T. Miyamachi¹⁾, Y. Takahashi¹⁾, S. Nakashima¹⁾, Y. Takagi^2,3), T. Yokoyama^2,3), F. Komori¹⁾
1) Institute for Solid State Physics, The University of Tokyo 2) Institute for Molecular Science 3) The Graduate University for Advanced Studies (SOKENDAI)