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27 April 2024
 
  » arxiv » quant-ph/0312045

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Probabilistic cloning and signalling
Sibasish Ghosh ; Guruprasad Kar ; Samir Kunkri ; Anirban Roy ;
Date 4 Dec 2003
Subject quant-ph
AbstractWe give a proof of impossibility of probabilistic exact $1 o 2$ cloning of any three different states of a qubit. The simplicity of the proof is due to the use of a surprising result of remote state preparation [M.-Yong Ye, Y.-Sheng Zhang and G.-Can Guo, quant-ph/0307027 (2003)]. The result is extented to higher dimentional cases for special ensemble of states.
Source arXiv, quant-ph/0312045
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