13 September 2002 Can copies of linearly independent quantum states be deleted?
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Abstract
It is shown that each of two copies of the non-orthogonal states randomly selected from a certain set can be probabilistically deleted by a general unitary-reduction operation if and only if the states are linearly independent. A bound on the best possible deleting efficiencies is derived.
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Jian Feng, Jisuo Wang, Yun-Feng Gao, Ming-Sheng Zhan, "Can copies of linearly independent quantum states be deleted?", Proc. SPIE 4917, Quantum Optics in Computing and Communications, (13 September 2002); doi: 10.1117/12.483028; https://doi.org/10.1117/12.483028
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