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Consequent entanglement concentration for less-entangled electronic cluster state with CNOT gates |
| Lan Zhou |
| Nanjing University of Posts and Telecommunications |
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Abstract We present a high efficient entanglement concentration protocol (ECP) for four-electron system in a less-entangled cluster state. In this ECP, we only require one pair of less-entangled electron cluster state and one ancillary electron to complete the task. With the help of the controlled-not (CNOT) gate, the concentrated maximally entangled state can be remained for further application with some success probability. On the other hand, the discarded items can be reused to obtain a high success probability. All the features make this ECP useful in current quantum information field.
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Received: 20 August 2013
Revised: 06 October 2013
Published: 31 October 2013
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| Fund: ;the Foundation for Distinguished Young Talents in Higher Education of Guangdong, China |
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Corresponding Authors:
Lan Zhou
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Cite this article:
Lan Zhou Consequent entanglement concentration for less-entangled electronic cluster state with CNOT gates Chin. Phys. B 0
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