[1] Einstein A,Podolsky B,Rosen N. Can quantum-mechanical description of physical reality be considered complete [J].Phys. Rev.,1935,47: 777-780.
[6] Zhou X Q,Yu Y F,Zhan M S. Generating mufti-photon entangled state in scalable way [J].Phys. Lett. A,2002,297(5/6): 285-290.
[7] Christian F,Reos M R.,Hartmut H,et al. Control and measurement of three-qubit entangled state [J].Science,2004,304(5676): 1478-1480.
[9] Sackett C A,Kielpinski D. Experimental entanglement of four particles [J].Nature,2000,404(6775): 256-259.
[11] Wodkiewicz K,Wang L W,Eberly J H. Perfect correlations of three-particle entangled states in cavity QED [J].Phys. Rev. A,1993,47: 3280-3284.
[12] Rensen S A,Duan L M,Cirac J C,et al. Many-partical entanglement with Bose-Einstein-Condensates [J].Nature,2001,409: 63-66.