Atomic entropy squeezing of the Jaynes-Cummings model driven by classical fields in non-Markovian environment

Cai Cheng-Jun; Fang Mao-Fa; Xiao Xing; Huang Jiang

doi:10.7498/aps.61.210303

Abstract

The atomic entropy squeezing of the Jaynes-Cummings model driven by classical fields in non-Markovian environment is investigated according to the non-Markovian quantum theory and the entropy squeezing theory. Our attention is focused on the influences of the non-Markovian effects, the Rabi frequencys of classical fields and the detuning on the atomic entropy squeezing. And we explain the atomic entropy squeezing dynamic by the memory effects of the non-Markovian processes. It is found that the atomic entropy squeezing can be maintained for a long time when both the Rabi frequencys of classical fields and the non-Markovian effect are present simultaneously. And we can obtain the optimal squeezing states by choosing appropriate parameters of the Rabi frequency and the detuning of classical field. Our results provide a potential method of generating high-degree squeezed and longtime atomic squeezing states by controlling the atom-field interaction.

Keywords:

Authors and contacts

1.
Department of Physics, Hunan Normal University, Changsha 410081, China;
2.
College of Physics and Electronics, Gannan Normal University, Ganzhou 341000, China
Funds: Project supported by the National Natural Science Foundation of China (Grant No. 11074072).

References

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[11]	Ban M, Kitajima S, Shibata F 2005 J. Phys. A: Math. Gen. 38 7161
[12]	Xiao X, Fang M F, Li Y L 2010 J. Phys. B: At. Mol. Opt. Phys. 43 185505
[13]	Xiao X, Fang M F, Li Y L 2011 Phys. Scr. 83 015013
[14]	Sorensen J L, Hald J, Polzik E S 1998 Phys. Rev. Lett. 80 3487
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[16]	Ye J, Kimble H J, Katori H 2008 Science 320 1734
[17]	Ban M 2000 J. Opt. B: Quantum Semiclass. Opt. 27 19
[18]	Ban M 2000 J. Opt. B: Quantum Semiclass. Opt. 27 86
[19]	Kuang L M, Zeng A H, Kuang Z H 2003 Phys. Lett. A 319 24
[20]	Wu Y, Yang X X 1997 Phys. Rev. Lett. 78 3086
[21]	Zhou L, Kuang L M 2002 Phys. Lett. A 302 273
[22]	Hillery M 2000 Phys. Rev. A 61 022309
[23]	Ralph T C 2000 Phys. Rev. A 61 010303R
[24]	Nielsen M A, Chuang I L 2000 Quantum Computation and Quantum Information (Cambridge: Cambridge University Press) pp501-607
[25]	Furusawa A, Sorensen J L, Braunstein S L, Fuchs C A, Kimble H J, Polzik E S 1998 Science 282 706
[26]	Dong C H 2001 Acta Phys. Sin. 50 1058 (in Chinese) [董传华 2001 物理学报 50 1058]
[27]	Tian Y H, Peng J S 1999 Acta Phys. Sin. 48 2060 (in Chinese) [田永红, 彭金生 1999 物理学报 48 2060]
[28]	Fang M F, Zhou P, Swain S 2000 J. Mod. Opt. 47 1043
[29]	Wu Y, Yang X X 2007 Phys. Rev. Lett. 98 013601
[30]	Ge G Q, Luo X L, Wu Y, Li Z G 1996 Phys. Rev. A 54 1604
[31]	Breuer H P, Petruccione F 2002 The Theory of Open Quantum Systems (Oxford: Oxford University Press) p472

Cited By

[1]	Breuer H P, Burgarth D, Petruccione F 2004 Phys. Rev. B 70 045323
[2]	Fischer J, Breuer H P 2007 Phys. Rev. A 76 052119
[3]	Breuer H P, Laine E M, Piilo J 2009 Phys. Rev. Lett. 103 210401
[4]	Maniscalco S, Francica F, Zaffino R L, Gullo N L, Plastina F 2008 Phys. Rev. Lett. 100 090503
[5]	Scala M, Militello B, Messina A, Maniscalco S, Piilo J, Suominen K A 2008 Phys. Rev. A 77 043827
[6]	Piilo J, Maniscalco S, Härkönen, Suominen K A 2008 Phys. Rev. Lett. 100 180402
[7]	Bellomo B, Franco R L, Compagno G 2007 Phys. Rev. Lett. 99 160502
[8]	Bellomo B, Franco R L, Compagno G 2008 Phys. Rev. A 77 032342
[9]	Mazzola L, Maniscalco S, Piilo J, Suominen K A, Garraway B M 2009 Phys. Rev. A 79 042302
[10]	Mazzola L, Maniscalco S, Piilo J, Suominen K A, Garraway B M 2006 Phys. Rev. A 80 012104
[11]	Ban M, Kitajima S, Shibata F 2005 J. Phys. A: Math. Gen. 38 7161
[12]	Xiao X, Fang M F, Li Y L 2010 J. Phys. B: At. Mol. Opt. Phys. 43 185505
[13]	Xiao X, Fang M F, Li Y L 2011 Phys. Scr. 83 015013
[14]	Sorensen J L, Hald J, Polzik E S 1998 Phys. Rev. Lett. 80 3487
[15]	Wineland D J, Bollinger J J, Itano W M 1994 Phys. Rev. A 50 67
[16]	Ye J, Kimble H J, Katori H 2008 Science 320 1734
[17]	Ban M 2000 J. Opt. B: Quantum Semiclass. Opt. 27 19
[18]	Ban M 2000 J. Opt. B: Quantum Semiclass. Opt. 27 86
[19]	Kuang L M, Zeng A H, Kuang Z H 2003 Phys. Lett. A 319 24
[20]	Wu Y, Yang X X 1997 Phys. Rev. Lett. 78 3086
[21]	Zhou L, Kuang L M 2002 Phys. Lett. A 302 273
[22]	Hillery M 2000 Phys. Rev. A 61 022309
[23]	Ralph T C 2000 Phys. Rev. A 61 010303R
[24]	Nielsen M A, Chuang I L 2000 Quantum Computation and Quantum Information (Cambridge: Cambridge University Press) pp501-607
[25]	Furusawa A, Sorensen J L, Braunstein S L, Fuchs C A, Kimble H J, Polzik E S 1998 Science 282 706
[26]	Dong C H 2001 Acta Phys. Sin. 50 1058 (in Chinese) [董传华 2001 物理学报 50 1058]
[27]	Tian Y H, Peng J S 1999 Acta Phys. Sin. 48 2060 (in Chinese) [田永红, 彭金生 1999 物理学报 48 2060]
[28]	Fang M F, Zhou P, Swain S 2000 J. Mod. Opt. 47 1043
[29]	Wu Y, Yang X X 2007 Phys. Rev. Lett. 98 013601
[30]	Ge G Q, Luo X L, Wu Y, Li Z G 1996 Phys. Rev. A 54 1604
[31]	Breuer H P, Petruccione F 2002 The Theory of Open Quantum Systems (Oxford: Oxford University Press) p472

Catalog

Vol. 61, Issue 21 - 2012-11-05

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