Geometric measure of mixing of quantum state

We define the geometric measure of mixing of quantum state as a minimal Hilbert-Schmidt distance between the mixed state and a set of pure states. An explicit expression for the geometric measure is obtained. It is interesting that this expression corresponds to the squared Euclidian distance betw...

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Bibliographic Details
Date:2018
Main Authors: Laba, H.P., Tkachuk, V.M.
Format: Article
Language:English
Published: Інститут фізики конденсованих систем НАН України 2018
Series:Condensed Matter Physics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/157111
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Journal Title:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Cite this:Geometric measure of mixing of quantum state / H.P. Laba, V.M. Tkachuk // Condensed Matter Physics. — 2018. — Т. 21, № 3. — С. 33003: 1–4. — Бібліогр.: 7 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine