[1] Renesas Technol Corp, Itami, Hyogo 6640005, Japan
[2] Res Org Informat Sci & Technol, Ibaraki 3191106, Japan
[3] Osaka Univ, Ctr Quantum Sci & Technol Under Extreme Condit, Osaka 5608531, Japan
[4] Osaka Univ, Grad Sch Engn Sci, Osaka 5608531, Japan
[5] Osaka Univ, Dept Phys, Osaka 5608531, Japan
[6] Waseda Univ, Grad Sch Informat Prod & Syst, Kitakyushu, Fukuoka 8080135, Japan