Oliver Rudolph
Published 2001-05-22Version 1
We obtain a mathematically simple characterization of all functionals coinciding with the von Neumann reduced entropy on pure states based on the Khinchin-Faddeev axiomatization of Shannon entropy and give a physical interpretation of the axioms in terms of entanglement.
Comments: 8 pages, LaTeX, to appear in J. Math. Phys
Journal: J. Math. Phys. 42 (2001), 2507-2512.
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