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Entanglement measures and the Hilbert-Schmidt distance | | Masanao Ozawa
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13 Feb 2000 | | Journal: | Phys. Lett. A 268 (2000) 158 | | Subject: | quant-ph | | Affiliation: | Nagoya University | | Abstract: | In order to construct a measure of entanglement on the basis of a ``distance’’ between two states, it is one of desirable properties that the ``distance’’ is nonincreasing under every completely positive trace preserving map. Contrary to a recent claim, this letter shows that the Hilbert-Schmidt distance does not have this property. | | Source: | arXiv, quant-ph/0002036 | | Services: | Forum | Review | PDF | Favorites | |
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