INVESTIGADORES
DE RONDE Christian
artículos
Título:
Against the Tyranny of Pure States in Quantum Theory
Autor/es:
DE RONDE, C.; MASSRI, C.
Revista:
FOUNDATIONS OF SCIENCE
Editorial:
SPRINGER
Referencias:
Año: 2021 vol. 27 p. 27 - 41
ISSN:
1233-1821
Resumen:
We argue that the notion of pure sate within Standard Quantum Mechanics is presently applied within the specialized literature in relation to two mutually inconsistent definitions. While the first (operational purity) provides a basis-dependent definition which makes reference to the certain prediction of measurement outcomes, the latter (trace-invariant purity) provides a purely abstract invariant definition which lacks operational content. In this work we derive a theorem which exposes the serious inconsistencies existent within these two incompatible definitions of purity.
