Classical analogs of the covariance matrix, purity, linear entropy, and von Neumann entropy

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Authors: Bogar Díaz, Diego González, Daniel Gutiérrez-Ruiz, and J. David Vergara

Journal title: Physical Review A

Journal number: 105, 6 June 2022

Journal publisher: American Physical Society

Published year: 2022

Published pages: 62412

DOI identifier: 10.1103/physreva.105.062412

ISSN: 2469-9926