Measurement of Quantum Mechanical Operators

15 October 1960

journal article
research article
Published by American Physical Society (APS) in Physical Review B

Vol. 120 (2) , 622-626
https://doi.org/10.1103/physrev.120.622

Abstract

The limitation on the measurement of an operator imposed by the presence of a conservation law is studied. It is shown that an operator which does not commute with a conserved (additive) quantity cannot be measured exactly (in the sense of von Neumann). It is also shown for a simple case that an approximate measurement of such an operator is possible to any desired accuracy.

Keywords

QUANTUM MECHANICAL
MECHANICAL OPERATORS
COMMUTE
NEUMANN
EXACTLY
IMPOSED
VON
MEASUREMENT OF SUCH AN OPERATOR
OPERATORS THE LIMITATION

This publication has 1 reference indexed in Scilit:

Die Messung quantenmechanischer Operatoren
The European Physical Journal A, 1952