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General sequential quantum cloning

Gui-Fang Dang and Heng Fan

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Some multipartite quantum states can be generated in a sequential manner which may be implemented by various physical setups such as microwave and optical cavity QED, trapped ions, quantum dots, etc. We analyze the general N to M (NM) qubits' universal quantum cloning machine (UQCM) within a sequential generation scheme. We show that the N to M sequential UQCM is available. The case of d-level quantum states' sequential cloning is also presented.


PACS

03.67.Mn Entanglement measures, witnesses, and other characterizations

03.65.Ud Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.)

03.67.Lx Quantum computation architectures and implementations

42.50.Pq Cavity quantum electrodynamics; micromasers

MSC

81V80 Quantum optics

94A15 Information theory, general (See also 62B10)

81P68 Quantum computation and quantum cryptography (See also 68Q05, 94A60)

Subjects

Computational physics

Optics, quantum optics and lasers

Quantum information and quantum mechanics

Dates

Issue 15 (18 April 2008)

Received 20 November 2007, in final form 27 February 2008

Published 2 April 2008



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