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In this paper we consider the case that three identical two-level atoms are trapped in a single-mode cavity which is in a weak coherent state initially, and there is an interaction between two atoms. The tripartite entanglement dynamics among atoms is studied. The influences of atom-atom coupling constant and intensity of the cavity field on the tripartite entanglement among atoms are discussed. The results obtained using the numerical method show that the tripartite entanglement among atoms is strengthened with the increase of intensity of the cavity field; on the other hand, it is weakened with the increase of the coupling constant between atoms.
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Keywords:
- quantum optics /
- weak coherent state /
- cavity quantum electrodynamics /
- tripartite entanglement
[1] Wu C, Fang M F 2010 Chin. Phys. B 19 020309
[2] Wu Q, Zhang Z M 2013 Acta Phys. Sin. 62 174206 (in Chinese) [吴琴, 张智明 2013 62 174206]
[3] L H Y, Yuan W, Hou X W 2013 Acta Phys. Sin. 62 110301 (in Chinese) [吕海艳, 袁伟, 侯喜文 2013 62 110301]
[4] Ji Y H, Liu Y M 2013 Int. J. Theor. Phys. 52 3320
[5] Ma X S, Wang A M, Cao Y 2007 Phys. Rev. A 76 155327
[6] Ji X, Lu T Q, Zhang S 2010 Chin. Phys. B 19 110304
[7] Tan Lei, Zhang Y Q, Zhu Z H 2011 Chin. Phys. B 20 070303
[8] Zhang J S, Xu J B 2009 Opt. Commun. 282 3652
[9] Cardoso W B, Avelar A T, Baseia B, Almeida N G D 2009 J. Phys. B: At. Mol. Opt. Phys. 42 195507
[10] Vidal G, Werner F R 2002 Phys. Rev. A 65 032314
[11] Wootters K W 1998 Phys. Rev. Lett. 80 2245
[12] Zuo Z C, Xia Y J 2003 Acta Phys. Sin. 52 2687 (in Chinese) [左战春, 夏云杰 2003 52 2687]
[13] Tong Z Y, Kuang L M 2000 Chin. Phys. Lett. 17 469
[14] Wong A, Christensen N 2001 Phys. Rev. A 63 044301
[15] Laskowski W, Markiewicz M, Paterek T, Zukowski M 2011 Phys. Rev. A 84 062305
[16] Thapliyal A V 1999 Phys. Rev. A 59 3336
[17] Hwang M R, Park D K, Jung E 2011 Phys. Rev. A 83 012111
[18] Shan C J, Xia Y J 2006 Acta Phys. Sin. 55 1585 (in Chinese) [单伟家, 夏云杰 2006 55 1585]
[19] Chen L, Shao X Q, Zhang S 20091 Chin. Phys. B 18 888
[20] Wang C Z, Li C X, Li J F 2009 Optics Commun. 282 1160
[21] Turchette Q A, Hood C J, Lange W, Mabuchi H, Kimble H J 1995 Phys. Rev. Lett. 75 4710
[22] Hagley E, Maitre X, Nogues G, Wunderlich C, Brune M, Raimond J M, Haroche S 1997 Phys. Rev. Lett. 79 1
[23] Osnaghi S, Bertet P, Auffeves A, Maioli P, Brune M, Raimond J M, Haroche S 2001 Phys. Rev. Lett. 87 037902
[24] Rauschenbeutel A, Nogues G, Osnaghi S, Bertet P, Brune M, Raimond J M, Haroche S 2000 Science 288 2024
[25] Rauschenbeutel A, Nogues G, Osnaghi S, Bertet P, Brune M, Raimond J M, Haroche S 1999 Phys. Rev. Lett. 83 5166
[26] Sabin C, Garcia A G 2008 Eur. Phys. J. D 48 435
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[1] Wu C, Fang M F 2010 Chin. Phys. B 19 020309
[2] Wu Q, Zhang Z M 2013 Acta Phys. Sin. 62 174206 (in Chinese) [吴琴, 张智明 2013 62 174206]
[3] L H Y, Yuan W, Hou X W 2013 Acta Phys. Sin. 62 110301 (in Chinese) [吕海艳, 袁伟, 侯喜文 2013 62 110301]
[4] Ji Y H, Liu Y M 2013 Int. J. Theor. Phys. 52 3320
[5] Ma X S, Wang A M, Cao Y 2007 Phys. Rev. A 76 155327
[6] Ji X, Lu T Q, Zhang S 2010 Chin. Phys. B 19 110304
[7] Tan Lei, Zhang Y Q, Zhu Z H 2011 Chin. Phys. B 20 070303
[8] Zhang J S, Xu J B 2009 Opt. Commun. 282 3652
[9] Cardoso W B, Avelar A T, Baseia B, Almeida N G D 2009 J. Phys. B: At. Mol. Opt. Phys. 42 195507
[10] Vidal G, Werner F R 2002 Phys. Rev. A 65 032314
[11] Wootters K W 1998 Phys. Rev. Lett. 80 2245
[12] Zuo Z C, Xia Y J 2003 Acta Phys. Sin. 52 2687 (in Chinese) [左战春, 夏云杰 2003 52 2687]
[13] Tong Z Y, Kuang L M 2000 Chin. Phys. Lett. 17 469
[14] Wong A, Christensen N 2001 Phys. Rev. A 63 044301
[15] Laskowski W, Markiewicz M, Paterek T, Zukowski M 2011 Phys. Rev. A 84 062305
[16] Thapliyal A V 1999 Phys. Rev. A 59 3336
[17] Hwang M R, Park D K, Jung E 2011 Phys. Rev. A 83 012111
[18] Shan C J, Xia Y J 2006 Acta Phys. Sin. 55 1585 (in Chinese) [单伟家, 夏云杰 2006 55 1585]
[19] Chen L, Shao X Q, Zhang S 20091 Chin. Phys. B 18 888
[20] Wang C Z, Li C X, Li J F 2009 Optics Commun. 282 1160
[21] Turchette Q A, Hood C J, Lange W, Mabuchi H, Kimble H J 1995 Phys. Rev. Lett. 75 4710
[22] Hagley E, Maitre X, Nogues G, Wunderlich C, Brune M, Raimond J M, Haroche S 1997 Phys. Rev. Lett. 79 1
[23] Osnaghi S, Bertet P, Auffeves A, Maioli P, Brune M, Raimond J M, Haroche S 2001 Phys. Rev. Lett. 87 037902
[24] Rauschenbeutel A, Nogues G, Osnaghi S, Bertet P, Brune M, Raimond J M, Haroche S 2000 Science 288 2024
[25] Rauschenbeutel A, Nogues G, Osnaghi S, Bertet P, Brune M, Raimond J M, Haroche S 1999 Phys. Rev. Lett. 83 5166
[26] Sabin C, Garcia A G 2008 Eur. Phys. J. D 48 435
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