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"Quantitative measure of correlation," minipaper, 1955
Description: Before writing a first draft of the long thesis, Hugh Everett wrote three short papers, often refered to as his minipapers, for John Wheeler to review. This minipaper, called "Quantitative measure of correlation," lays some groundwork for the application of information theory as a measure of the degree of quantum correlation or entanglement. From very early in the project, Everett thought that Shannon information theory would provide insight into pure wave mechanics. While statistical measures, such as standard deviation, would have sufficed, Everett developed information-theoretic measures to represent such things as the width of distributions and the degree of correlation between the states of multiple systems. He thought that the standard quantum uncertainty relations were best expressed in an information theoretic way. The present document is the typed version of the minipaper that Wheeler would have seen and commented on.
Rights: This material is provided for private study, scholarship, or research. Transmission or reproduction of any material protected by copyright beyond that allowed by fair use requires the written permission of the copyright owners and Professor Jeffrey A. Barrett. The author(s) of the material or their heirs retain copyright to this material.
Used with the permission of the estate of Hugh Everett, III.
Provenance: This document is a reproduction of a document found in the Hugh Everett archive, American Institute of Physics.
Publisher: University of California, Irvine Libraries. Irvine, California 92623-9557. http://www.lib.uci.edu.