|
|
Simple schemes for generation of W-type multipartite entangled states and realization of quantum- information concentration |
Zhang Deng-Yu(张登玉)† , Tang Shi-Qing(唐世清)‡, Xie Li-Jun(谢利军), Zhan Xiao-Gui(詹孝贵), Chen Yin-Hua(陈银花), and Gao Feng(高峰) |
Department of Physics and Electronic Information Science, and Research Institute of Photoelectricity, Hengyang Normal University, Hengyang 421008, China |
|
|
Abstract We propose simple schemes for generating W-type multipartite entangled states in cavity quantum electrodynamics (CQED). Our schemes involve a largely detuned interaction of $\Lambda$-type three-level atoms with a single-mode cavity field and a classical laser, and both the symmetric and asymmetric W states can be created in a single step. Our schemes are insensitive to both the cavity decay and atomic spontaneous emission. With the above system, we also propose a scheme for realizing quantum-information concentration which is the reverse process of quantum cloning. In this scheme, quantum-information originally coming from a single qubit, but now distributed into many qubits, is concentrated back to a single qubit in only one step.
|
Received: 01 February 2010
Revised: 17 March 2010
Accepted manuscript online:
|
PACS:
|
03.65.Ud
|
(Entanglement and quantum nonlocality)
|
|
03.67.Lx
|
(Quantum computation architectures and implementations)
|
|
03.67.Mn
|
(Entanglement measures, witnesses, and other characterizations)
|
|
32.50.+d
|
(Fluorescence, phosphorescence (including quenching))
|
|
42.50.Pq
|
(Cavity quantum electrodynamics; micromasers)
|
|
Fund: Project supported by the Key Scientific Research Fund of the Educational Department of Hunan Province of China (Grant No. 09A013) and Science Foundation of Hengyang Normal University of China (Grant No. 09A28). |
Cite this article:
Zhang Deng-Yu(张登玉), Tang Shi-Qing(唐世清), Xie Li-Jun(谢利军), Zhan Xiao-Gui(詹孝贵), Chen Yin-Hua(陈银花), and Gao Feng(高峰) Simple schemes for generation of W-type multipartite entangled states and realization of quantum- information concentration 2010 Chin. Phys. B 19 100313
|
[1] |
Zhang Y D 2005 Principle of Quantum Information Physics (Beijing: Science Press) pp. 50--212
|
[2] |
Pan J W, Bouwmeester D, Daniell M, Weinfurter H and Zeilinger A 2000 Nature (London) 403 515
|
[3] |
Raussendorf R and Briegel H J 2001 Phys. Rev. Lett. 86 5188
|
[4] |
Wang X W, Shan Y G, Xia L X and Lu M W 2007 Phys. Lett. A 364 7
|
[5] |
Dür W, Vidal G and Cirac J I 2000 Phys. Rev. A 62 062314
|
[6] |
Sen A (De), Sen U, Wie'sniak M, Kaszlikowski D and .Zukowski M 2003 Phys. Rev. A 68 062306
|
[7] |
Wang X W and Yang G J 2009 Phys. Rev. A 79 062315
|
[8] |
Deng L, Chen A X, Chen D H and Huang K L 2008 Chin. Phys. B 17 2514
|
[9] |
Yu X M, Gu Y J, Ma L Z and Zhou B A 2008 Chin. Phys. B 17 462
|
[10] |
Zha X W and Zhang C M 2008 Acta Phys. Sin. 57 1339 (in Chinese)
|
[11] |
Raimond J M, Brune M and Haroche S 2001 Rev. Mod. Phys. 73 565
|
[12] |
Guo G P, Li C F, Li J and Guo G C 2002 Phys. Rev. A 65 042102
|
[13] |
Guo G C and Zhang Y S 2002 Phys. Rev. A 65 054302
|
[14] |
Deng Z J, Feng M and Gao K L 2006 Phys. Rev. A 73 014302
|
[15] |
Olaya-Castro A, Johnson N F and Quiroga L 2005 Phys. Rev. Lett. 94 110502
|
[16] |
Zheng S B 2007 J. Phys. B: At. Mol. Opt. Phys. 40 989
|
[17] |
Zheng S B 2006 Phys. Rev. A 74 054303
|
[18] |
Agrawal P and Pati A 2006 Phys. Rev. A 74 062320
|
[19] |
Li L and Qiu D 2007 J. Phys. A: Math. Theor. 40 10871
|
[20] |
Zhang Z J and Cheung C Y 2008 J. Phys. B: At. Mol. Opt. Phys. 41 015503
|
[21] |
Wang X W, Su Y H and Yang G J 2009 Quantum Inf. Process. 8 319
|
[22] |
Wang Y H and Song H S 2008 Opt. Commun. 281 489
|
[23] |
He J, Ye L and Ni Z X 2008 Chin. Phys. B 17 1597
|
[24] |
Zhang D Y, Tang S Q, Xie L J, Zhan X G, You K M and Gao F 2009 Int. J. Theor. Phys. 48 2685
|
[25] |
Tang S Q, Zhang D Y, Xie L J, Zhan X G and Gao F 2009 Commun. Theor. Phys. 51 247
|
[26] |
Tang S Q, Zhang D Y, Xie L J, Zhan X G and Gao F 2009 Chin. Phys. B 18 56
|
[27] |
Shao X Q, Jin X R, Zhu A D, Zhang S and Yeon K H 2008 Chin. Phys. Lett. 25 27
|
[28] |
Zheng S B 2001 Phys. Rev. Lett. 87 230404
|
[29] |
Murao M and Vedral V 2000 Phys. Rev. Lett. 86 352
|
[30] |
Zheng S B and Guo G C 2005 Phys. Rev. A 70 064303
|
[31] |
Maunz P, Puppe T, Schuster I, Syassen N, Pinkse P W H and Rempe G 2004 Nature (London) 428 50
|
[32] |
Osnaghi S and Bertet P 2001 Phys. Rev. Lett. 87 037902
|
[33] |
Wang X W 2009 Opt. Commun. 282 1052
|
[34] |
Wang X W and Yang G J 2008 Opt. Commun. 281 5282 endfootnotesize
|
No Suggested Reading articles found! |
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
Cited |
|
|
|
|
Altmetric
|
blogs
Facebook pages
Wikipedia page
Google+ users
|
Online attention
Altmetric calculates a score based on the online attention an article receives. Each coloured thread in the circle represents a different type of online attention. The number in the centre is the Altmetric score. Social media and mainstream news media are the main sources that calculate the score. Reference managers such as Mendeley are also tracked but do not contribute to the score. Older articles often score higher because they have had more time to get noticed. To account for this, Altmetric has included the context data for other articles of a similar age.
View more on Altmetrics
|
|
|