, Wolfgang