在大失谐条件下,研究了一位于能量损耗腔中两个二能级原子与单模辐射场相互作用系统中,原子-光场系统线性熵、原子线性熵和光场线性熵的时间演化特性,讨论了两原子的初始状态、腔场衰减常数以及光场的平均光子数对各线性熵的影响.结果表明:当两原子均处于激发态或基态时,各线性熵始终为零;而当两原子初始均处于激发态与基态的相干叠加态时,腔场损耗使得系统演化为混合态,原子线性熵和光场线性熵作振幅逐渐减小的周期振荡.
参考文献
| [1] | Joshi A,Lanwande S V.Effects of dipole interaction on the collapse-revival phenomenon of Rabi oscillations [J].J.Mod.Opt.,1999,38(7):1407-1413. |
| [2] | Li Gaoxiang,Peng Jinsheng.Properties of the field in the nondegenerate two-photon Jaynes-Cummings model inside a high-Q cavity filled with a Kerr-like medium [J].Acta.Phys.Sin.,(物理学报),1993,42(9):1443-1451(in Chinese). |
| [3] | Li Gaoxiang,Peng Jinsheng.Influences of ac Stark shifts on coherent population trapping in the atom-field coupling system via Raman two-photon processes [J].Phys.Rev.A,1995,52(1):465-471. |
| [4] | Nie Yiyou,Zheng Funian,Liu Sanqiu,et al.Atomic squeezing effects in a two-photon process with two-level atomic mixed-state [J].Chin.J.Quantum Electron.(量子电子学报),2002,19(1):38-42(in Chinese). |
| [5] | Phoenix S J D,Knight P L.Periodicity,Phase,and entropy in models of two-photon resonance [J].J.Opt.Soc.Am.B,1990,7(1):116-124. |
| [6] | Fang Maofa,Liu Xiang.Influence of the Stark shift on the evolution of field entropy and entanglement in two-photon processes [J].Phys.Lett.A,1996,210(1):11-20. |
| [7] | Ao Shengmei,Zhou Shilun,Zeng Gaojian.Influence of ac-stark shift on field entropy and entanglement in non-degenerat Raman process [J].Acta.Phys.Sin.(物理学报),2001,50(1):52-57(in Chinese). |
| [8] | Peixoto de Faria J G,Nemes M C.Dissipative dynamics of the Jaynes-Cummings model in the dispersive approximation:Analytical results [J].Phys.Rev.A,1999,59(5):3918-3925. |
| [9] | Huang Chunjia,He Huiyong,Li Jiangfan,et al.Influence of the dipole-dipole interaction between atoms on the entropy properties of field in the Tavis-Cummings model [J].Acta.Phys.Sin.(物理学报),2002,51(5):1049-1053(in Chinese). |
| [10] | Zhang Zhiming,He Linsheng.Atomic and field dynamics in two-atom nondegenerate Raman process [J].Chin.J.Quantum Electron.(量子电子学报),1996,13(3):239-244(in Chinese). |
| [11] | Guo G P,Li C F,Li J,et al.Scheme for the preparation of multiparticle entanglement in cavity QED [J].Phys.Rev.A,2002,65(4):042102-1-042102-4. |
| [12] | Zheng S B,Guo G C.Efficient scheme for two-atom entanglement and quantum information processing in cavity QED [J].Phy.Rev.Leet.,2000,85(11):2392-2395. |
| [13] | Yamaguchi F,Milman P,Brune M,et al.Quantum search with two-atom collisions in cavity QED [J].Phys.Rev.A,2002,66(1):010302-1-010302-4. |
| [14] | Zhang Lihui,Li Gaoxiang,Peng Jinsheng.Entropy evolution in the Jaynes-Cummings model with large detuning inside a phase damping cavity [J].Acta.Opt.Sin.(光学学报),2002,22(8):907-911(in Chinese). |
| [15] | Li Gaoxiang,Peng Jinsheng,Wu Shaoping,et al.Population inversion of a V-type three-level atom due to the effect of cavity-induced quantum interference [J].Chin.Phys.Left.,2001,18(1):48-50. |
| [16] | Walls D F,Milburn G J.Effect of dissipationon quantum coherence [J].Phys.Rev.A,1985,31(4):2403-2408. |
| [17] | reng Jinsheng,Li Gaoxiang.An Introduction for Modern Quantum Optics(近代量子光学导论)[M].Beijing:Science Press,1996.15-24(in Chinese). |
| [18] | Zurek W H,Habib S,Paz J P.Coherent states via decoherence [J].Phys.Rev.Lett.,1993,70(9):1187-1190. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%