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Letter-2866 · Item · 1958/02/11
Part of Archives of Wolfgang Pauli

Touschek suggests building isotopic spin into a 4-component spinor theory. He discusses invariance of a theory and construction of an approximate "Heisenberg theory".

Touschek, Bruno
Letter-1658 · Item · 1953/10/20
Part of Archives of Wolfgang Pauli

Touschek agrees with the introduction of a new index in Pauli's theory. He writes about the discrete mass spectrum in the field-free case as function of total isotopic spin.

Touschek, Bruno
Letter-1870 · Item · 1954/08/20
Part of Archives of Wolfgang Pauli

Touschek gives "weak" and "strong" postulates on reversibility of field operators for a system of observables as used in his work. He writes about S-matrix elements for irreversible system.

[Touschek, Bruno]