title: Seo et al. reply:.
authors: Condensed Matter Theory Laboratory and CEMS Quantum Matter Theory Research Team, RIKEN, Saitama 351-0198, Japan.
authors: H
authors: H
authors: Seo
authors: Nanosystem Research Institute "RICS", AIST, Ibaraki 305-8568, Japan.
authors: S
authors: S
authors: Ishibashi
authors: Department of Physics and Astronomy, UCLA, California 90095, USA.
authors: S E
authors: SE
authors: Brown