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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations Quantum Foundations

Local Cloning of Entangled Qubits

arXiv

Authors: Sujit K. Choudhary, Samir Kunkri, Ramij Rahaman, Anirban Roy

Year

2007

Paper ID

49947

Status

Preprint

Abstract Read

~2 min

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Abstract

We discuss the exact cloning of orthogonal but entangled qubits under local operations and classical communication. The amount of entanglement necessary in blank copy is obtained for various cases. Surprisingly this amount is more than 1 ebit for certain set of two nonmaximal but equally entangled states of two qubits system. To clone any three two qubits Bell states at least log2 3 ebit is necessary.

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We discuss the exact cloning of orthogonal but entangled qubits under local operations and classical communication.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0706.2459 [2] arXiv https://arxiv.org/abs/0706.2459 [3] Publisher https://arxiv.org/abs/0706.2459

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