The investigations of Dirac (1936) on relativistic wave equations for particles with arbitrary spin have recently been followed up by one of us (Fierz, 1939, referred to as (A)) It was there found… Expand

EVERY student of physics will share the satisfaction of the editor of this treatise that a second edition was called for so soon; for he has found it to be an indispensable storehouse of expert… Expand

Unbestimmtheitsprinzip und Komplementaritat 2. Die letzte entscheidende Wendung der Quantentheorie ist erfolgt durch De Broglies Entdeckung der Materiewellen 3, Heisenbergs Auffindung der… Expand

I The Uncertainty Principle and Complementarity.- 1. The Uncertainty Principle and Complementarity.- 2. The Measurement of Position and Momentum.- II Schrodinger Equation and Operator Calculus.- 3.… Expand

In the following paper we conclude for the relativistically invariant wave equation for free particles: From postulate (I), according to which the energy must be positive, the necessity of… Expand

Chronologies of the Lives of C. G. Jung and Wolfgang Pauli vii Lexicon of Terms in Psychology and Physics xvii Jung and Pauli: A Meeting of Rare Minds, by Beverley Zabriskie xxvii Translator's Note… Expand

The formal method of regularization of mathematical expressions of sums of products of different types of $\ensuremath{\delta}$-functions is first applied to the example of vacuum polarization. It is… Expand