Entanglement and nonclassicality evolution of the atom in a squeezed vacuum

作者: Jing Zhang , Junmin Wang , Tiancai Zhang

DOI: 10.1016/J.OPTCOM.2007.05.007

关键词:

摘要: As an important parameter, von Neumann entropy has been used to characterize the entanglement between atom and light field. We discussed nonclassicality evolution of in a squeezed vacuum—a typical nonclassical field, compare it with that coherent state. It shows atom-field vacuum is much stronger stabler than state, whereas field depends on its initial status. This investigation trying find new insight into relation system fields. The result can be maintained well this implies better control photon mutually.

参考文章(39)
E.T. Jaynes, F.W. Cummings, Comparison of quantum and semiclassical radiation theories with application to the beam maser Proceedings of the IEEE. ,vol. 51, pp. 89- 109 ,(1963) , 10.1109/PROC.1963.1664
E. Boukobza, D. J. Tannor, Entropy exchange and entanglement in the Jaynes-Cummings model Physical Review A. ,vol. 71, pp. 063821- ,(2005) , 10.1103/PHYSREVA.71.063821
R. J. Thompson, G. Rempe, H. J. Kimble, Observation of normal-mode splitting for an atom in an optical cavity. Physical Review Letters. ,vol. 68, pp. 1132- 1135 ,(1992) , 10.1103/PHYSREVLETT.68.1132
W. Lange, H. Walther, Observation of dynamic suppression of spontaneous emission in a strongly driven cavity Physical Review A. ,vol. 48, pp. 4551- 4554 ,(1993) , 10.1103/PHYSREVA.48.4551
Fu-li Li, Peng Peng, Zhang-qi Yin, Preparing entangled states of two atoms through the intensity-dependent interaction with the two-mode squeezed vacuum Journal of Modern Optics. ,vol. 53, pp. 2055- 2066 ,(2006) , 10.1080/09500340600798900
Hua Deng, Daniel Erenso, Reeta Vyas, Surendra Singh, Entanglement, Interference, and Measurement in a Degenerate Parametric Oscillator Physical Review Letters. ,vol. 86, pp. 2770- 2773 ,(2001) , 10.1103/PHYSREVLETT.86.2770
Shigeru Furuichi, Mahmoud Abdel-Aty, Entanglement in a squeezed two-level atom Journal of Physics A. ,vol. 34, pp. 6851- 6857 ,(2001) , 10.1088/0305-4470/34/35/311
J. Gea-Banacloche, D. L. Freimund, P. R. Rice, L. A. Orozco, M. L. Terraciano, Steady State Entanglement in Cavity QED. Optics Express. ,vol. 14, pp. 4514- 4524 ,(2006) , 10.1364/OE.14.004514
Takao Aoki, Nobuyuki Takei, Hidehiro Yonezawa, Kentaro Wakui, Takuji Hiraoka, Akira Furusawa, Peter van Loock, Experimental Creation of a Fully Inseparable Tripartite Continuous-Variable State Physical Review Letters. ,vol. 91, pp. 080404- ,(2003) , 10.1103/PHYSREVLETT.91.080404