[1] [1] M. Takamoto, F. Hong, R. Higashi, and H. Katori, Nature 435, 321 (2005).

[2] [2] I. Bloch, Nature 453, 1016 (2008).

[3] [3] M. Greiner, O. Mandel, T. Esslinger, T. H¨ansch, and I. Bloch, Nature 415, 39 (2002).

[4] [4] X. Zhou, X. Xu, L. Yin, W. Liu, and X. Chen, Opt. Express 18, 15664 (2010).

[5] [5] H. Pu, W. Zhang, and P. Meystre, Phys. Rev. Lett. 87, 140405 (2001).

[6] [6] E. Demler and F. Zhou, Phys. Rev. Lett. 88, 163001 (2002).

[7] [7] T. Schulte, S. Drenkelforth, J. Kruse, W. Ertmer, J. Arlt, K. Sacha, J. Zakrzewski, and M. Lewenstein, Phys. Rev. Lett. 95, 170411 (2005).

[8] [8] R. Grimm, M. Weidem¨uller, and Y. Ovchinnikov, Adv. Atom Mol. Opt. Phys. 42, 95 (2000).

[9] [9] D. Xiong, P. Wang, Z. Fu, S. Chai, and J. Zhang, Chin. Opt. Lett. 8, 627 (2010).

[10] [10] R. Drever, J. Hall, F. Kowalski, J. Hough, G. Ford, A. Munley, and H. Ward, Applied Physics B 31, 97 (1983).

[11] [11] F. Yang, X. Zhou, J. Li, Y. Chen, L. Xia, and X. Chen, Phys. Rev. A 78, 043611 (2008).

[12] [12] X. Zhou, F. Yang, X. Yue, T. Vogt, and X. Chen, Phys. Rev. A 81, 013615 (2010).

[13] [13] T. Zhou, X. Chen, Qi, Q. Wang, W. Xiong, J. Duan, X. Zhou, and X. Chen, Chin. Opt. Lett. 8, 496 (2010).

[14] [14] Q. Ma, L. Xia, B. Lu, W. Xiong, Y. Zhang, X. Zhou, and X. Chen, Chin. Opt. Lett. 7, 46 (2009).

[15] [15] R. Sapiro, R. Zhang, and G. Raithel, New J. Phys. 11, 013013 (2009).

[16] [16] H. Chen, D. Xiong, P. Wang, and J. Zhang, Chin. Opt. Lett. 8, 348 (2010).

[17] [17] C. Orzel, A. Tuchman, M. Fenselau, M. Yasuda, and M. Kasevich, Science 291, 2386 (2001).