The Role of the Observer in the Everett Interpretation

Volume 11 No 1 (2013)

H. Dieter Zeh

Abstract

The role attributed to the observer in various interpretations of quantum mechanics as well as in classical statistical mechanics is discussed, with particular attention being paid to the Everett interpretation. In this context, the important difference between “quasi-classical” (robust against decoherence) and “macroscopic” or “physically given” (redundantly documented in the environment) is pointed out.

Keywords

quantum measurement, decoherence, information, representative ensembles

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