[PS-9-1] Ballistic Transport of Massless Dirac Fermions in Graphene Y. Sata1、S. Masubuchi1、M. Onuki1、T. Yamaguchi1、K. Watanabe2、T. Taniguchi2、T. Machida1,3 (1.Univ. of Tokyo、2.NIMS、3.PRESTO-JST (Japan)) https://doi.org/10.7567/SSDM.2013.PS-9-1