M. Imada, Rev. Mod. Phys, vol.70, p.1039, 1998.

A. Georges, G. Kotliar, W. Krauth, and M. Rozenberg, Rev. Mod. Phys, vol.68, p.13, 1996.

. Mc and . Kenzie, Science, vol.278, p.820, 1997.

S. Lefebvre, Phys. Rev. Lett, vol.85, p.5420, 2000.

H. Ito, J. Phys. Soc. Jpn, vol.65, p.2987, 1996.

P. Limelette, Phys. Rev. Lett, vol.91, p.16401, 2003.

P. Limelette, Science, p.89, 2003.